83results about How to "Quick installation and fixing" patented technology

The fragmented tower drum assembling system comprises a splicing device, the splicing device comprises a rack, a lower-layer support is arranged on the lower side in the rack, a plurality of first jacking devices are installed in the middle of the lower-layer support at intervals in the length direction of the rack, and first conveying assemblies are installed at the tops of the first jacking devices; supporting bases are fixedly arranged on the portions, located on the two sides of the first jacking device, of the lower-layer support correspondingly, a plurality of lifting carrier roller assemblies are installed on the supporting bases, gear motors are installed at the two ends of the top of the rack correspondingly, rotating discs are installed at the output ends of the gear motors, and a plurality of tensioning limiting devices are installed on the rotating discs. The tensioning limiting devices on the rotating disc are used for tensioning and fixing the auxiliary plates at the two ends of the tower drum fragments, so that rapid positioning of the tower drum fragments is achieved, the tower drum fragments are rapidly installed and fixed to the rotating disc, in the splicing process, hoisting equipment is not needed, safety is better, and the splicing efficiency is higher.

This utility model discloses a hobbing shear for strip steel processing, comprising a cutter shaft and a blade sleeved on the cutter shaft. Three clamping plates are evenly spaced around the circumference of the cutter shaft. A first groove is formed on the cutter shaft, and a spring telescopic rod is fixedly connected within the first groove. A movable plate is fixedly connected to the telescopic end of the spring telescopic rod. A second groove is formed on the movable plate, and a clamping rod is disposed within the second groove. This utility model uses the clamping plates to limit the movement of the blade on the cutter shaft. The first groove inside the cutter shaft facilitates the support of the movable plate by the spring telescopic rod within the groove. Simultaneously, the vertically movable clamping rod on the movable plate facilitates the positioning of the blade on the cutter shaft, reducing the cumbersome process of fixing the blade with bolts and other fixing components. Therefore, this hobbing shear for strip steel processing can quickly install and fix the blade.

The utility model relates to the technical field of aeration discs, and discloses an aeration disc anti-blocking gas distribution device which comprises a chassis, a connecting pipe is fixedly connected to the bottom of the chassis, a connecting ring is fixedly connected to the outer portion of the connecting pipe, a driven ring is rotationally connected to the left side of the connecting ring, a T-shaped groove is formed in the driven ring, and the T-shaped groove is fixedly connected to the left side of the connecting ring. A linkage ring is rotatably connected to the right side of the connecting ring, a driven plate is rotatably connected to the bottom of the linkage ring, a driven groove is formed in the driven plate, two springs are fixedly connected to the inner wall of the top of the driven groove, a connecting ring is fixedly connected to the bottoms of the two springs, and an anti-blocking assembly is rotatably connected to the top of the base plate. According to the utility model, through threaded connection and an elastic clamping structure, rapid installation and fixation of the device and pipelines with different thicknesses are achieved, the adaptability is strong, the connection is firm, the installation process is simplified, and the applicability is improved.

This utility model discloses a heat sink fixing device for a computer chassis, including a screw mounting platform, an XYZ screw moving component, a screw hole detection camera, and a screw mounting component. The screw mounting platform is located near the chassis conveying assembly. The fixing part of the XYZ screw moving component is fixedly mounted on the screw mounting platform. The screw hole detection camera and the screw mounting component are both fixedly mounted on the output part of the XYZ screw moving component and both mate with the chassis on the positioning and pressing platform of the chassis conveying assembly. The screw hole detection camera detects the position of the screw holes, and then the screw mounting component picks up and installs the screws. This allows for quick and easy fixing of the heat sink inside the chassis, thus achieving automated installation.

The utility model discloses a plant LED lighting lamp of quick assembly can, including lamp shell main part, the inside of lamp shell main part is provided with the mounting groove, the inside embedding installation of mounting groove has LED lamp body structure, between LED lamp body structure and lamp shell main part is detachable structure, the bottom of lamp shell main part is installed with support base, and between support base and lamp shell main part is detachable structure, the front end surface detachable installation of LED lamp body structure has transparent decorative board. The utility model discloses through embedding installation fixed in the inside of lamp shell main part with LED lamp body structure, through the quick jointing of the clamping block and the slot structure of groove structure, has the advantage that installation dismounts convenient and fast, adopts screw groove structure simultaneously, can carry out quick alignment fixed with transparent decorative board and LED lamp body structure, and the bolt reinforcing connection between lamp shell main part and support base is realized, realizes the quick assembly fixed of whole plant LED lighting lamp, has the advantage that the assembly forming speed is fast.

The utility model provides a medical oxygen generator's noise reduction device, the medical oxygen generator's noise reduction device includes Y-type air inlet pipe, Y-type air inlet pipe includes straight pipe portion and Y-type pipe portion, straight pipe portion one end is connected with the second slip pipe of Y-type pipe portion, straight pipe portion one end is equipped with the first slip pipe that connects with the Y-type pipe portion, the first slip pipe is equipped with the second slip pipe, the second slip pipe is equipped with the second slip pipe, and the second slip pipe is equipped with the second slip pipe. The second sliding pipe is sleeved with the first sliding pipe in a sliding mode, a buffering corrugated pipe part is integrally formed on the first clamping ring, and the other end of the buffering corrugated pipe part is connected with the second clamping ring on the straight pipe part. When airflow enters and gathers along the two pipe ends of the Y-shaped pipe part, the second sliding pipe and the first sliding pipe can slide when the airflow gathers and impacts, and the buffering corrugated pipe part can play a role in damping and buffering, so that vibration noise generated by airflow gathering is reduced, and the service life of the air conditioner is prolonged. A plurality of lubricating oil storage annular grooves used for being filled with solid lubricating oil are formed in the inner wall of the first sliding pipe, so that sliding between the first sliding pipe and the second sliding pipe is smoother, and noise generated by sliding is avoided.

The utility model discloses a new -type stepping motor structure is internally provided with stator subassembly, rotor subassembly in its motor shell, and the motor rotating shaft is arranged in the core part of rotor subassembly, and the front bearing hole position of the front bearing seat of motor shell front side is internally provided with the front ball bearing, and the motor rotating shaft is rotatably connected with the front bearing seat through the front ball bearing, the rear bearing hole position of the rear bearing seat of motor shell rear side is internally provided with the rear ball bearing, and the rear end of motor rotating shaft is rotatably connected with the rear bearing seat through the rear ball bearing, and the front end of motor rotating shaft penetrates the front bearing hole position and extends to the front end side of front bearing seat, and the front end of front bearing seat is provided with cylindrical connecting portion, and the cylindrical connecting portion is the integral structure with front bearing seat, and the outer circumferential surface of cylindrical connecting portion is provided with outer thread, and the front bearing hole position extends to the inside of cylindrical connecting portion, and the compression spring is arranged in the rear side of front ball bearing in the front bearing hole position. Through the above structure design, the utility model has the advantages of novel design, compact structure and convenient and fast installation.

The utility model discloses a kind of quick installation's photovoltaic module fixed structure and photovoltaic system, it is related to photovoltaic technical field, wherein photovoltaic module fixed structure includes guide rail and the pressure block fixture that will photovoltaic module be fixed on guide rail, the guide rail is equipped with fixed groove, the lower part of the pressure block fixture is equipped with buckle, the lower part of the pressure block fixture inserts fixed groove, and fixed by buckle and fixed groove, the upper part of the pressure block fixture is equipped with the pressure head for pressing photovoltaic module frame.In the fixed buckle and fixed groove are completed simultaneously, the pressure head of the upper part of the pressure block fixture is pressed on photovoltaic module frame, without using pressure block bolt or other fastener, photovoltaic module can be quickly installed and fixed.

This utility model relates to the field of glass door handle technology, and discloses a bathroom glass door handle, including an L-shaped post. Multiple slots are equidistantly arranged on the front side of the L-shaped post. Insert blocks are slidably connected inside each of the slots. Clamping plates are fixedly connected to the front ends of each of the insert blocks. A pre-drilled hole is provided in the middle of the front side of the L-shaped post. A bolt is rotatably connected to the front side of the clamping plate. The rear end of the bolt passes through the clamping plate and is rotatably connected inside the pre-drilled hole. Sliding grooves are provided on the rear outer walls of each of the insert blocks, and springs are fixedly connected inside each of the sliding grooves. In this utility model, the position of the clamping plate is adjusted by sliding the insert blocks within the slots to adapt to glass doors of different thicknesses. After the spring is compressed and retracted, the insert blocks are fully inserted. A limiter engages with the groove under the spring force. Then, rotating the bolt pushes the clamping plate within the pre-drilled hole to clamp the glass door, enabling quick and easy installation and fixing of the handle.

This utility model provides a wheat irrigation device, belonging to the field of agricultural irrigation technology. The device is characterized by comprising an irrigation main pipe and a water distribution component. The irrigation main pipe is a hollow water pipe with an inlet connected to the bottom of its side wall and the top connected to the water distribution component. The water distribution component is used to rotate and distribute the water in the irrigation main pipe. The water distribution component includes a water distribution connecting rod and a water distribution turntable. The turntable is a cylindrical structure with a hollow interior, and has outlets on its side wall and bottom. The water distribution connecting rod is located at the center of its bottom. The connecting rod is also cylindrical and its bottom is nested within the inner wall of the top of the irrigation main pipe, rotatably connected to it. The connecting rod has a water distribution structure inside, used to divide the water flow into multiple streams. This utility model requires no additional energy and can irrigate wheat through rotation, facilitating agricultural operations.

This utility model relates to the field of microwave technology and discloses a microwave transmitter module, including a metal housing, an internal base plate, an L-shaped plate on the base plate, fixing bolts on the L-shaped plate, and several positioning holes on the upper side of the base plate. A transmitting assembly is mounted on the base plate, an antenna is mounted on the right side of the metal housing, and a mounting assembly is located on the front side of the metal housing. An inner shielding layer is installed inside the metal housing, and an outer shielding layer is located inside the inner shielding layer. Heat dissipation fins are mounted on the upper side of the metal housing. In this utility model, by adjusting the position of the L-shaped plate, microwave oscillators of different lengths can be quickly and accurately installed and fixed, meeting diverse usage needs. Furthermore, the disassembly process is clear during microwave oscillator maintenance, greatly improving maintenance efficiency.

The utility model discloses a kind of landslope anti-landslide structures, including landslope slope body, first concrete dike, second concrete dike and side slope protection net, the upper cement drainage ditch is opened in the top of landslope slope body, the fixed pressing plate is attached to the upper end of side slope protection net, and fixed pressing column for positioning is set on side slope protection net, fixed pressing column is composed of fixed connecting rod, fixed pressing block and anti-escape pin combination.The landslope anti-landslide structure, rainwater on the landslope slope body can be promptly discharged outward, prevent rainwater from causing impact to the soil of landslope slope body surface to cause soil erosion, side slope protection net is laid on landslope slope body, can block the soil on the surface of landslope slope body, fixed pressing plate is combined to side slope protection net and is pressed tightly positioned, it is convenient to the quick installation and fixation of side slope protection net, the two sides of side slope protection net can be effectively prevented and are raised upwards.

The utility model discloses an embodiment of motor structure can eliminate axial assembly gap, including stator unit, rotor unit, washer subassembly, the stator unit cover in rotor unit one end, the stator unit with the rotor unit surrounds and forms the accommodation cavity, washer subassembly includes the bearing piece of cover in rotor unit one end, installs the bearing cover plate on stator unit, is fixed in the wave washer between bearing piece with bearing cover plate, bearing piece, wave washer is located in the accommodation cavity. The utility model discloses through the assembly mode of bearing piece rear loading, realizes the reservation of axial space required by wave washer, reaches the purpose of eliminating axial gap, can realize quick assembly simultaneously.

This utility model discloses a netball and badminton large coil string shearing machine, including a workbench. Four legs are fixedly installed at the bottom of the workbench, and two large coil string supports are fixedly installed at the top of the workbench. Netball and badminton large coil strings are movably installed between the two supports via positioning pins. Two support rods are fixedly installed at the top of the workbench, and an anti-skip string device is movably installed at the top of each support rod. A meter counter and a meter display are fixedly installed at the top of the workbench, and a fixed plate is fixedly installed at the top of the workbench. A support frame is fixedly installed on one side of the fixed plate, and a rotator is fixedly connected to one side of the support frame. One end of the rotator's movable shaft passes through the support frame and is fixedly connected to a take-up reel. This netball and badminton large coil string shearing machine solves the problem of stringers often relying on rulers during the stringing process, which easily leads to string tangling, greatly improving the stringer's work efficiency.

The utility model provides a moisture-proof antibacterial wallboard which comprises a fixed board body, a plurality of guide rails are arranged on the front side of the fixed board body, a wallboard body is arranged between the guide rails in a sliding mode, a plurality of first insertion openings are formed in the wallboard body, a plurality of second insertion openings are formed in the guide rails, and insertion columns are arranged in the wallboard body through a driving module. The driving module is used for driving the insertion column to move. The first insertion opening and the second insertion opening are matched. According to the moistureproof and bacteriostatic wallboard, when the wallboard body needs to be disassembled, replaced and installed, the wallboard body needing to be replaced can be rapidly and stably disassembled, a new wallboard body can be installed and fixed, and the moistureproof and bacteriostatic wallboard is convenient for personnel to use.

The utility model discloses a dental oral cavity CT patient positioning adjustable head support, which comprises a CT machine main body, the front surface of the CT machine main body is provided with an installation structure in an embedded manner, the front surface of the installation structure is provided with a control panel in an embedded manner, the lower parts of the two side surfaces of the installation structure are fixedly provided with fixing structures, and the lower parts of the two side surfaces of the installation structure are respectively provided with an adjusting structure. The CT machine comprises a CT machine main body, the CT machine main body comprises a shell, a connecting rod, an L-shaped rod, sliding grooves, a mounting groove, an embedding groove, a first screw hole, a second screw hole and bolts, the sliding grooves are formed in the front surface of the shell, the number of the sliding grooves is two, and the mounting groove is formed in the lower surface of the shell. Mounting grooves are formed in the positions, located behind the sliding grooves, in the shell, and mounting grooves are formed in the positions, located below the sliding grooves, of the front surface of the shell. According to the adjustable head support for positioning the dental cavity CT patient, the head support can be quickly disassembled and assembled, the position of the head support can be adjusted, and the flexibility is high.

The utility model discloses a cutter group structure of an underwater plastic particle cutting device, which relates to the technical field of plastic processing equipment and comprises a moving plate and a cutter head, a motor is fixedly mounted at the upper end of the moving plate, a driving shaft is fixedly mounted at the output end of the motor, one end of the driving shaft is welded with a connecting seat, and the other end of the driving shaft is welded with the cutter head. The cutter head is inserted into the side, away from the driving shaft, of the connecting base. By the adoption of the structure, the blade is inserted into the limiting groove of the tool apron in a limited mode, after the blade is inserted into the limiting groove, limiting of the blade can be directly achieved, the clamping hole corresponds to the inserting rod in position, then the installation plate is inserted into the inserting groove of the tool apron, and meanwhile the inserting rod on the installation plate can be inserted into the clamping hole of the blade through the penetrating hole. And finally, the mounting plate is fixed on the tool apron through a second mounting bolt, and during disassembly, only the second mounting bolt and the mounting plate need to be taken down, so that the blade can be quickly disassembled, assembled and replaced conveniently.

The utility model provides a plant growth lamp, and relates to the technical field of plant light supplement. The plant growth lamp comprises a planting pot, the planting pot is provided with a rotating mechanism, the rotating mechanism comprises a round frame, the round frame is provided with a first sliding cavity, the round frame is rotationally connected with a gear ring, and the round frame is provided with a servo motor. According to the plant growth lamp, a servo motor is controlled to rotate, so that a rotating rod is driven to rotate, a gear is driven to rotate, a gear ring is driven to rotate, a first daylight lamp is driven to rotate, a second daylight lamp is driven to rotate around a planting pot, and the first daylight lamp and the second daylight lamp irradiate plants more uniformly; the purpose of uniform light supplement is achieved, the problems that when the device is used, an operator needs to continuously change the irradiation angle of a fluorescent lamp, the phototaxis characteristic of plants is avoided, time and labor are wasted in the process, and operation cost is increased are solved, and use convenience of the device is achieved.

The utility model discloses a fixing device for a guide plate loading test, which belongs to the technical field of automobile manufacturing equipment and comprises a bottom frame, a mounting frame is fixedly connected to the top of the bottom frame, a plurality of fastening mechanisms I and fastening mechanisms II are arranged on the edge of one side of the mounting frame, and the fastening mechanisms I and the fastening mechanisms II are fixedly connected with the mounting frame. A plurality of third fastening mechanisms and a plurality of fourth fastening mechanisms are arranged on the edge of the other side of the mounting frame, the first fastening mechanisms and the second fastening mechanisms can be matched with the supporting seats to fix workpieces with the inner sides facing outwards, and the third fastening mechanisms and the fourth fastening mechanisms can be matched with the supporting seats to fix workpieces with the outer sides facing outwards. The guide plates of different models can be rapidly installed and fixed, the overall fixing stability is improved, and the problems that a traditional bolt fastening type installation mode is complex in operation and poor in adaptability, and a sliding rail structure is prone to displacement due to vibration in a high-speed test, so that test data are distorted are solved.

This utility model relates to the field of bridge construction technology, specifically a movable construction basket, including a main frame and a stabilizing mechanism. The main frame has a sliding groove and multiple linearly arrayed positioning holes. A movable frame is slidably connected inside the sliding groove, a connecting frame is mounted on the movable frame, and a toolbox is mounted on the connecting frame. The stabilizing mechanism includes a push block mounted on the movable frame, a fixed plate mounted on the push block, a frame mounted on the fixed plate, a limiting rod slidably connected to the frame, a convex ring coaxially mounted on the limiting rod, first springs with their ends respectively mounted on the convex ring and the frame, two symmetrically distributed stabilizing sliders on the convex ring, and a first handle mounted on the top of the limiting rod. This utility model not only allows for quick fixing of the toolbox but also enables adjustment of the toolbox's position, facilitating worker access to tools and improving the practicality of the basket.

The utility model relates to a clothes processing device. The clothes processing device comprises a box body, a cylinder assembly, a mounting seat, a first filtering device and a second filtering device, the first filtering device comprises a collecting box and a filter screen assembly; a flock collecting cavity is formed in the collecting box, an air inlet is formed in one end of the collecting box, an air outlet is formed in the side wall, close to the two device cavities, in the collecting box, and the second filtering device is arranged between the air outlet and the two device cavities; the second filtering device comprises a filtering frame and a filtering net unit, a collecting groove is formed in the side wall, facing the air outlet, of the filtering frame, the collecting groove is located below the filtering net unit, and air flowing out of the air inlet can sequentially flow through the air inlet, the flock collecting cavity and the air outlet, is sequentially filtered through a filtering net assembly and the filtering net unit and then flows into the two-device cavity. The second filtering device is additionally arranged to form a secondary filtering structure, soft flocks or thread flocks with smaller sizes in the drying process can be filtered, the filtering effect on the soft flocks or the thread flocks is improved, and then the drying efficiency of the whole machine can be improved.

The utility model discloses a range finder for building engineering supervision relates to building engineering surveying technical field, including support pole, adjusting lever and organism, adjusting lever sets up in the inside of support pole, and upper end extends out support pole, and with support pole swing joint, organism sets up in adjusting lever upper end. The utility model discloses through setting up support pole, adjusting lever, organism, quick fixing device, butt -joint cylinder, baffle ring, self -locking assembly, controlling piece, butt -joint piece, rubber antiskid pad, spacing sliding slot and spacing slide's cooperation and use, have improved or solved the RTK measuring instrument of existing to a certain extent when installing and connecting with its adjusting lever is more troublesome, needs repeatedly rotating, installs and connects through the cooperation of screw thread, this not only time -consuming, influences its installation and subsequent disassembly and storage's work efficiency, and long -term screwing or screwing skewing over force, also easy to cause the problem of silk damage equipment.

This invention relates to a rapid clamping and self-adjusting distance pipe welding track device, belonging to the technical field of pipe welding robots. The rapid clamping and self-adjusting distance pipe welding track device includes: a segmented rapid clamping track, comprising a first track segment, a second track segment, and a third track segment arranged circumferentially along the pipe to be welded, wherein the first track segment is movably connected to the second and third track segments respectively, forming a clamping cavity for clamping the pipe to be welded; an opening adjustment unit, comprising a first driving component and a second driving component, wherein the two ends of the first driving component are respectively connected between the first track segment and the second track segment; and an axial adjustment unit detachably disposed between the segmented rapid clamping track and the pipe to be welded. Beneficial effects: It enables the rapid clamping and positioning of the track for the pipe to be welded, and the adjustment of its axial and radial relative positions.

This utility model discloses a blade ring locking type bearing temperature sensor, aiming to solve the problems of high processing difficulty, poor compatibility when installed on bearings, and complex sensor installation of traditional temperature sensors. The blade ring locking type bearing temperature sensor of this utility model includes a sensor body, a blade ring, and a locking assembly. The blade ring is sleeved on the sensor body and disposed within the locking assembly, which is sleeved on the sensor body. The locking assembly is connected to the temperature measuring hole of the bearing, and the end face of the sensor body abuts against the inner wall of the temperature measuring hole. By pressing the blade ring with the locking assembly, the sensor body can be quickly installed and fixed, simplifying the sensor body installation process and improving the efficiency of installation and maintenance. The position of the sensor body relative to the locking assembly and the temperature measuring hole of the bearing is adjustable, reducing the processing precision requirements of the sensor body and the temperature measuring hole of the bearing, and improving the versatility of the sensor body.

The utility model relates to the technical field of stamping dies, and discloses a stamping die with a replaceable stamping die head, which comprises a base, the top of the base is fixedly connected with a supporting column, the top of the supporting column is fixedly connected with a supporting plate, the top of the supporting plate is fixedly connected with a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected with a sliding plate. The sliding plate is slidably connected to the outer wall of the supporting column, a connecting frame is fixedly connected to one side of the sliding plate, a stamping head is slidably connected to the interior of the connecting frame, a buckle assembly is arranged in the connecting frame, and the buckle assembly is used for clamping a stamping die head; the buckle assembly comprises a sliding column and a bevel edge block. According to the stamping die head, the connecting rod is pulled to drive the sliding column to move upwards, so that the effect of rapidly installing and fixing the stamping die head is achieved, the problem that a traditional stamping die head is fixedly installed on stamping equipment and cannot be rapidly installed and disassembled is solved, and the practicability of the stamping die equipment is improved.

This utility model relates to a processing device for an engine hood hinge mounting plate, comprising: a mounting platform with a threaded mounting hole at its top; a connecting mounting frame fixedly mounted on the top of the mounting platform; a connecting electric telescopic rod fixedly mounted on the top of the connecting mounting frame; a connecting lower pressure block fixedly mounted on the output end of the connecting electric telescopic rod; a connecting hydraulic rod fixedly mounted on the top of the connecting mounting frame; and a connecting bending head fixedly mounted on the output end of the connecting hydraulic rod. Through the coordinated use of a fixed limiting mechanism, a connecting forming module, and a connecting pushing mechanism, after the hinge body is bent, the connecting pushing mechanism and the connecting forming module work together to automatically unload the hinge body. The fixed limiting mechanism can quickly install and fix the connecting forming module.

This invention discloses an insulated extension arm, relating to the technical field of high-voltage transmission line maintenance equipment. The insulated extension arm includes: an insulated fixing mechanism; a drive mechanism mounted on the insulated fixing mechanism for generating torque; a transmission mechanism mounted on the insulated fixing mechanism and connected to the drive mechanism; and a mounting mechanism mounted on the insulated fixing mechanism. The mounting mechanism includes a linkage unit and a snap-fit ​​unit for mounting the high-voltage electrical work device. When the high-voltage electrical work device is mounted on the mounting mechanism via the snap-fit ​​unit, the torque generated by the drive mechanism can be transmitted to the high-voltage electrical work device through the transmission mechanism and the linkage unit. The insulated extension arm of this invention can transmit power to the end-effector and has good insulation performance, protecting the safety of workers.

The utility model discloses a portable permanent magnetic chuck, which relates to the technical field of permanent magnetic chucks and comprises a chuck base and a connecting seat in butt joint with the upper end of the chuck base. An embedded magnetic plate is embedded in the connecting seat, a butt joint cylinder is fixedly mounted at the end, away from the suction cup base, of the connecting seat, an outer mounting cylinder is arranged on the outer side of the butt joint cylinder, and a magnetic panel is fixedly mounted at the end, away from the suction cup base, of the outer mounting cylinder. According to the portable permanent magnetic chuck, the permanent magnetic chuck is conveniently fixed and limited through the square limiting frame, and the mounting position of the square limiting frame can be changed by utilizing the threaded cylinder, so that the permanent magnetic chuck is convenient to carry and use, and the use convenience of the permanent magnetic chuck is improved; the magnetic sliding plate is arranged, the adsorption area of the upper end of the permanent magnetic chuck can be changed through movement of the magnetic sliding plate, the use convenience of the permanent magnetic chuck is improved, the permanent magnetic chuck is suitable for adsorption of metal pieces of different shapes, and the use convenience of the permanent magnetic chuck is improved.

The utility model relates to the technical field of valves, in particular to an impact-resistant flat valve which comprises a valve plate body, a clamping groove formed in one end of the valve plate body, a through hole formed in one end of the valve plate body, insertion grooves symmetrically formed in the two ends of the valve plate body, impact-resistant combined plates inserted into the insertion grooves, and an operation groove formed in one end of the valve plate body. First threaded holes are symmetrically formed in the two ends of the operation groove, and the first threaded holes are in threaded connection with bidirectional fixing screws; according to the impact-resistant flat valve, the inserting grooves are formed in the two sides of the valve plate body of the flat valve, the impact-resistant combined plates are inserted into the inserting grooves, each impact-resistant combined plate is composed of the steel base plate, the honeycomb metal buffer layer and the tungsten carbide alloy surface layer, and the tungsten carbide alloy surface layers have high impact-resistant strength; the honeycomb metal buffer layer and the buffer rubber block inserted into the valve plate body can well buffer impact force so as to reduce damage caused by the impact force, and the impact-resistant combined plate can be conveniently and rapidly installed and fixed through the arranged two-way fixing screw rod and the spring.

The utility model relates to the technical field of accessories for sectional material assembly, and discloses a corner connector sectional material which comprises a first glass door sectional material, a first oblique angle is arranged at the right end of the first glass door sectional material, and a corner connector sectional material body is connected to the inner wall of the first glass door sectional material in a sliding mode. The outer wall of the corner brace sectional material body is connected with a second glass door sectional material in a sliding mode, a second oblique angle is arranged at the lower end of the second glass door sectional material, the first oblique angle of the first glass door sectional material is attached to the second oblique angle of the second glass door sectional material, and the inclination angle of the first oblique angle and the inclination angle of the second oblique angle are set to be 45 degrees. According to the corner brace sectional material, the corner brace sectional material body is inserted into the first glass door sectional material and the second glass door sectional material, the first glass door sectional material and the second glass door sectional material can be attached to form a flat bottom, and therefore the effect of improving the attractiveness and practicability of the sectional materials is achieved.