162results about How to "Improve airtightness" patented technology

The invention discloses a spraying device for grassland ecological soil remediation in the technical field of ecological remediation. The spraying device comprises a vehicle body, a storage assembly is installed at the top end of the vehicle body, a lifting cavity is formed in the vehicle body, a lifting assembly is arranged in the lifting cavity, a supporting plate is fixedly connected to the bottom of the lifting assembly, and a plurality of spraying assemblies are linearly arrayed at the bottom of the supporting plate; a pump assembly is arranged in the vehicle body; the spraying assembly and the storage assembly are both communicated with the pump assembly; and each spraying assembly comprises a rotating hole column fixedly connected to the bottom of the supporting plate, a spraying ring is annularly arranged on the surface of each rotating hole column, a plurality of spraying openings communicating with the storage assembly are formed in the bottom of each spraying ring, and a plurality of injection assemblies are arranged in each rotating hole column. Through cooperative assistance of the lifting assembly, the spraying assembly and the injection assembly, when the grassland surface soil is hard, spraying remediation can be conducted on the grassland soil surface, meanwhile, injection of liquid medicine can be completed by going deep into the grassland soil, and the ecological remediation effect of the grassland soil is improved.

The present invention relates to a mine plugging method and structure thereof, which uses roughening and grooving of cave walls, brickwork, temporary water diversion, clay filling, and concrete plugging of wellheads to plug the mine. The present invention sets a clay filling section before the concrete plugging section, and performs interval grooving around the cave wall of the set clay filling section, which can ensure that the filled clay is completely combined with the cave wall to prevent water seepage; to ensure that the clay filling is dense, brickwork is set at both ends of the clay filling section, and the brickwork is tightly attached to the cave wall to prevent seepage. The technical solution of the present invention is safe, reliable, efficient, and fast, and complies with relevant national technical specifications, greatly improving the airtightness and firmness of the plugging of mine water gushing, and eliminating the environmental pollution risk of abandoned mine water gushing.

The invention discloses a low-permeability coal seam gas efficient extraction device and extraction method, and relates to the technical field of gas extraction, the low-permeability coal seam gas efficient extraction device comprises a drilling well and further comprises an adjusting device, a sealing plate is fixedly installed on the inner wall of the drilling well, an extraction pipeline fixedly penetrates through the upper wall and the lower wall of the sealing plate, and extraction equipment is arranged at the top of the extraction pipeline; a moving pipe is slidably mounted on the inner wall of the extraction equipment, the adjusting device comprises an adjusting groove, a U-shaped frame, an adjusting rod, a moving ring, an adjusting hole, a placing groove, a cambered surface block, a cambered surface plate and a linkage plate, the moving pipe moves downwards to drive the moving ring to move downwards, and the moving ring moves downwards to scrape the inner wall of a drilling well so as to damage a microscopic coal seam structure of the inner wall of the drilling well. By scratching the coal seam surfaces with different depths, the microstructure of the coal seam can be destroyed, cracks of the coal seam are increased, and therefore the gas extraction efficiency is improved.

The present invention relates to the field of cable terminals, and in particular to a cold shrink cable terminal, comprising a terminal shell, both ends of which are open, and cables are inserted into the openings, and characterized in that two groups of fixing rods are fixedly installed inside the terminal shell, and two groups of symmetrically arranged sealing components are slidably arranged at the fixing rods, and tubular sealed air bags are connected between the sealed components to preliminarily block the gaps between the cables. In normal temperature weather, the present invention effectively seals the cable connection through the sealed air bags, and after the temperature reduction treatment, the sealed air bags affected by the cold shrinkage drive the sealed components to move, thereby sealing the internal space, and can effectively divert rainwater to avoid affecting the internal cables.

The invention provides a pipe fitting connector locking structure which comprises a fixing sleeve, limiting clamping rings are installed at the two ends of the fixing sleeve correspondingly, locking rails are installed on the two limiting clamping rings correspondingly, positioning grooves are formed in the two limiting clamping rings correspondingly, adjusting plates are installed in the positioning grooves, the locking rails are located on the rear sides of the adjusting plates, and the locking rails are located on the rear sides of the adjusting plates. A locking rail is installed on the rear side of the adjusting plate and located on the outer side of the positioning groove, a locking structure is installed on the rear side of the adjusting plate and located in the locking rail, a plurality of clamping plates are installed in the limiting clamping ring, adjusting pieces are installed on the clamping plates, and a sealing structure is installed in the fixing sleeve. The fixing sleeve has the following beneficial effects that the calibers of the two ends of the fixing sleeve can be conveniently adjusted according to the calibers of the pipe fitting connectors, and the adaptation degree between the fixing sleeve and the pipe fitting connectors is improved.

The utility model discloses a rotary separator which comprises a lower shell and an upper shell, openings are formed in the upper end and the lower end of the lower shell, a star-shaped discharging plate is rotationally connected into the lower shell, a feeding port is formed in the top of the upper shell, an air outlet is formed in the side edge of the upper shell, a feeding channel communicated with the feeding port is formed in the lower shell, and filter screens are arranged on the two sides of the feeding channel. In the waste discharge process, a negative pressure space is formed at the waste inlet, so that waste gas is collected, and the pollution of the waste gas to the environment is reduced.

The utility model discloses a rubella virus IGG antibody detection kit, and relates to the technical field of kits, in particular to a rubella virus IGG antibody detection kit which comprises a kit body, an adjusting sliding groove is formed in the inner bottom wall of the kit body, a supporting sliding rod is arranged in the adjusting sliding groove, the outer surface of the supporting sliding rod is connected with a connecting sliding block in a sliding mode, and the connecting sliding block is arranged in the adjusting sliding groove. And connecting springs are arranged on the outer surfaces of the connecting sliding blocks. According to the rubella virus IGG antibody detection kit, supporting sliding rods, connecting sliding blocks, connecting springs, a fixing frame, clamping plates, first springs and spring dampers are arranged in a matched mode, in the using process, after a reagent penetrates through a protective baffle, the clamping plates are extruded, the first springs are extruded, the distance between the clamping plates is adjusted, the reagent is inserted into the clamping plates, the clamping plates are clamped, the clamping plates are clamped, and the clamping plates are clamped. Meanwhile, the lower end of the kit is propped against the soft rubber protective pad, so that the rubella virus IGG antibody detection kit has the effects of conveniently and quickly fixing the reagent and improving the shock resistance.

Provided is a bicycle rim pressure-sensitive adhesive (PSA) tape having good workability. The bicycle rim PSA tape is a pressure sensitive adhesive sheet used for sealing a spoke hole in a bicycle rim; includes a support substrate, and a PSA layer on one surface of the support substrate; has a peel strength of 2 N / 20 mm or more, as attached onto an aluminum plate as an adherend for 10 seconds and then measured under conditions at a tensile rate of 300 mm / min and a peel angle of 180°, under a temperature condition of 0°C; and has a shear adhesive strength of 200 N / 400 mm2 or more, as measured with employing an aluminum plate as an adherend under a temperature condition of 0°C.

This invention provides a power packaging structure and power module, including a substrate, a power chip, several conductive pillars, a molding compound, and several front-side lead-out terminals. The conductive pillars are sequentially divided into a first structure and a second structure along a direction away from the top surface of the substrate, and the bottom surface of the first structure is fixed to the electrode lead-out area on the top surface of the substrate. Since the cross-sectional area of ​​the first structure is smaller than that of the second structure of the conductive pillars, and several conductive pillars are fixed to the top surface of the substrate, the space requirement for the conductive pillars on the substrate is greatly reduced by decreasing the contact area between a single conductive pillar and the top surface of the substrate, thereby reducing the size of the substrate and consequently lowering the packaging cost.

A shell used for installing a socket module, a USB charging module and a power line is formed through cooperation of a seat body and a cover body, the bottom of the seat body is open, and a clamping strip extending towards the direction of the cover body is arranged on the bottom wall of the seat body. A clamping groove allowing the clamping strip to be inserted is formed in the position, corresponding to the clamping strip, of the top wall of the cover body, a plurality of pressing blocks are formed on the side, close to the interior of the shell, of the clamping groove at intervals, after the shell is formed after the cover body and the base body are locked, the clamping strip is inserted into the clamping groove, and the side, close to the interior of the shell, of the clamping strip abuts against the pressing blocks. According to the utility model, the connecting structure at the matching part of the cover body and the seat body is optimized, the overall leakproofness of the shell is improved to a certain extent through the insertion matching of the clamping strip and the clamping groove and the abutting matching of the pressing block and the clamping strip, and the situations of electric leakage, water inflow and the like are avoided.

The application discloses a kind of salt-containing wastewater concentration devices, belong to salt-containing wastewater treatment technical field, including support and being located on the concentration tank of support, multiple filter plates are arranged in the concentration tank along the direction of axis, the filter plate is coaxially arranged with concentration tank, the middle part in the concentration tank is equipped with partition plate, the partition plate divides the cavity in the concentration tank into two semicircular cavities symmetrically, and the two semicircular cavities are processing cavity and filter cavity respectively, switching through-hole is equidistantly arranged on the partition plate, the filter plate is rotatably arranged in switching through-hole, switching drive is arranged on the concentration tank to drive the rotation of filter plate, a plurality of clamping type cleaning mechanisms are arranged in the processing cavity, and cleaning liquid supply mechanism is arranged on the support.The salt-containing wastewater concentration device provided by the application can clean the filter plate without stopping work, ensuring continuous filtration.

This utility model belongs to the field of bathroom hardware, specifically a quick-release, multi-specification compatible bathroom water pipe connector. It includes a bathroom connecting water pipe, an assembly pipe, and a connector body. The connector body has an assembly groove, an adapter head is inserted into the assembly groove, and the adapter head is equipped with a limiting plate. The adapter head and the limiting plate have internal thread grooves with connecting holes. The adapter head is equipped with a sealing ring, the limiting plate has an insertion block with a locking hole, and the connector body has a stabilizing mechanism. The stabilizing mechanism includes a fixing block, which is assembled with the connector body. The fixing block is equipped with a guide rod, the guide rod has a limiting block and a movable block, and the movable block has a locking rod. This quick-release, multi-specification compatible bathroom water pipe connector solves the problem of thread wear and poor sealing caused by changing connecting tools in existing bathroom water pipe connectors through the cooperation of the sealing ring and locking rod.

This application relates to the field of air conditioning control technology, and discloses a wired controller for an air conditioner. The wired controller includes a middle frame, a computer board, a rear shell, and a rear shell cover. The first side of the middle frame has an installation space. The computer board is disposed in the installation space. The rear shell covers the installation space and protrudes rearward to form a receiving space. The rear shell cover covers the receiving space to isolate the installation space and the receiving space. The rear shell cover includes a covering portion and a plug-in portion. The covering portion covers the receiving space. The plug-in portion extends from the edge of the covering portion into the receiving space and contacts the inner wall of the receiving space. The plug-in portion has a locking hole. The inner wall of the receiving space has a hook that engages with the locking hole. The inner wall of the receiving space also has a through unlocking hole, through which the plug-in portion is exposed. This application also discloses an air conditioner.

The utility model discloses an electromagnet which comprises a support body and a cover plate fixedly arranged on one side of the support body. An execution assembly is arranged in the support body, the bottom and the top of the support body are both provided with anti-seismic colloid, the bottom is further provided with a PIN terminal, the PIN terminal is electrically connected with the execution assembly, and the connecting position of the PIN terminal and the execution assembly is wrapped by an insulation connecting bridge. The execution assembly comprises a winding supporting piece, a limiting shaft sleeve, an iron core, a permanent magnet and a coil. The two ends of the limiting shaft sleeve are provided with limiting holes, and sliding limiting of the iron core is achieved through a guide block and a positioning base. The anti-seismic performance, the integration level and the installation convenience of the electromagnet can be improved, meanwhile, the leakproofness and the insulativity of the welding part are ensured, and the electromagnet is suitable for an automobile ABS system.

The utility model provides a water hose connecting device for a fire-fighting robot, and relates to the technical field of water hose connection, the water hose connecting device comprises a main pipeline and a butt joint pipe, a threaded ring is fixed on the outer surface of the main pipeline, a threaded sleeve is arranged on the outer surface of the butt joint pipe, and the threaded sleeve is in threaded connection with the outer surface of the threaded ring. One side of the main pipeline extends into the butt joint pipe, mounting grooves are formed in the outer surface of the main pipeline and the inner wall of the butt joint pipe, and a plurality of anti-skid lines are formed in the outer surface of the threaded sleeve at equal intervals in the circumferential direction. When the main pipeline is in butt joint with the butt joint pipe, one end of the main pipeline is inserted into the butt joint pipe, meanwhile, the threaded sleeve is connected to the threaded ring in a threaded mode, the threaded sleeve is rotated to drive the butt joint pipe to extend into the main pipeline, the sealing ring is clamped into the sealing groove, and therefore the butt joint position of the main pipeline and the butt joint pipe is sealed; and leakage is prevented.

The present invention relates to the technical field of building curtain walls, and in particular to a heat-insulating and sound-insulating building curtain wall. The heat-insulating and sound-insulating building curtain wall comprises a frame assembly, a plurality of curtain wall assemblies and a plurality of connecting support rod assemblies. The installation process of the present invention is simple and quick, which reduces the installation time and labor costs. The installation steps are clear, the installation and maintenance efficiency is improved, and the installation and maintenance costs are reduced. In addition, a multi-point contact connection is provided to ensure the firmness and stability of the curtain wall assembly after installation, and to avoid accidental falling off. At the same time, the water-proof, sound-insulating and heat-insulating properties of the curtain wall are improved, the thermal management capability and structural stability of the curtain wall are enhanced, the service life of the curtain wall is extended, and the overall quality and aesthetics of the building are improved.

The utility model relates to the field of oil pipe sealing sleeves, in particular to a leakage-proof sealing sleeve for an oil pipe joint, and adopts the technical scheme that the leakage-proof sealing sleeve for the oil pipe joint comprises an oil pipe main body, a sealing sleeve main body, a threaded cap, a rubber sleeve and a metal limiting ring. The rubber sleeve and the rubber ring piece can perform primary inner sealing treatment on the oil pipe main body installed in the connector, and the metal mutual ring and the metal barb are matched to position the oil pipe main body installed in the connector and prevent the oil pipe main body from accidentally falling off from the interior of the connector. A first rubber ring and a third rubber ring can be used for filling and sealing two gaps at the joint of the first threaded cylinder and the oil pipe main body, so that external sealing treatment on the oil pipe main body is realized, and the sealing performance of the oil pipe main body during mounting and use is greatly improved; the problems that an existing oil pipe connector sealing sleeve is poor in leakproofness in the using process, and an oil pipe is prone to falling off are solved.

This invention discloses a wind-solar hybrid power generation device that is easy to switch between, relating to the field of wind-solar hybrid power generation technology. It includes a base, with a sleeve rotatably connected to the upper end of the base. A shell is provided on the outer surface of the base, and the bottom of the base is connected to the shell via a support rod. A photovoltaic panel is fixed to the upper surface of the shell. A fan blade is rotatably connected inside the sleeve, and an angle adjustment component is provided inside the sleeve. A locking component is provided at the lower end of the angle adjustment component, and an adjustment rotation component is provided at the upper end of the shell. This invention uses the angle adjustment component to change the fan blade angle when encountering different wind resistances, the locking component to lock the fan blade when the wind resistance exceeds a threshold to avoid damage, and the adjustment rotation component to achieve sealed protection for the photovoltaic panel.

The embodiment of the utility model provides a battery pack protection plate, a battery pack assembly and electric equipment. The battery pack protection plate comprises a protection plate body and a sealing piece, the guard plate body is a titanium alloy guard plate; the sealing piece is connected to one side, close to the battery pack, of the protection plate body so as to seal the part between the protection plate body and the battery pack. The structural strength and the corrosion resistance of the protection plate body are improved by adopting the titanium alloy protection plate, so that the protection plate body has the excellent performance of resisting strong acid and strong alkali, and the risk that the protection plate body is corroded by external gas and liquid is reduced. The connection position of the protection plate body and the battery pack is sealed through the sealing ring piece, so that the sealing ring can realize effective water prevention on the battery pack protection plate, and external gas or liquid is prevented from easily permeating into the battery pack from the connection position of the protection plate body and the battery pack; the risk that liquid is easily retained on one side, close to the battery pack, of the battery pack protection plate is reduced, and the sealing performance and the corrosion resistance of the battery pack protection plate are improved.

The utility model relates to textile processing technical field, and disclose a kind of drying device for textile processing, including box, the side fixed mounting of roller is used for the door of closed, the middle part fixed mounting of roller is used for the support of supporting cloth, the top of box is fixedly connected for the control panel of control, the top fixed mounting of control panel is used for the exhaust pipe of exhaust, the side fixed mounting of box is used for the warm air blower of generating hot air.The drying device for textile processing, by the cooperation setting of door and support, can be fixed support to cloth using support, door can guarantee device in closed environment, can more efficiently dry, by the cooperation setting of control panel, exhaust pipe and warm air pipe, the operation of device can be controlled using control panel, exhaust pipe can release excess gas in device, and then warm air blower can blow hot air into device to speed up the rate of drying.

The utility model discloses a drainage device for foundation engineering construction, which belongs to the technical field of constructional engineering and comprises a water pump, a storage tank is arranged on one side of the upper end of the water pump, a water outlet is arranged at the upper end of the water pump, a water inlet is arranged at the lower end of the other side of the water pump, and a water inlet pipe is fixedly connected to the outer surface of the water inlet. A lower flange is arranged on the outer surface of the lower end of the water inlet pipe and fixedly connected to an upper flange on the outer surface of the upper end of the connecting pipe, and the lower end of the connecting pipe is fixedly connected with a connecting disc and a water inlet. The height of the connecting pipe can be freely adjusted according to the depth of a foundation, and due to the design of the filter ring, the protective cover and the connecting plate, some large gravels, cloth strips, plastic bags and the like can be better prevented from entering the water pump to influence the work of the water pump, and then the practicability of the device is improved.

The utility model discloses a brick forming mould convenient to transfer and demould, which belongs to the technical field of moulds and comprises a bottom car and a mould frame, steel rail wheels are mounted below the bottom car, the mould frame is arranged at the upper end of the bottom car and consists of two first shaping plates and two second shaping plates, and the mould frame is of a rectangular structure. The first shaping plates and the second shaping plates are connected with the bottom vehicle through hinges, a partition plate is arranged between the two first shaping plates, and the partition plate divides the mold frame into two cavities. After materials are solidified, the whole device can be conveniently controlled to move and be transferred to a demolding and cutting area through steel rail wheels of the bottom vehicle, the production and machining efficiency of the device is improved, meanwhile, the first shaping plate and the second shaping plate are connected with the bottom vehicle in a hinge mode, and thus the device can be more conveniently disassembled during demolding.

The utility model belongs to the technical field of material distribution equipment, and aims to provide a stepless regulation three-way material distribution valve which comprises a valve body, the valve body is of an inverted Y-shaped structure, a feeding flange is arranged at the top of the valve body, and a left discharging flange and a right discharging flange are arranged at the bottom of the valve body; the feeding flange is provided with a feeding port, the left discharging flange and the right discharging flange are provided with a left discharging port and a right discharging port respectively, and the left discharging flange and the right discharging flange are further connected with a left sealing valve and a right sealing valve respectively. A stepless adjusting turning plate is arranged on the front face of the valve body and connected with an adjusting screw rod, and an adjusting hand wheel is arranged at the top of the adjusting screw rod. A wear-resistant ceramic lining is further arranged in the valve body. The material distributor has the characteristics of compact structure, flexibility and convenience in material distribution, good sealing performance, good wear resistance and the like, and can be widely applied to the technical field of material distribution in metallurgy, mine, electric power, cement industry and the like.

The condensate water discharging assembly comprises a water pump, a sealing assembly, a thermoelectric power generation mechanism and a cooling water recycling mechanism, the bottom of the water pump is connected with a pipeline, flange plates are fixed to the two ends of the pipeline, and the interior of the flange plate on one side is connected with a condensate water discharging pipe through the sealing assembly; the other end of the pipeline is fixedly connected with the thermoelectric power generation mechanism, the flange plate on the other side is connected with a water pipe through a sealing assembly, and one end of the water pipe is communicated with the cooling water recycling mechanism. The drainage flow and the drainage direction can be adjusted according to needs, the sealing performance of connection between the water pump pipeline and the condensate water drainage pipe is improved, heat energy generated by mixing discharged condensate water and steam can be recycled, the condensate water with good water quality can be recycled, and resources are saved.

The utility model discloses an anti-blocking threaded ball valve which comprises a first ball valve shell, a second ball valve shell is arranged below the first ball valve shell, the end of the first ball valve shell and the end of the second ball valve shell are sleeved with fixing pipes, the upper end of the first ball valve shell is connected with a rotating shaft, a valve rod is installed at the upper end of the rotating shaft, and the lower end of the rotating shaft is connected with a valve element. A through hole is formed in the lower end of the valve element, and a liquid discharging pipe is installed at the lower end of the second ball valve shell. According to the anti-blocking threaded ball valve, the first ball valve shell and the second ball valve shell can be tightly attached and limited through the fixing pipe, the fixing pipe and the ball valve shells are locked, assembling of the threaded ball valve is achieved, then the threaded ball valve can be conveniently disassembled, and the interior of the threaded ball valve can be conveniently cleaned and maintained; by means of the sealing strip, the leakproofness of the threaded ball valve can be improved when the valve element is closed, leakage of the threaded ball valve is avoided, and residual water in the valve element can be discharged along the through hole and the liquid discharging pipe by detaching the threaded cap from the liquid discharging pipe.

The utility model relates to the technical field of heat insulation wall, especially a heat insulation wall coated with radiation refrigeration coating, which comprises a wall base layer, a fixed frame arranged on the outer side of the wall base layer, an adhesive layer arranged on the inner side of the fixed frame, a phase change layer arranged on the outer side of the adhesive layer, a heat insulation layer arranged on the outer side of the phase change layer, a radiation refrigeration coating layer arranged on the outer side of the heat insulation layer, and a protective layer arranged on the outer side of the radiation refrigeration coating layer. The fixed frame is fixed on the wall base layer through the adhesive layer, the fixed frame is used to conveniently disassemble, replace and maintain the heat insulation wall surface, the radiation refrigeration coating layer effectively reflects solar radiation, reduces the temperature of the wall, the protective layer is used to protect the radiation refrigeration coating layer, the heat insulation layer increases the thickness of the wall, the phase change layer buffers the temperature change of the wall, and the stress generated by thermal expansion and cold contraction of the wall can be reduced, thereby enhancing the heat insulation effect of the wall. Moreover, the heat insulation wall can be locally disassembled and assembled, and the damaged and aged wall surface can be repaired and replaced at any time.

The utility model discloses a simple sewage disposal diverter valve for a collection pool in a production area, which comprises a body component, a valve body, a flow guide pipe and a flow guide pipe, and is characterized in that the body component comprises a valve body and an inlet pipe; the reinforcing part comprises a valve rod body, a valve handle, a valve rod nut, a fixing nut, a rubber sealing plate and a valve bottom plate; the middle of the top end of the valve body is rotationally connected with a valve handle, the valve handle is externally connected with a valve rod, the middle of the upper end of the valve rod is connected with a valve rod nut, the valve handle drives the valve rod and the valve rod nut to rotate, and the middle of the lower end of the valve rod is connected with a fixing nut. The problems that an inlet of a collection pool in an existing production area is usually controlled by an insertion plate to control in and out of waste liquid in the area, the sealing performance is poor, sewage disposal and diversion are not thorough, the liquid level in the collection pool is increased, the overflow phenomenon occurs, and meanwhile the waste water generation amount and the waste water treatment cost are increased are solved.

This invention provides a knife gate valve, comprising a valve body, a screw, a rotary wheel, and a lifting rod. The valve body has a horizontally penetrating passage cavity for media to pass through. A gate plate for sealing the passage cavity is slidably connected to the valve body in a vertical direction. A receiving groove for accommodating the side edge of the gate plate is provided on the inner peripheral wall of the passage cavity, and an upward-opening embedding groove is provided on the bottom wall of the receiving groove. The screw is connected to the top of the gate plate and extends upward to the top of the valve body. The rotary wheel is rotatably connected to the top of the valve body, and the screw coaxially passes through the rotary wheel and is threadedly engaged with it. The rotary wheel can drive the screw to rise and fall to block or avoid the passage cavity by the gate plate. The lifting rod passes through the screw and the gate plate along the axial direction of the screw and is slidably connected to the screw and the gate plate. A support plate for embedding in the embedding groove to support impurities is connected to the lower end of the lifting rod. The knife gate valve provided by this invention can promptly clean impurities in the receiving groove, improving the sealing performance of the knife gate valve.

This invention relates to a high-frequency filter, comprising a base plate, a detachable winding frame disposed above the base plate, and a protective cover disposed outside the winding frame. A coil body is disposed on the winding frame. Positioning grooves and slots are symmetrically arranged on both sides of the upper surface of the base plate and on the inner wall of the protective cover, respectively. Positioning blocks are symmetrically arranged on both sides of the winding frame. The bottom and outer side of each positioning block are respectively inserted into the corresponding positioning groove and slot. Locking arc blocks are symmetrically arranged on both sides of the upper surface of the base plate. A locking arc groove corresponding to the locking arc block is provided on the bottom surface of the protective cover. A mating pushing component is provided between the positioning blocks and the positioning grooves to lock and fix the base plate, winding frame, and protective cover. Compared with the prior art, this invention has the advantages of combining and sharing the mounting and disassembly components among the base plate, protective cover, and winding frame, achieving integrated and rapid mounting and disassembly.

The invention relates to the technical field of fire fighting and extinguishing, and particularly discloses an automobile fire fighting and extinguishing cover which comprises a fire extinguishing cover main body and further comprises a plurality of fan-shaped covers which are rotationally stored on the two sides of the interior of the fire extinguishing cover main body; the rotating blocks are connected to the two sides of the fire extinguishing cover body through first rotating shafts, and telescopic sleeves are fixedly connected to the rotating blocks; according to the fire extinguishing cover disclosed by the invention, the fire extinguishing cover main body and the fan-shaped cover are matched, so that an automobile at a fire position can be positioned in the fire extinguishing cover main body, and the fire position is isolated and extinguished, so that fire objects are isolated from the surrounding environment, fire behavior and smoke diffusion are controlled, and correspondingly, when the automobile is spontaneously ignited and ignited, fire extinguishing is realized. Compared with the prior art, the automobile fire-proof device has the advantages that a fire-catching automobile can be quickly subjected to isolated combustion, the situation of fire spreading and the phenomenon of catching fire to the surrounding environment are avoided, continuous fire proceeding is avoided, and then the loss phenomenon caused by the fire is reduced.