398 results about "Square Rod" patented technology

The utility model relates to a handle door lock, which comprises a lock body, a square rod, an inner handle and an outer handle, the inner handle and the outer handle are positioned on two sides of the lock body, the square rod is connected with the inner handle and the outer handle, the inner handle comprises an inner handle and an inner handle seat synchronously rotating with the inner handle, and the outer handle comprises an outer handle and an outer handle seat synchronously rotating with the outer handle. The inner handle seat and the outer handle seat are both provided with shaft holes matched with the square rod, a stop piece and a spring are arranged in the outer handle, the stop piece is provided with a square hole for the square rod to penetrate through, the spring is arranged outside the square rod in a sleeved mode and abuts against the stop piece, an inclined face is arranged on the outer handle seat, the stop piece is arranged on the inclined face in a pressed mode through the spring, and the square rod is sleeved with the spring. A notch is formed in the side wall of the outer handle base so that an external unlocking piece can be inserted into the outer handle base, the locking piece can be shifted right in a sliding mode, and an unlocking groove hole is formed in the position, corresponding to the notch, of the outer handle. By the adoption of the technical scheme, the handle door lock can be rapidly disassembled and assembled, and after installation, the square rod is firmly connected with the inner handle and the outer handle.

The invention discloses a multi-core wire harness connector automatic centering guide mechanism and a centering guide method thereof.The multi-core wire harness connector automatic centering guide mechanism comprises a mounting plate, the upper surface of the mounting plate is fixedly connected with a transverse plate, the outer wall of the transverse plate is fixedly connected with a support, the surface of the support is rotatably connected with a rotary knob through a bearing, a sliding groove is slidably connected with two square rods, and the two square rods are fixedly connected with the mounting plate. Protruding parts at the lower ends of the two square rods are fixedly connected with the corresponding guide plates respectively. Through the arrangement of the mounting plate, the transverse plate, the bracket, the knob, the cam, the square rod, the guide plates and the spring, when a multi-core wire harness connector needs to be centered, an operator firstly places a wire harness between the two guide plates, then takes down a locking bolt, stops rotating the knob, and fixes the knob through the locking bolt, so that the centering of the multi-core wire harness connector is realized. According to the mode, the wire harness can be centered at the multi-core wire harness connector, so that an operator can plug and pull out the wire harness conveniently, and the mounting convenience of the multi-core wire harness connector is improved.

The present invention belongs to the field of anchor processing, and specifically relates to a double-end face cutting device for processing prestressed anchors, comprising a base plate, a guide groove is provided at the upper end of the base plate, a guide block is slidably connected in the guide groove, a support rod is slidably sleeved in the guide block, a support rod is welded in the base plate, a spring is provided on the outside of the support rod, a support plate is welded to the upper end of the guide block, a support shaft is rotatably connected in the support plate, a square groove is provided in the support shaft, a square rod is slidably connected in the square groove, and a cross bar is welded to one end of the square rod. The present invention provides a mounting groove on the side plate, and a centering shaft is provided in the mounting groove, and a conical block is slidably connected to the side plate. The anchor is positioned by the cooperation of the conical block and the centering shaft, ensuring that the center point position of the anchor remains unchanged after the end face is switched, avoiding errors and improving processing accuracy.

The invention discloses aquaculture tail water purification treatment equipment, and relates to the technical field of sewage treatment equipment. The device comprises a mixing tank, a rotating disc is movably connected to the top of the mixing tank, a rotating shaft is movably connected to the interior of the rotating disc, a square rod is slidably connected to the interior of the rotating shaft, and mixing blades are fixedly connected to the bottom of the square rod. Three-dimensional stirring is achieved through cooperation of a linkage structure of the rotating disc and the rotating shaft and the mixing blades, a driving gear in the adjusting assembly is meshed with a gear ring, so that the mixing blades can move up and down while rotating, and the stirring range is widened; the dynamic adjusting mechanism ensures that a medicament and sewage can fully contact and react in each area in the mixing tank, the problem that a traditional fixed stirrer is not uniform in mixing is solved, the stability of height adjustment is ensured through the structural design of a square rod and a sliding block, a better pretreatment effect is provided for a subsequent filtering procedure, and the working efficiency is improved. The tail water purification efficiency and the water treatment quality are integrally improved.

The invention provides a silicon wafer, a square rod, a processing method and equipment of the silicon wafer, a battery piece and a photovoltaic module. The surface roughness Ra of the side surface of the silicon wafer is 0.15 mu m-1 mu m. The square rod comprises two first surfaces which are oppositely arranged along a first direction; the two second surfaces are oppositely arranged in the second direction. The surface roughness Ra of the first surface and the surface roughness Ra of the second surface are both 0.35 [mu] m-0. 85 [mu] m. In the invention, the surface roughness Ra of the side surface of the silicon wafer is set to be 0.15-1 mu m, and the surface roughness Ra of the first surface and the surface roughness Ra of the second surface of the square rod are set to be 0.35-0.85 mu m in the cutting stage of the square rod, so that the requirements of the square rod for subsequent slicing and battery piece preparation can be met, and compared with an existing finished square rod, the production efficiency is improved, and the production cost is reduced. The surface roughness Ra of each surface of the square rod is obviously improved, the operation is convenient, and the bonding stability of the surfaces of the square rod is improved in the processes of slicing the square rod and preparing the battery piece, so that the yield of slices and the yield of the battery piece are increased.

The utility model discloses a quick and uniform mortar stirring device for building construction, which relates to the field of building construction and comprises a tank body, a top cover is arranged at the top of the tank body, a stirring component is arranged at the bottom of the tank body, feeding pipes are connected to the left side and the right side of the top cover, two discharging pipes are connected to the bottom of the tank body, and electromagnetic valves are connected to the outer walls of the discharging pipes. A clamping groove is formed in the top of the tank body. Non-caked mortar raw materials are filtered through the filter sieve hopper, the caked mortar raw materials are located at the bottom of the filter sieve hopper, the electric telescopic rod is used for pulling the connecting plate, the connecting plate pulls the square rod, the square rod slides in the square cylinder, the square rod is used for pushing the grinding head, and the grinding head is driven by the motor to rotate. According to the mortar stirring device, the grinding head extends into the filter sieve hopper, the second motor is used for driving the grinding head to rotate, and the grinding head can be used for grinding and crushing caked mortar raw materials at the bottom of the filter sieve hopper, so that the mortar stirring efficiency and quality can be effectively improved.

The utility model relates to the technical field of metal processing, in particular to a precise automatic lathe for processing metal products, which comprises a box body, a shell is fixedly connected to the top of the box body, a collecting box is attached to the bottom of the box body, a turning tool is arranged on the inner side of the box body, and the top of the turning tool is fixedly connected with the bottom of a second curved block. Two plate bodies are arranged on one side of the box body, one end of the plate body on one side is rotationally connected with the inner wall of one end of the box body through a bearing, and the top of the second curved block is fixedly connected with a telescopic rod of an air cylinder. Through cooperation of the box body, the plate bodies and the fixing structure, when the device is used, an electric push rod can drive a square rod to move outwards, the square rod drives a round rod to move outwards, the round rod drives a clamping plate to move inwards, then a metal product is clamped and fixed, a first motor drives the plate body on one side to rotate, and overturning of the metal product is achieved; and the metal product can be conveniently and automatically turned over, and then the back face of the metal product can be conveniently machined.

The utility model provides an adjustable tire mold repair frame, which belongs to the technical field of tire molds and is provided with a support frame, a lifting frame is vertically connected in the support frame in a sliding manner, and transverse plates are fixedly mounted at four corners of the lifting frame; a first transmission assembly is fixedly installed on the inner bottom wall of the right side of the supporting frame, a second transmission assembly is fixedly installed on the inner top wall of the right side of the supporting frame, and a third transmission assembly is fixedly installed on the inner top wall of the left side of the supporting frame. A first square rod and a second square rod are fixedly mounted on the lifting frame, a supporting plate with an L-shaped cross section is arranged on the first square rod and the second square rod, the first square rod is hinged to the supporting plate through a hinge, and the second square rod is hinged to the supporting plate through a telescopic mechanism; the tire mold repair frame is used for solving the technical problem that the height and the angle of the tire mold repair frame are inconvenient to adjust according to needs.

This invention discloses a geological disaster rainfall monitoring and early warning device, belonging to the field of geological disaster monitoring technology. It includes a liquid level sensor, a water pump, a motor, and a base plate. The base plate is slidably fitted onto the lower end of a square rod, and multiple first anchor rods are inserted and installed on the base plate. A cylinder is fixed to the top of the square rod, and an upper rod body is fixed to the upper end of the cylinder. A rotating wheel and a bevel gear ring are rotatably mounted on the cylinder, and the bevel gear ring is fixedly installed to the bottom surface of the rotating wheel. Two lead screws are symmetrically rotatably mounted on the side of the square rod near the top. The top ends of the lead screws mesh with the bevel gear ring for transmission. This invention enables convenient rainfall monitoring and allows for adjustment of its installation height as needed. After installation, it can better cope with severe weather such as strong winds and heavy rains, ensuring that the device can safely and stably monitor rainfall. Furthermore, it allows for convenient cleaning of photovoltaic panels, ensuring their high power generation efficiency.

The application relates to the technical field of handles, and discloses a handle, which comprises a lock body, a square rod is slidingly inserted into the inside of the lock body, mounting rods are fixedly connected to the two sides of the square rod, a sleeve ring is slidingly sleeved on the outer circumferential surface of each mounting rod, a mounting plate is slidingly sleeved on the outer circumferential surface of each mounting rod, and a handle is fixedly connected to the top end of each mounting plate. The handle is characterized in that the mounting plate is directly fixed on the mounting rods at the two ends of the square rod by rotating the lead screw to drive the positioning rod to move and be inserted into the positioning hole, the handle is convenient to install, disassemble and maintain, manpower is saved, the handle is prevented from being fixed on the door plate by using screws, damage to the door plate is prevented, the appearance of the door plate and the reuse after subsequent disassembly are not affected, and the problems that the handle and the door plate are fixed by using screws, the disassembly and maintenance are relatively laborious, the screws cause damage to the structure of the door plate, the appearance of the door plate is affected, and the reuse after subsequent disassembly is affected are solved.

The pillow comprises a first supporting frame, a second supporting frame, an adjusting square rod, an adjusting bolt, a pillow face elastic sleeve and two side sleeves, the two ends of the pillow face elastic sleeve are fixed to the first supporting frame and the second supporting frame respectively, and the two ends of the pillow face elastic sleeve are sleeved with the two side sleeves respectively; a first fixing square tube is fixed on the first supporting frame, one end of an adjusting square rod is inserted into a tube opening of the first fixing square tube, an adjusting bolt penetrates through one end of the first fixing square tube to be in threaded connection with one end of the adjusting square rod, a second fixing square tube is fixed on the second supporting frame, and the other end of the adjusting square rod is inserted into a tube opening of the second fixing square tube. The adjusting bolt drives the adjusting square rod to stretch out or retreat to achieve tightness adjustment of the pillow face elastic sleeve, the adjusting square rod is completely arranged in the pillow, when the adjusting square rod retreats and is adjusted, the end of the adjusting square rod cannot protrude out of the pillow, the pillow is overall attractive, and the risk that the pillow rubs a human body is avoided.

The utility model relates to the technical field of magnetic material grinding, and discloses a magnetic material grinding device which comprises a machining supporting plate, a cavity is formed in the machining supporting plate, a square rod is arranged, and a plurality of magnetic material parts are sequentially arranged on the outer side of the square rod in a sleeving mode; the outer side of each square rod can be sleeved with a plurality of magnetic material parts, an output shaft of the motor drives the two-way lead screw to rotate, the two-way lead screw rotates to drive the two transmission plates to get close to each other, the two transmission plates can drive the sleeved magnetic material parts to get close to the grinding belt till the magnetic material parts make contact with the grinding belt, and the square rods drive the sleeved magnetic material parts to rotate. And at the moment, friction is formed between the multiple magnetic material parts and the grinding belt when the multiple magnetic material parts rotate to achieve the grinding effect, the multiple magnetic material parts can be ground at the same time, and therefore the grinding efficiency can be improved, the grinding time can be saved, the use requirements of different degrees are met, and application and popularization are facilitated.

The utility model belongs to the technical field of greening engineering, and discloses a greening engineering tree trunk brushing device which comprises a top plate, a lifting plate and a feeding assembly, two square rods are arranged on the bottom face of the top plate at intervals, a bottom plate is arranged at the bottoms of the two square rods, and two strip-shaped holes are symmetrically formed in the lifting plate; the hole walls of the adjacent sides of the two strip-shaped holes are slidably connected with the adjacent side walls of the two square rods correspondingly, a driving assembly is arranged on the top plate, sliding blocks are slidably arranged in the strip-shaped holes, wedge-shaped blocks are arranged on one side walls of the square rods, connecting rods are arranged at the bottoms of the sliding blocks, arc-shaped pipes are arranged on the connecting rods, and a plurality of nozzles are arranged on the inner sides of the arc-shaped pipes at intervals. The driving assembly drives the lifting plate to descend, meanwhile, lime liquid is supplied into the arc-shaped pipe through the feeding assembly, in the descending process of the lifting plate, the lime liquid is continuously sprayed to the surface of the tree trunk from the spraying head, spraying operation is completed, a worker does not need to bend down or squat down, and waist muscle strain of the worker is avoided.

The utility model discloses a cotton suction flute pipe installation structure which comprises a rack, a cotton suction flute pipe is arranged on the side face of the rack, plugs are installed at the two ends of the cotton suction flute pipe respectively, connecting square rods are arranged on the sides, away from the cotton suction flute pipe, of the plugs, a clamping groove is formed in one side of the outer wall of the rack, and the clamping groove is connected with the cotton suction flute pipe. A fixing seat is fixedly connected to the inner wall of the clamping groove, inclined connecting plates are fixedly connected to the bottoms of the two sides of the fixing seat, and clamping arms are arranged on the two sides of the top of each inclined connecting plate. The utility model relates to the technical field of spinning frames, and solves the problems that in the prior art, the opening end of a cotton suction flute pipe mounting clamp faces downwards, when accumulated cotton is cleaned, an operator often needs to bend down and lower the head, dismounting and mounting operation is carried out in a narrow space, force application is inconvenient, labor intensity is increased, and work efficiency is high. And a holding hand part is easy to collide with the edge of the machine beam.

The utility model belongs to the field of filters, and particularly relates to a raw material filter for bakery food production, which comprises a screen drum, a support plate is fixedly connected in the screen drum, a motor is fixedly mounted in the middle of the upper end of the support plate, and the output end of the motor penetrates through the support plate and is rotatably connected with the support plate. A square rod is welded to the lower end of the output end of the motor, a filter screen is slidably connected to the outer side of the square rod, the filter screen is movably connected with the screen drum, a vibrating mechanism is arranged in the screen drum, and a discharging mechanism is arranged in the screen drum. The square rod is driven by the motor to rotate, so that the filter screen rotates, the inclined block and the stop block slide relatively, the filter screen can rise and fall and vibrate up and down under the elastic action of the compression spring, the filter screen is prevented from being blocked, and filtering of the filter screen is more efficient.

This invention discloses a drying device for calcium hypochlorite production, relating to the field of calcium hypochlorite production technology. The technical solution includes a drying shell with a drying mechanism inside and a material conveying and preheating mechanism at the top. The drying mechanism includes a square rod located inside the drying shell, with both ends connected to the inner walls of the drying shell via bearings. A second motor is fixedly mounted on one side of the drying shell, with its output end fixedly connected to the square rod. Two drying components are located outside the square rod, each including a rotating sleeve fitted around the square rod and slidably connected to it. Multiple rotating plates are fixedly connected to the outside of the rotating sleeve. A cylinder and side circular plates are fitted around the rotating sleeve, and the rotating sleeve is rotatably connected to the side circular plates and cylinder. An opening is provided on one side of the cylinder to facilitate the drying of calcium hypochlorite, resulting in high drying efficiency and uniform drying.

The invention provides a cutting method, system and equipment for reducing the single crystal extraction gradient and a storage medium. The cutting method comprises the following steps: obtaining extraction size data of a plurality of square rods; calculating a compensation value K according to the extraction size data; calculating a cutting positioning size D according to the compensation value K; and according to the cutting positioning size D, performing compensation cutting on the single crystal to be cut within the cutting compensation range. The method has the beneficial effects that cutting compensation is carried out at the cutter feeding section during single crystal extraction, so that the cutting difference between the cutter feeding section and the main cutting section is reduced, and the gradient of the extraction cutting surface is reduced. In the cutter feeding section of single crystal extraction cutting, the cutting line is used for cutting according to the size of the compensated extraction finished product, the main cutting section and the cutter discharging section of single crystal extraction are used for cutting according to the size of the extraction finished product, the extraction size is reduced, silicon materials needing to be ground are reduced in the follow-up grinding process, and therefore silicon loss is reduced, working hours are saved, and working efficiency is improved.

The utility model belongs to the field of winding devices, and particularly relates to a galvanized wire production winding device with a cleaning mechanism, which comprises a frame, a motor is fixedly mounted at the lower end of the frame, the output end of the motor penetrates through the frame and is rotatably connected with the frame, and a square rod is welded at the upper end of the output end of the motor. A square rod is welded to the upper end of the frame, a winding wheel is slidably connected to the outer side of the square rod, a support is welded to the upper end of the frame and makes contact with the winding wheel, a tensioning mechanism is arranged on the frame, a guide wheel is arranged on the tensioning mechanism, a supporting plate is welded to the upper end of the frame, and a cleaning mechanism is arranged on the supporting plate. According to the galvanized wire cleaning device, the motor drives the gear to rotate and is matched with the gear ring to drive the hollowed-out barrel to rotate, then the galvanized wire is brushed by the sponge sleeve, meanwhile, cleaning liquid enters the hollowed-out barrel through the external water pump on the water inlet pipe, the galvanized wire is brushed by the cleaning liquid, cleaning is more thorough, and stains are prevented from being attached to the surface of the galvanized wire.

The utility model discloses an integrated fireproof air duct, which relates to the technical field of ventilation system components and comprises an inner-layer air duct and two L-shaped outer-layer shells which are symmetrically arranged, and the outer-layer shells are rotatably connected with a mounting piece at the top of the inner-layer air duct through a rotating shaft I to form an openable structure. A fireproof layer is arranged between the outer-layer shell and the inner-layer air pipe, the bottom stacking position of the outer-layer shell and the inner-layer air pipe is flattened through a flattening assembly, the flattening assembly comprises a sliding block, an elastic pressing plate and a spring, and it is ensured that the fireproof layer is tightly attached. Fixing assemblies are arranged at the left end and the right end of the outer-layer shell, and a screw head is rotated to drive a screw rod and a disc to press the fireproof layer. A switch assembly is arranged at the bottom of the outer-layer shell, and convenient opening and closing are achieved through buckling of a square rod and a protruding block. And the adapting groove at the upper end of the outer shell is convenient for splicing a plurality of air pipes. By means of the detachable structural design, the problems that a traditional fireproof layer is difficult to install and detach and prone to loosening are solved, and the detachable fireproof layer has the advantages of being efficient in installation, convenient to maintain and high in fireproof stability.

1. Name of the designed product: handle (square rod step method). 2. Use of the designed product: handle for installation on furniture. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The novel vertical five-degree-of-freedom parallel manipulator comprises a polishing platform, a support, a motor box, a first supporting chain, a second supporting chain, a third supporting chain, a fourth supporting chain and a fifth supporting chain x, y, z three The parallel mechanism can realize x, y Movement in one direction and rotation in two directions. The advantages of the present application are as follows: 1. The vertical structure makes the polishing platform have more space to cope with more complex situations; 2. The connecting rods used in the mechanism are all circular rods, instead of traditional square rods, which ensures the coherence of the overall motion of the mechanism; 3. The first supporting chain and the second supporting chain have the same structure, which reduces the manufacturing and assembly difficulty of the overall parallel mechanism.

The utility model relates to the technical field of fixing supports, in particular to a waterproof paint color matching device. The color mixing device comprises a color mixing kettle, a driving part and a stirring rod, a fixing device is arranged in the color mixing kettle and comprises a fixing plate, one end of the fixing plate is fixedly connected with the stirring rod, one side of the fixing plate is fixedly connected with an internal thread ring, a bolt is in threaded connection with the interior of the internal thread ring, and the driving part is fixedly connected with the driving part. The arc surface of the bolt is slidably connected with a pressing plate, one side of the pressing plate is fixedly connected with a limiting block, the arc surface of the limiting block is slidably connected with a square rod, one side of the square rod is fixedly connected with a scraping plate, one end of the square rod is slidably connected with a limiting block, and one end of the limiting block is fixedly connected with a supporting plate. The waterproof paint color mixing device solves the problem that in a traditional waterproof paint color mixing device, in the color mixing process of waterproof paint, part of the waterproof paint can adhere to the inner wall of a color mixing kettle, and consequently mixing of the waterproof paint is not sufficient.

The utility model discloses a fool-proof plug-in clamp with a quick disassembly and assembly structure, and relates to a fool-proof plug-in clamp which comprises a base. Sliding grooves are formed in the front portion and the rear portion of the base, sliding blocks are connected to the two sides in the sliding grooves in a sliding mode, U-shaped rods are fixedly installed on the surfaces of the sliding blocks, a strip-shaped frame is fixedly installed between the two adjacent U-shaped rods on the front portion and the rear portion, and a traction rod is fixedly installed at the bottom of the strip-shaped frame. The motor drives a rotating rod to rotate reversely, the rotating rod rotates reversely to drive a rotating disc to rotate, the rotating disc rotates to drive two sliding rods to move, at the moment, the sliding rods drive strip-shaped frames on the two sides to move towards the two sides at the same time, the strip-shaped frames move to drive a traction rod to move, and the traction rod moves to drive a square rod to move; and the limiting rod does not limit the square rod any more, and at the moment, the clamp head can be conveniently detached and replaced by pulling the clamp head downwards.

This utility model discloses a counter-flow cooling tower, including a cooling tower shell, a fan installed on the top of the cooling tower shell, and packing material inside the cooling tower shell. A disassembly and assembly mechanism is provided inside and at the front of the cooling tower shell. The disassembly and assembly mechanism includes a connecting plate fixedly connected to the front of the packing material, and a strip-shaped cylinder fixedly connected to the front of the connecting plate. Through the disassembly and assembly mechanism, utilizing the sliding cooperation between the connecting plate and the fixed square rod, and the guiding support of the slider for the packing material, the packing material can be directly pulled out or inserted along the fixed square rod, avoiding the cumbersome disassembly process of bolt tightening or custom clips in traditional structures. Simultaneously, the spring inside the strip-shaped cylinder, along with the buckle plate and the clip plate, forms an automatic locking structure. During replacement, only the buckle plate needs to be pressed and the clip plate slid, allowing disassembly and assembly to be completed without professional tools, significantly reducing downtime for maintenance.

1. Name of the product in this design: Photovoltaic finished square rod size inspection equipment. 2. Purpose of this design: For automatic detection of various external dimensions of finished square bars. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.

The invention discloses a multifunctional straw returning layered fertilizing and sowing all-in-one machine, and belongs to the technical field of straw returning. The storage rack comprises a rack body, the rack body is provided with a plurality of storage boxes and square rods through mounting assemblies, and the storage boxes and the square rods are arranged in a one-to-one matching mode. In the fertilizing and sowing process, a controller for controlling a hydraulic cylinder can be started, so that the hydraulic cylinder drives a control frame to move back and forth, the control frame drives a rotating plate to rotate back and forth relative to an inclined plate through a transverse plate and a sliding rod, and in the straw returning process, due to uneven straw distribution, the straw can be returned to the field, so that the straw returning efficiency is improved. Due to the fact that the rotary plate rotates back and forth, a certain vacuum zone is likely to exist in soil, the rotary plate rotating back and forth can extrude the soil, the vacuum zone can be reduced while the soil is compacted, the straw returning effect is improved, the rotary plate rotating back and forth can push straw possibly existing in a ploughing area, and the straw returning effect is improved. The influence of the straws on subsequent fertilization and seeding effects is reduced.

The utility model discloses a window handle with a handle and a protective plate capable of being replaced quickly, which relates to the technical field of door and window accessories and comprises a base, a hollow mandrel mounted on the base, a second fixing hole arranged on the mandrel, a protective plate sleeved outside the base, a handle inner sleeve mounted inside the handle and a handle outer sleeve mounted inside the handle inner sleeve. A first fixing hole is formed in the handle inner sleeve, a force unloading hole is formed in the handle, the end of the square rod penetrates through the base to enter the core shaft, the adjusting pressure spring is located in the core shaft and located between the square rod and the core shaft, the locking block comprises a horizontal part and a vertical part, and the vertical part sequentially penetrates through the second fixing hole and the first fixing hole. The end, away from the horizontal part, of the vertical part makes contact with the lower end face of the first fixing hole, when disassembly is needed, a fine needle is inserted into the force unloading hole to push the vertical part of the locking block to be disengaged from the handle inner sleeve, the handle can be disengaged from the base, the protection plate loses limiting, and therefore the handle and the protection plate can be rapidly replaced.

The utility model discloses an explosion-proof magnetic attractor which comprises an explosion-proof magnetic attractor body and a motor, the end portion of the upper surface of the explosion-proof magnetic attractor body is provided with a limiting mechanism, the upper end and the lower end of the end face of the explosion-proof magnetic attractor body are respectively and fixedly provided with a positioning arm and a clamping sleeve, and the end portion of the positioning arm is movably connected with a support. A working bolt is movably installed on the inner wall of the end, close to the positioning arm, of the support, meanwhile, a motor is fixedly arranged on the end face of the support, a square rod is fixedly connected to the end of an output shaft of the motor, a square sleeve is arranged on the outer wall of the square rod in a sleeving mode, a scrubbing brush is fixedly installed on the end face of the square sleeve, and a sleeve is fixedly connected to the outer wall of the side of the square sleeve; and the inner wall of the sleeve is movably connected with a clamping rod. The explosion-proof magnetic suction device is convenient for cleaning dust on the surface, so that the dust is prevented from interfering with the use of the device, and the practicability of the device is improved.

The utility model relates to the technical field of filtering water tanks, and discloses a cutting fluid filtering water tank for a machining center, which comprises a tank body, a liquid inlet pipe is arranged at the top of the tank body, a drain pipe is arranged on one side of the tank body, and a placing box is slidably connected to one side of the tank body and is positioned under the liquid inlet pipe. According to the cutting fluid filtering water tank for the machining center, by arranging a knob, a square rod, a first spring, an inserting rod, an inserting hole, a shaft body, a limiting block, a movable plate and an inserting plate, a user only needs to pull the knob to pull the inserting rod out of the inserting hole, then the knob is screwed to drive the square rod fixed to the knob to rotate, and the square rod is matched with a square groove in the shaft body; when the filter screen plate is placed in the storage box, the shaft body and the limiting block can rotate to be far away from the moving plate, at the moment, the moving plate is pushed by resilience force of the first spring, the inserting plate is pulled out of the inserting groove, fixing of the pulling plate can be relieved, a user can conveniently take the filter screen plate out of the storage box, complex operation steps or tools are not needed, and the maintenance efficiency is improved.

This utility model relates to the field of ceramic production technology and discloses a transportation device for ceramic production. It includes a mobile cart with side plates fixedly connected to both ends of its top. A first placement plate is fixedly connected between the tops of the two side plates. Two placement mechanisms are also provided between the bottoms of the first placement plate and the two side plates. Each placement mechanism includes two U-shaped frames fixedly connected to the adjacent sides of the two side plates. A rectangular hole is provided in the middle of each U-shaped frame. Two square rods are fixedly connected between the two ends of each rectangular hole. L-shaped sliders are slidably fitted onto the different ends of the two square rods at the same end. Each L-shaped slider has a square hole that matches the square rod. This utility model significantly reduces the difficulty of operation when users pick up and place ceramic products, making the process easier and more efficient. It allows for flexible movement in production workshops and other settings, adapts to different transportation paths, and improves the flexibility of the transportation process.