55results about How to "Optimize the installation method" patented technology

This utility model discloses a black key for an electric piano and an electric piano, relating to the technical field of electric pianos. It is used to mount on a keyboard base and includes a key body and an outer cover. The key body includes a mounting base for connecting to the keyboard base, with a protrusion at the upper end of the mounting base. The outer cover is made of a translucent material and has an open bottom. The outer cover is fitted onto the protrusion. Through the cooperation of the outer cover and the key body, a jelly-like visual effect is produced, unlike existing technologies where the effect is directly derived from the keys themselves. This not only creates a more realistic visual effect but also eliminates the need to disassemble the entire electric piano when these keys with special visual effects show signs of aging such as yellowing after prolonged use, making maintenance convenient.

The utility model discloses a kind of sodium ion battery processing electrolyte filling mechanism, including workbench and liquid storage tank, the upper surface of the liquid storage tank is fixedly installed on workbench, the upper surface of the liquid storage tank is connected with liquid inlet pipe, the upper surface of the workbench is fixedly installed with liquid pump, the water inlet of the liquid pump is fixedly installed with liquid suction pipe, the bottom end of the liquid suction pipe is connected with the bottom of liquid storage tank, the water outlet of the liquid pump is fixedly installed with liquid pipe.The utility model, by being set up the cooperation of workbench, liquid storage tank, liquid pump, liquid suction pipe, liquid pipe, valve, extension pipe, liquid storage grid, liquid outlet pipe and liquid outlet head component, the function of replacing liquid outlet head quickly and conveniently is realized, the installation mode of the liquid outlet head in existing device is improved, so that when liquid outlet head is blocked or damaged, liquid outlet head can be quickly replaced, the processing efficiency of sodium ion battery is improved.

The utility model relates to the field of light source structures, and discloses a linear light source device and a visual inspection device, which comprise a linear light source body and a dimming assembly pivoted with the linear light source body, the dimming assembly comprises a first side plate and a second side plate which are arranged in a spaced mode, the side face, close to the second side plate, of the first side plate is a first total reflection face, and the side face, close to the first side plate, of the second side plate is a second total reflection face. The linear light source body is provided with a strip-shaped light outlet, the strip-shaped light outlet is located between the first total reflection face and the second total reflection face, and the rotation angle of the dimming assembly is adjustable. According to the linear light source device, the light emitting direction can be changed without integrally rotating the linear light source body, and the linear light source device can be installed at a narrower position.

The utility model discloses an integrated electric energy meter module plug connector convenient to install, and belongs to the technical field of plug connectors, the integrated electric energy meter module plug connector convenient to install comprises a fixing plate and a plug board, fixing strips are symmetrically and fixedly installed on the sides of the fixing plate, sliding grooves are longitudinally formed in the side walls of the fixing strips, two sliding blocks are fixedly installed on the side wall of the plug board, and the two sliding blocks are fixedly installed on the side wall of the plug board. The sliding blocks are clamped into the sliding grooves in a sliding mode. A mounting hole is formed in the inner wall of the fixing strip, a spring is fixedly mounted on the inner wall of the mounting hole, a pull rod is slidably inserted into the mounting hole, the inner wall of the tail end of the spring is fixedly connected to the outer wall of the pull rod, a clamping plate is fixedly mounted at the tail end of the pull rod, and the clamping plate slidably extends into the sliding groove; a clamping groove is formed in the side wall of the sliding block, and the clamping plate is matched with the clamping groove. Compared with the prior art, the device can conveniently and rapidly install the integrated electric energy meter module, and meanwhile, the installation stability of the integrated electric energy meter module is further improved.

The utility model discloses an assembly type steel structure building ALC inner wallboard installation device which comprises a steel pipe supporting frame, a winch and a pulley. A winch is installed at the upper end of the inner side of the steel pipe supporting frame, a fixed pulley is arranged at the top of the supporting frame, a rubber pad is connected to the bottom of the outer side of the supporting frame to prevent collision in the hoisting process, a steel plate is welded to the first-layer transverse rod, configuration is arranged on the steel plate, and meanwhile four universal wheels with brakes are arranged at the four corners of the bottom of the steel pipe supporting frame. Compared with an existing common wallboard installation device, the assembly type building ALC inner wallboard installation device has the advantages of being convenient and rapid in material obtaining, safe, efficient, high in stability, capable of being operated by a single person and the like, meanwhile, the device can be moved conveniently through the universal wheels with brakes, and safety of the device and personnel is kept in the using process.

This utility model relates to a connector with a split snap-fit ​​structure, which employs a snap-fit ​​structure fixed on one side of the connector body; a stop structure fixed on the connector body on one side of the snap-fit ​​structure; and a cable tie through-hole structure on the other side of the connector body. The snap-fit ​​structure snaps into and fixes the entire connector; then a cable tie is inserted for secure binding. The connector snap-fit ​​improves the fixing method of the bracket base and cable tie, preventing the adapter from being loosely fixed after assembly and eliminating safety hazards such as falling off after installation. The connector snap-fit ​​product is designed with a slot structure and a slot positioning structure: after the slot structure is installed in place, it is fixed to the bracket base by the positioning structure, forming an inverted snap structure, thereby increasing the pull-out force of the connector snap-fit ​​and meeting the assembly strength requirements. The connector snap-fit ​​product design changes the traditional fixing method of the bracket base and cable tie.

The utility model provides a kind of branch sectioning machine, including frame, the top of frame is equipped with machine cover, the knife shaft is rotatably connected in the machine cover, the front end of the knife shaft is equipped with assembly disc, the periphery of the assembly disc is detachably equipped with three blades, the front side of the machine cover is equipped with inlet, the bottom of the inlet is fixed with gasket matched with blade, the bottom of the machine cover is butt-jointed with discharge channel. The sectioning machine only needs to send branch manually to complete automatic sectioning process, branch sectioning is uniform, efficient, and saves labor cost.

The utility model relates to liquid cooling temperature control equipment technical field, concretely is a kind of ultra -thin wind wall air conditioning equipment. Including wind wall cabinet, wind wall cabinet includes front seal plate, rear seal plate, wind wall cabinet left side mounting plate and wind wall cabinet right side mounting plate;Condensing coil, water supply line and backwater line are equipped in wind wall cabinet, water supply line, backwater line are connected respectively in condensing coil export, entrance, and a plurality of fan mounting plate and electric control box are detachably connected on front seal plate, multiple fans are installed on fan mounting plate;Rear seal plate is equipped with filter device, and filter device includes filter element mounting frame, filter element and the temperature and humidity sensor one installed in filter element rear side;Water supply line, water supply line entrance of backwater line, backwater line export of backwater line are all located in wind wall cabinet bottom part.The utility model has solved the existing wind wall equipment volume huge, realize the efficient modularization installation of narrow space, reduce maintenance time, applicable to high-density heat dissipation scene such as data center.

The utility model discloses a measuring device for measuring the internal temperature of equipment, and belongs to the technical field of industrial equipment detection. The defect that temperature field distribution in equipment cannot be reflected by fixed point measurement in the traditional measurement setting in the prior art is overcome. The main body structure of the device comprises a sleeve, N through holes are arranged in the sleeve, a transmission lead is arranged in each through hole, one end of each transmission lead is provided with a temperature measuring end, the other end of each transmission lead is provided with a wiring piece, the sleeve is also provided with a connecting piece used for being connected with a cabinet body, and N is a positive integer greater than or equal to 1. The temperature monitoring device is mainly used for monitoring the internal temperature of equipment such as a disinfection cabinet.

The utility model discloses an auxiliary mounting structure for a water-cooling burner of a total oxygen heating furnace, which relates to the technical field of industrial furnace thermal equipment and comprises a gas pipe, a sleeve is fixedly connected to the outer wall of the gas pipe, a rubber ring is fixedly connected to the inner wall of the sleeve, a plurality of sliding grooves are formed in the inner wall of the sleeve, and the rubber ring is fixedly connected to the outer wall of the sleeve. By means of the U-shaped clamping block and the pressure spring, when the connecting rod moves, the second joint shaft can be driven to move, then the second joint shaft drives the fixing block to move, when the fixing block moves, the pressure spring can be squeezed, and therefore the connecting rod can be driven to move, and the connecting rod can be driven to move. And when the convex ring rotates to a proper position, the spring extrudes the U-shaped clamping block, so that the U-shaped clamping block is inserted into the circular ring groove from the square groove, and then the U-shaped clamping block clamps the convex part of the convex ring, so that troublesome mounting operation is not needed during mounting, the mounting mode is more convenient, and the equipment mounting time is effectively shortened.

The utility model discloses an engineering plastic ball valve with anticorrosive lining, including valve body and two installation frames, two installation frames are respectively communicated in the both ends of valve body, the outer surface of valve body is connected with fixed frame, the outer surface fixed frame is connected with the valve cover of screw thread, two installation frames are away from the one end of valve body and all be provided with the installation ring. The utility model discloses, through setting valve body, installation frame, fixed frame, installation ring, anticorrosive cover, sealing ring, limit block, positioning block, connecting pipe, fixed ring, positioning rod and fixed cover etc. the cooperation of parts, realized the function that anticorrosive cover was disassembled, improved the installation mode of anticorrosive cover among the prior art, so that when anticorrosive cover is damaged, can disassemble and replace anticorrosive cover, can replace the connecting pipe of valve body both ends simultaneously, so that engineering plastic ball valve can be connected with different specifications pipeline, has promoted the practicality of engineering plastic ball valve.

The application discloses a kind of empty suspension type magnetic stirring assembly to solve the problem of insufficient sealing effect of driving mode in the field of cell culture or biopharmaceutical, comprising: sealed shell assembly;First magnetic rotating part, in the sealed shell assembly;Second magnetic rotating part, in the sealed shell assembly outside, second magnetic rotating part is equipped with stirring paddle;Driving assembly, connect the first magnetic rotating part and can drive the first magnetic rotating part rotation, the first magnetic rotating part rotation can drive the second magnetic rotating part rotation.The power component and transmission component of stirring part are better isolated from the space in the liquid storage container by the magnetic force of the first magnetic rotating part to drive the second magnetic rotating part, avoid the problem of insufficient sealing effect of existing mechanical driving mode.

The utility model relates to the technical field of shell and tube condenser, especially to a shell and tube condenser for 3, 5 - dimethyl benzoic acid, including shell and tube condenser body, the bottom of shell and tube condenser body is provided with support plate, is provided with clamping mechanism on the support plate, the bottom of support plate is provided with base, and the base is connected with support plate through lifting mechanism, and the opposite side of two clamping blocks is provided with rubber pad no.

The utility model relates to the field of lamps and lanterns, concretely relates to a competitive atmosphere lamp, including the connecting box, the connecting box is provided with six lateral surfaces, install the mouth on every lateral wall of connecting box, the arc convex is vertically provided on both lateral walls of every install mouth, install one lamp pole in every install mouth. The utility model not only can be used as prompt light or illumination but also can provide atmosphere light for the competitive table, the light of each column of light emitting lamp pole is separated by installing the lamp pole on the lateral wall of connecting box, the light between light emitting lamp bodies is avoided, thereby guaranteeing the independence of each column of light beam, the rendering effect of game atmosphere is better, the lamp pole and connecting box structure are simple, and the installation mode between each lamp pole and connecting box is convenient, and the assembly cost is reduced.

The utility model discloses a photovoltaic system roof installation positioning support relates to solar photovoltaic technical field, the utility model discloses a bottom plate, the top outer wall fixedly connected with a plurality of support frames of bottom plate, the inner wall rotationally connected with pivot of support frame, the outer wall fixedly connected with the positioning frame of pivot, the inner wall of positioning frame is provided with mounting mechanism, the utility model discloses a connecting rod and fixed link, when the connecting rod moves, will take the round bar and move, when the round bar moves, will take the mounting plate and move, simultaneously, the mounting plate will take the guide post and slide in the sliding slot, then when the mounting plate moves, will take the fixed link and move, when the fixed link moves, will be inserted into the clamping groove, then when the fixed link is inserted into the clamping groove, the fixed block will not move, realizes quick installation, when installing photovoltaic board, need not to carry out the troublesome installation process, makes installation mode more convenient, effectively reduces the time of work, can dismantle fast when replacing photovoltaic board simultaneously.

This utility model discloses a nitrogen-free solvent-based polyamide-imide enameled wire coating equipment, including a workbench and a mounting frame. The mounting frame is fixedly installed on the upper surface of the workbench, and a liquid storage tank is fixedly installed on the upper surface of the mounting frame. The side wall at the bottom of the liquid storage tank is connected to a liquid pump through a liquid outlet pipe, and the liquid outlet of the liquid pump is connected to a liquid passage pipe. This utility model, through the coordinated arrangement of components such as the workbench, mounting frame, liquid storage tank, liquid pump, liquid passage pipe, liquid passage ring, atomizing nozzle, guide roller, recovery frame, fixing frame, recovery box, slider, positioning rod, pull plate, and tension spring, achieves the function of quickly removing the recovered wire. It improves the setting method of the recovery mechanism in the prior art, enabling the rapid removal of the recovered wire from the coating equipment. The removal process is fast and convenient, saving time and effort, and improving the practicality and convenience of the coating equipment.

The utility model discloses a kind of protective sleeve for wiring harness, including pipe body, the pipe body includes wear-resistant inner layer, support middle layer and impact-resistant outer layer, the wear-resistant inner layer, support middle layer and impact-resistant outer layer are by inside to outside using coaxial composite structure, the outer wall of the pipe body is opened with through type notch along axial direction one side, the outer wall of the support middle layer is in along pipe body axial notch end, symmetrically arranged with the buckle of mutual cooperation, the wear-resistant inner layer is in along pipe body and is provided with inner layer protruding piece, the utility model is combined with the double-lock structure of buckle and inner layer protruding piece and support middle layer elastic reset characteristics, realize the automatic locking of notch end stress separation and unloading bite, more convenient than traditional cable tie fixed or cable extension sleeve, in complex bending path, integrated magic tape auxiliary adhesive piece can form axial equal-length redundant protection when buckle failure, without adhesive tape can be closely fitted path, solve the problem that traditional open sleeve cracks need additional tool.

The utility model belongs to pipeline arrangement technical field, and disclose a kind of integrated pipeline arrangement device of assembly type laboratory, including bridge, bridge is provided with pipe fitting room in, several first sliding slots are provided in pipe fitting room, several first sliding blocks are slidably connected in first sliding slot, the upper surface of first sliding block is fixedly connected with clamping block, the both sides of clamping block are provided with clamping groove bridge is provided with wire room in, several second sliding slots are provided in wire room, the inner surface of second sliding slot is fixedly connected with mounting plate, the outer surface of mounting plate is fixedly connected with spring, the end of spring away from mounting plate is fixedly connected with second sliding block, the upper surface of second sliding block is fixedly connected with clamping plate, by the cooperation of pipe fitting room, first sliding slot, first sliding block, clamping block and clamping groove, every pipe fitting can be effectively fixed, can prevent pipe fitting from loosening, falling off due to vibration, impact and other reasons, reduce the risk of leakage, can effectively shorten installation time, and can help pipeline neat arrangement according to design specification.

The utility model discloses a power cylinder with better space reachability, which comprises a power cylinder and further comprises a reloading assembly, the reloading assembly comprises a threaded cover installed on one side of the power cylinder in a butt joint mode, and an inserting plate is fixedly installed on one side of the threaded cover; a threaded groove is formed in one side of the inserting plate, a base is slidably mounted on the outer side of the inserting plate in a sleeving mode, and a front mounting groove and a rear mounting groove are formed in the front side and the rear side of the base correspondingly; the front installation groove and the threaded groove are installed correspondingly, and a screw and a nut are installed in the front installation groove and the threaded groove. According to the replacement assembly, for the problem of large workload of riveting simulation avoiding interference, the position of a threaded groove in an insertion plate in a front mounting groove or a rear mounting groove can be changed through sliding, and then the locking and fixing effects are achieved through a stud and a nut. The action position of the power cylinder can be simply changed through the operation, and interference is avoided; in a default state, the gravity center of the whole cylinder is lower, the robot payload is more friendly, reverse installation is achieved during interference, and reachability can be improved.

The utility model discloses an automatic winding device of a hot melt adhesive compound machine, which comprises a working table and a mounting frame, the mounting frame is fixedly mounted on the upper surface of the working table, the inner wall of the mounting frame is rotatably connected with three support rollers, the inner wall of the mounting frame is provided with a compression roller, the upper surfaces of the two ends of the working table are fixedly provided with fixing plates, and the fixing plates are fixedly arranged on the upper surfaces of the two ends of the working table. And a motor is fixedly mounted on the side wall of one fixing plate. According to the device, through cooperation of the working table, the mounting frame, the fixing plate, the motor, the rotating rod, the rotating disc, the winding roller, the limiting rod, the fixing rod, the placing roller, the pressing frame, the clamping block, the clamping groove, the fixing bolt and the like, the function of quickly and conveniently mounting and dismounting the winding roller and the placing roller is achieved, and the mounting mode of the winding roller in the prior art is improved; according to the hot melt adhesive take-up device, the taken-up hot melt adhesive can be rapidly taken out of the take-up device, time and energy are saved, the take-up efficiency of the hot melt adhesive is improved, and the practicability of the take-up device is improved.

The utility model discloses an air pressure sensor installation sealing test mechanism, and belongs to the technical field of air pressure sensor sealing test.The test mechanism comprises an air tightness detector and a fixing frame installed on the air tightness detector, an air cylinder is installed at the upper end of the fixing frame, the telescopic end of the air cylinder penetrates through the top of the fixing frame, and a detection box is installed at the telescopic end of the air cylinder; an electric rail is arranged on the air tightness detector, a regulation and control panel is arranged on the fixing frame, an assembling mechanism is arranged on the air tightness detector, and the assembling mechanism comprises a detection table slidably mounted on the electric rail and a plurality of assembling cylinders arranged on the detection table at equal intervals; the double-layer air bag is filled with air, after the outer container air bag and the inner container air bag are inflated and expanded, the probe of the air pressure sensor body is blocked and sealed, compared with a traditional threaded installation mode, the installation mode is more convenient, only the double-layer air bag needs to be decompressed during later disassembly and assembly, and the overall detection efficiency is improved.

The utility model discloses a cyclone type paint mist collector, including water storage tank and machine body, the machine body is connected in the upper surface of water storage tank through the water leakage hole intercommunication, the lateral wall of machine body is connected with air inlet pipe and air outlet pipe, the inside of machine body is provided with cyclone fan. The utility model discloses, through set up water storage tank, machine body, air inlet pipe, air outlet pipe, cyclone fan, fixed frame, paint mist cotton, limit board, limit frame, water pump, water suction pipe, water pipe, water frame, shower nozzle, fixed plate, pull frame, filter screen, positioning frame, sliding block, positioning rod, pull plate and tension spring etc. cooperation, realized the function that paint mist cotton was disassembled and replaced fast and conveniently, improved the fixed mode of paint mist cotton in the prior art, so that can install and disassemble paint mist cotton quickly, thereby convenient for replacing paint mist cotton, save time and effort, can filter and secondary use water source simultaneously, save water resources, improved the practicality of paint mist collector.

The cutter positioning structure of the five-axis numerical control high-speed gear hobbing machine comprises a machine body and a control box, the control box is fixedly arranged on the outer surface of the machine body, a machine bin is formed in the machine body, and a mounting frame is arranged on the inner wall of the top end of the machine bin through a lifting device. And a driving motor is fixedly mounted in the mounting frame, a rotating rod is fixedly mounted at the output end of the driving motor, and the bottom end of the rotating rod is sleeved with a mounting sleeve. According to the hobbing cutter, the machine body, the machine bin, the mounting frame, the driving motor, the rotating rod, the mounting sleeve, the positioning cutter head, the check block, the rotating disc, the positioning column and other parts are matched, so that the function of preventing the positioning cutter head from being damaged is achieved, the safety of the hobbing cutter is improved, the positioning cutter head can be replaced quickly and conveniently, time and labor are saved, and the working efficiency is improved. And meanwhile, the positioning column and a machined workpiece can be rapidly fixed and positioned, and the practicability of the gear hobbing machine is improved.

The utility model provides a multistage filter screen for industrial wastewater, which belongs to the technical field of industrial wastewater filtration and comprises a fixing frame, and the fixing frame is provided with a plurality of transverse mounting ports used for fixing a primary filter screen, an intermediate filter screen, an advanced filter screen and an activated carbon filter part; wherein the apertures of the primary filter screen, the intermediate filter screen and the high-grade filter screen are sequentially reduced, and the primary filter screen, the intermediate filter screen and the high-grade filter screen are used for performing multi-stage filtration on industrial wastewater; the activated carbon filter part is arranged on one side, far away from the primary filter screen, of the advanced filter screen, and a neutralization liquid input pipe is fixed in the activated carbon filter part and is used for neutralizing the filtered industrial wastewater; the utility model provides a multistage filter screen for industrial wastewater, which can solve the problems that fine particles and dissolvable harmful substances cannot be effectively removed by the traditional physical filtration, and the acid-base property of the wastewater can influence the subsequent treatment or the environment.

This utility model discloses a heat pump dryer, including an oven and a rotating door. The rotating door is rotatably connected to the inner wall of the oven's opening end. A base plate is fixedly installed at the other end of the oven. A trolley is provided on the upper surface of the base plate, and the dryer body is provided on the upper surface of the trolley. An air inlet is fixedly installed on the side wall of the dryer body away from the oven, and two air outlet pipes are fixedly installed on the side wall of the dryer body near the oven. This utility model, through the coordination of components such as the oven, base plate, trolley, dryer body, limiting frame, fixing plate, fixing bolts, mounting plate, and mounting bolts, achieves the function of quickly and conveniently installing the dryer body onto the oven. It improves the installation method of the dryer body in the prior art, allowing for quick positioning of the dryer body when installing it onto the oven, saving time and effort, and improving the practicality of the dryer.

The utility model relates to power construction technical field, concretely is a kind of embrace fixed porcelain bottle construction and uses the auxiliary standing device, it mainly includes force rope, the outside connection of force rope is limited by rope ring, the end of force rope is connected with fixed clamping spring, the inner side of fixed clamping spring is connected with footboard, both ends of footboard are fixedly connected with hanging rod, the inner side of hanging rod is connected with anti-falling bolt.The auxiliary standing device of a kind of embrace fixed porcelain bottle construction and use of the present application is composed by force rope and installs footboard, when installing, can according to the width of porcelain or composite silica gel material, the length of force rope is adjusted at any time by the positioning of limited rope ring, the auxiliary standing device of ring type construction is suitable for vertical and inclined porcelain or composite silica gel material sleeve pipe and installs, provide more powerful support for the maintenance of porcelain bottle top terminal board, let operating personnel have footboard, can be wholehearted in the operation, ensure operating efficiency.

The mobile pump station based on the vehicle-mounted permanent magnet synchronous power generation comprises a mobile vehicle and a mounting groove, the mounting groove is formed in the upper surface of the mobile vehicle, a mounting plate is slidably connected to the interior of the mounting groove, and a case is fixedly mounted on the upper surface of one end of the mounting plate; a pump body is arranged on the upper surface of the other end of the mounting plate, and the side wall of the pump body communicates with a water inlet pipe. According to the device, through cooperation of the moving trolley, the mounting groove, the mounting plate, the case, the pump body, the pulleys, the clamping blocks, the clamping grooves, the limiting bolts, the fixing plate, the fixing frame, the fixing bolts, the transmission rod, the connecting rod, the connecting sleeve, the limiting blocks and the like, the function of quickly and conveniently disassembling and assembling the case and the pump body is achieved; the installation mode of the case and the pump body in the prior art is improved, the case and the pump body are easier and more convenient to disassemble and assemble, meanwhile, the case and the pump body are more convenient and faster to connect, time and energy are saved, and the practicability of the movable pump station is improved.

The utility model discloses a kind of quick clamping release devices of spool for wear-resistant welding wire production, it is related to welding auxiliary equipment technical field, the utility model includes bottom plate and spool, the top outer wall of the bottom plate is fixedly connected with several square plates, the top inner wall of the square plate is equipped with arc slot, the outer wall of the spool and the inner wall of arc slot contact, the utility model is rotated by worm and eccentric wheel, after moving out, then when rotating turntable, worm will be rotated with, when worm rotates, worm gear will be rotated with, simultaneously, shaft will be rotated with worm gear, when shaft rotates, eccentric wheel will be rotated with, then eccentric wheel is rotated to adhere spool, at this moment, eccentric wheel will clamp spool in arc slot, realize quick installation, without needing to carry out tedious installation operation when installing spool, make installation mode more convenient, effectively reduce the time of installation, simultaneously, when replacing equipment, it can be quickly disassembled.

The utility model discloses a built-in keel structure of an anti-theft door, which comprises two side square tubes, and an upper square tube, a plurality of middle square tubes and a lower square tube are sequentially arranged between the two side square tubes from top to bottom; the bottom of the upper square pipe, the tops of the multiple middle square pipes and the top of the lower square pipe are symmetrically and fixedly connected with two inserting blocks, the outer surfaces of the multiple inserting blocks are sleeved with limiting inserting grooves, and the limiting inserting grooves are fixedly connected with the adjacent side square pipes. And two pieces of C-shaped steel are symmetrically and fixedly connected to one side of the outer surface of each middle square pipe in an embedded mode, and elastic pieces are jointly installed in the multiple pieces of C-shaped steel on the same side in an abutting mode. According to the novel anti-theft door keel, through modular design and plug-in connection, the installation mode of a traditional anti-theft door keel is obviously optimized, rapid splicing can be achieved, field welding is not needed, the installation efficiency is greatly improved, dependence on the technology of workers is reduced, the novel anti-theft door keel is suitable for efficient and large-batch production scenes, and meanwhile later maintenance and replacement are facilitated.