112results about How to "Achieve fixed position" patented technology

The invention relates to the technical field of semiconductors, in particular to a wafer box loading device providing a nitrogen protection environment and a using method thereof, and the wafer box loading device is composed of a back plate, an electrical control module, a driving module, a cover opening module, a nitrogen protection cavity, a positioning assembly, an unlocking assembly, a cover pressing assembly, a sealing ring and a sealing bag body. By arranging the nitrogen protection cavity, a protection cavity can be formed between the nitrogen protection cavity and the back plate, and under the synergistic effect of the pressing block, the sealing ring, the sealing bag body, the air inlet and outlet assembly and the nitrogen source, the sealing performance of the protection cavity formed between the nitrogen protection cavity and the back plate can be effectively improved; in addition, the nitrogen content in the protection cavity can be guaranteed, so that the protection cavity achieves a clean effect, a nitrogen protection environment is provided for the uncovered wafer, the uncovered wafer is prevented from being influenced by the external environment, and the safety is improved.

The invention relates to the technical field of bridge pile foundation reinforcing parts, in particular to a bridge pile foundation protection device for bridge construction, which comprises a hollow enclosure cylinder, and two ends of the enclosure cylinder are opened and form a forming cavity for forming a bridge pile foundation; the inserting cylinder and the enclosure cylinder are fixed in an inserting mode, and a fixing opening is formed after the inserting cylinder and the enclosure cylinder are connected in an inserting mode; the fixing blocks are embedded in the fixing openings, inclined supporting cylinders are connected to the fixing blocks, the inclined supporting cylinders are hollow, inner cavities of the inclined supporting cylinders communicate with inner cavities of the enclosure cylinders, and a plurality of discharging holes are formed in the inclined supporting cylinders; the blocking units are used for blocking the discharging holes and are connected with the inclined supporting cylinder; the bridge pile foundation has the effects that the forming cavity used for pouring and forming the bridge pile foundation can be formed through the enclosure cylinder and the inserting cylinder, grouting reinforcement on soil on the periphery of the bridge pile foundation can be formed through the inclined supporting cylinder after concrete grouting is completed and the concrete is solidified, lateral supporting of the bridge pile foundation is formed, and the position stability of the bridge pile foundation is guaranteed.

The utility model discloses an MPP pipe discharging device. A bottom support is provided with a matched central axis extending in the first direction. A V-shaped structure is arranged on the bearing assembly; the bearing assembly is rotationally arranged around the matched central axis and is provided with a bearing position enabling the open end of the V-shaped structure to face upwards and a deflection position far away from the bearing position. The downward pressing arm is hinged to the bottom support and is provided with a downward pressing position enabling the downward pressing end and the V-shaped structure to form vertical limiting fit at the bearing position and a separation position enabling the downward pressing end to be far away from the V-shaped structure at the bearing position; the lifting assembly is movably arranged up and down and has an ascending position and a descending position; the lifting assembly is provided with an extending piece matched with the contact end of the lower pressing arm up and down. At the rising position, the extension piece abuts against the contact end of the downward pressing arm up and down and drives the downward pressing arm to move to the downward pressing position. The MPP pipe can be quickly positioned and fixed, the cut MPP pipe can be quickly discharged, and the continuous cutting operation requirement of the MPP pipe is effectively met.

The utility model discloses a universal submarine optical cable connector box which comprises an upper box cover and a lower box cover, two ends of the upper box cover and two ends of the lower box cover are respectively provided with a plurality of semi-spherical holes, a same ball shaft is rotatably installed in every two semi-spherical holes corresponding in position, one end of each ball shaft is connected with a threading pipe, the outer wall of one end of each threading pipe is provided with an external thread, and the outer wall of the other end of each threading pipe is provided with an external thread. According to the utility model, an optical fiber passes through the threading pipe and the ball journal, and the light is locked in the threading pipe through the sleeve, so that the positions of the ball journal and the sleeve on the light are fixed, and after the ball journal and the sleeve are combined through the upper box cover and the lower box cover, the light can be fixed in the threading pipe. The ball hole is formed by the two semispherical holes, so that the ball shaft can be freely adjusted in the ball hole under the action of external force, the hard impact of seabed ocean current on the connecting part of the connector box and the optical fiber is relatively reduced, and the problem that the optical fiber is bent and broken is avoided.

The invention discloses an unmanned aerial vehicle for detecting thermal performance defects of an enclosure structure, and relates to the relevant field of unmanned aerial vehicles. In order to solve the problem in the prior art that the existing detection mechanism is difficult to be attached to the enclosure structure during detection, a detection box is arranged on the chassis body, and the detection box is arranged to be rotatably connected with the chassis body. The front and rear ends of the detection box are both arranged with rotating rings, and the rotating rings are arranged in a circular ring shape. The rotating rings are arranged to be rotatably connected with the chassis body. A third motor shaft is arranged on the rotating ring, and a plurality of third motor shafts are arranged. The third motor shaft and the rotating ring are arranged to be fixedly connected. A third motor is arranged on one side of the third motor shaft, and the number of the third motors is arranged to be consistent with the number of the third motor shafts. The third motor is connected to the third motor shaft through a coupling, and a partition is arranged on one side of the third motor.

The utility model relates to the technical field of building construction, in particular to a steel bar positioning structure for building construction. A motor is fixed to the surface of the base. The arc-shaped surface of the end of the motor is sleeved with a transmission belt. A fixing plate is fixed to the surface of one side of a vertical plate. A guide rod is inserted into the fixing plate in a penetrating mode. The arc-shaped surface of one end of the guide rod is fixedly provided with a transmission block. The device has the beneficial effects that the springs can push the clamping plates to clamp a reinforcing steel bar, one-time positioning of the reinforcing steel bar is achieved under clamping of the multiple sets of clamping plates, then the motor is started, the guide rod rotates to drive the movable clamping blocks to move in the opposite direction, the movable clamping blocks clamp the reinforcing steel bar, and the reinforcing steel bar is clamped through the movable clamping blocks. Secondary positioning of the reinforcing steel bars is achieved, positioning and fixing of the reinforcing steel bars are achieved, and errors of reinforcing steel bar positioning caused by manual operation are prevented.

The utility model discloses an automobile magnetic switch with an adjustable mounting angle block, which comprises a magnetic switch body, a connecting angle block is fixedly mounted at the bottom of the magnetic switch body, and a first mounting angle block and a second mounting angle block are respectively mounted on two sides of the surface of the connecting angle block in a sliding manner. According to the utility model, the structure design that the installation angle blocks of the switch are adjustable is adopted, when the magnetic switch is installed, the fixed angle blocks at the two sides can be adjusted towards the two sides, and the installation angle blocks at the two sides can be adjusted towards the two sides. Therefore, the assembly holes in the switch can be adjusted and aligned with the assembly holes in the equipment, a user can conveniently insert and connect the assembly bolts, holes do not need to be re-punched in the equipment, adapters do not need to be additionally arranged, the adaptability of the switch is improved, the assembly efficiency of the switch is improved, and convenience is provided for working and using of the user.

The invention belongs to the technical field of compaction method foundation treatment, and particularly relates to a compaction method foundation treatment inter-pile soil sampling device which comprises a cylinder, a conical cylinder, a positioning cylinder, a sampling cylinder and a cutter, a plurality of guide holes are evenly distributed in the circumference of the cylinder, and the positioning cylinder is slidably arranged in the guide holes; a sampling barrel is arranged on the inner wall of the positioning barrel in a sliding manner; a plurality of guide blocks are evenly distributed on the circumference of the conical cylinder, sliding grooves are formed in the guide blocks, and the cutters are arranged in the sliding grooves in a sliding mode. The bottom sides of the cutters are in one-to-one correspondence with the sampling barrels; a plurality of positioning barrels extend out of the cylinder and abut against the inner wall of the exploratory well, a tip slope is arranged at one end of the sampling barrel, and after the sampling barrel is inserted into the inner wall of the exploratory well, the cutter is obliquely and downwards inserted into the soil body and coincides with the tip slope, so that a soil sample in the sampling barrel is cut off from the rear soil body. According to the device, the sampling device can be positioned and fixed, sampling and sample breaking can be rapidly carried out, samples can be conveniently taken out, and the sampling efficiency in an exploratory well is greatly improved.

The application discloses a pipeline welding support device, which comprises a pushing unit, a pressing plate, an insertion block connected with the pressing plate, a floating sleeve arranged on the inner side of the pressing plate, and an elastic sheet arranged in the floating sleeve; an extrusion unit is arranged for pushing the pressing plate to move downwards; a push rod is arranged on the inner side of the floating sleeve, a through hole is formed in the inner part of the floating sleeve, and the end of the elastic sheet penetrates into the inner side of the through hole; the end of the push rod is connected with a clamping jaw; a base support is arranged for bearing corresponding pipelines and fixing the position of the pipelines by matching the clamping jaw with the inner wall of the base support; the extrusion unit pushes the pressing plate to move, the insertion block and the elastic sheet can be in contact, the elastic sheet is expanded under pressure and in contact with the inner wall of the through hole, and the position of the push rod and the pressing plate is fixed. The pressing plate is pressed downwards to drive the insertion block to move, the push rod is further driven to move close to the side wall of the pipeline, and the installation gap between the clamping jaw and the pipeline is eliminated, so that the stability of the pipeline clamping is ensured.

The utility model relates to the technical field of anti-radiation screens, and discloses a novel folding type anti-radiation screen for the medical image radiology department, which comprises a first screen and two second screens symmetrically hinged with the left end and the right end of the first screen, and positioning grooves are symmetrically formed in the front sides of the left end and the right end of the first screen. Positioning gears are fixedly mounted in the two positioning grooves, two positioning sliding grooves corresponding to the two positioning grooves in position are formed in the front sides of the ends, close to the first screen, of the two second screens, positioning mechanisms are arranged in the two positioning sliding grooves, and each positioning mechanism comprises two positioning blocks slidably connected to the interiors of the two positioning sliding grooves; the ends, close to the first screen, of the two positioning blocks are clamped to the ends, away from the first screen, of the two positioning gears correspondingly. By arranging the positioning mechanism, the device can fix the second screen at any position, the diversity of the unfolding state of the device is enhanced, and then the applicability of the device is improved.

The invention relates to the technical field of postpartum rehabilitation equipment, in particular to a female postpartum pelvic floor rehabilitation device which comprises a lying plate, a fixing column is fixedly connected to one side of the top of the lying plate, a resistance cavity is formed in the fixing column, a torsional spring is arranged in the resistance cavity, rotating rods are fixedly connected to the two ends of the torsional spring, and leg clamping baffles are fixedly connected to the other ends of the rotating rods. A transmission cavity is formed in the side, close to the fixing column, of the interior of the lying plate, a rotating column is embedded in the bottom of the rotary knob, and the outer wall of the rotating column is in sliding fit with the inner wall of the rotary knob through a T-shaped sliding block and a sliding groove. The bottom of the rotating column penetrates through the bottom wall of the resistance cavity and the top wall of the transmission cavity to be rotationally connected with the bottom wall of the transmission cavity, arc-shaped clamping plates are symmetrically arranged on the top of the lying plate in a sliding fit mode, and push rods are fixedly connected to the outer sides of the arc-shaped clamping plates and provided with driving assemblies. The pelvic bone fixing force is synchronously adjusted according to the training resistance, and the situation that the training effect is affected by pelvic bone deviation caused by body force exerting in the training process is avoided.

The utility model discloses a meter cover clamping jig which comprises a clamping base fixedly installed on an equipment machine head, one end of the clamping base is provided with a clamping table used for positioning and placing a workpiece, the clamping table is provided with a front pull groove, a front pull rod is arranged in the front pull groove in a penetrating mode, the front pull rod can relatively move along the front pull groove, and a rubber mat is installed on the front pull rod. A rear pull groove is formed in the other end of the clamping base, a rear pull rod is inserted into the rear pull groove and communicates with the front pull groove, one end of the front pull rod penetrates into the rear pull groove and is detachably connected with the rear pull rod, one end of the rear pull rod is connected with a rear pull driving piece of the equipment, and the rear pull rod and the front pull rod are driven by the rear pull driving piece to move backwards. The head of the front pull rod extrudes and compresses the rubber mat on the workpiece; through the arrangement of the front pull rod, the rear pull rod and the clamping table, positioning and fixing of the watch cover are achieved, the machining precision and surface quality of the watch cover are effectively improved, meanwhile, the manufacturing cost is reduced, the production efficiency is improved, and the requirements of the watch manufacturing industry for high-quality and high-efficiency machining tools are met.

The utility model provides a novel viscous damper which comprises a viscous damper body, a piston rod is arranged at the end of the viscous damper body, a telescopic length adjusting assembly is arranged on the outer wall of the end of the viscous damper body, and the telescopic length adjusting assembly comprises a bobbin fixed to the outer wall of the end of the viscous damper body. And an insertion hole is formed in the bobbin, a telescopic rod is inserted into the insertion hole, and a limiting block is fixed to the end, penetrating through the interior of the insertion hole, of the telescopic rod. According to the viscous damper, by arranging the telescopic length adjusting assembly, in the using process of the damper, a transmission shaft and a gear can be driven to rotate through a hand wheel, a telescopic rod can be driven to do telescopic movement in an insertion hole of a bobbin under meshing transmission of the gear and a tooth groove, and therefore adjustment of the overall length of the viscous damper is achieved; and after the viscous damper is adjusted to a proper position, a locking nut is screwed on an external thread of the transmission shaft, so that braking of gear rotation is realized, and positioning and fixing after the overall length of the viscous damper is adjusted are realized.

The utility model discloses a PICC (Peripherally Inserted Central Catheter) fixing device which comprises a pipe joint and a needle seat arranged on the pipe joint, a limiting groove is formed in one side of the needle seat, a binding tape is arranged in the limiting groove, an application is arranged on the binding tape, a pressure pad is arranged on the other side of the needle seat, and the pressure pad is arranged on the other side of the needle seat. The binding belt can be limited through the limiting groove formed in the needle base, anti-deviation fixing of the needle base can be achieved, in addition, soft attachment of the needle base and the outer surface of the skin can be achieved through the pressing pad, and the air permeability of the needle base and the skin can be improved through the air holes.

The invention provides an electronic force measuring device convenient and rapid in statistics, and relates to the technical field of sports force measurement, the electronic force measuring device comprises a combined outer box, the right side of the combined outer box is a rotary door opening structure; a vertical groove is formed in the middle of the front side of the combined outer box, a first lead screw is rotationally arranged in the vertical groove, a first motor used for driving the first lead screw is fixedly arranged above the front side in the combined outer box, and the first motor and the first lead screw are in transmission connection with a bevel gear set; the lifting seat is in threaded connection with the first lead screw; the lifting and falling seat is arranged, the function of adjusting the force measuring height is provided, the lifting and falling seat can be driven to move up and down for adjustment through thread transmission, threads have self-locking performance and can be automatically fixed, the handheld rod can provide the push-pull function, the sliding frame can be driven to move integrally by pulling the handheld rod with force, the pulling force can be measured, and the sliding frame can be pushed forwards in the reverse direction. The problem that an existing device lacks a height adjusting and force measuring function is solved.

The utility model belongs to touch -sensitive screen laminating technical field's touch -sensitive screen laminating prevents the device of gold finger scratch. Including device body (1), be provided with open area (2) on device body (1), be provided with device through -hole (3) on the device body (1) of open area (2) periphery, be provided with device placement recess (5) on laminating machine mesa (4), device placement recess (5) bottom surface sets up vacuum through -hole (6), when the touch -sensitive screen laminating prevents the device of gold finger scratch is clamped in device placement recess (5), every device through -hole (3) and a vacuum through -hole (6) position correspond. The utility model discloses the touch -sensitive screen laminating prevents the device of gold finger scratch, simple structure, ensure that touch -sensitive screen gold finger part will not contact with any material in touch -sensitive screen laminating process, effectively solve gold finger scratch problem, improve the yield of touch -sensitive screen, and dismount and install easy, will not influence production efficiency.

The utility model relates to the technical field of machining, and provides a water pump outlet box cover machining tool which is characterized by comprising a connecting plate, a bottom plate, an upper plate, a V-shaped block, a locking screw, a baffle, a reinforcing rib, a hexagon socket head cap bolt and an outlet box cover. The bottom plate is located below the upper plate, the locking screws are arranged on the upper plate, the baffle is arranged on the upper side of the bottom plate, the hexagon socket cap bolts are fixed between the baffle and the bottom plate, and the reinforcing ribs are arranged on the connecting plate. The V-shaped plate and the locking screw are used for positioning and fixing, the outlet box cover is positioned and fixed, the connecting plate is installed on the positioning plate of the main shaft of the numerical control lathe, and therefore the numerical control lathe can machine the outlet box cover on the fixing plate on the connecting plate, the machining efficiency is improved, the tool cost is reduced, and equipment resources are saved.

The utility model discloses a reinforcing cage welding device, including reinforcing cage frame, welding mechanism and be used for driving the mobile mechanism of welding mechanism and move to the welding mechanism of reinforcing cage each welding position, and welding mechanism includes telescopic welding part and be used for the positioning assembly of reinforcing bar positioning, and the positioning assembly includes the hook claw of can be hooked tightly or release reinforcing bar and telescopic dog, is equipped with the clamping groove on the dog, and the clamping groove is towards hook claw arrangement. When working, the longitudinal reinforcement, cross muscle for making reinforcing cage is placed on reinforcing cage frame, and the mobile mechanism drives the welding mechanism and moves to the welding position of reinforcing cage, and the hook claw first hooks tightly reinforcing bar, then the dog and welding part extend, and the clamping groove of dog clamps reinforcing bar, thereby realizes the positioning fixation of reinforcing bar, and finally welding part starts and completes welding. After completing welding, welding part stops and retracts, and the dog retracts and separates from reinforcing bar, and finally the hook claw releases reinforcing bar, and manual welding or bandaging is not needed, and the degree of automation is high, and the efficiency is high, and can be used for complex shape reinforcing cage processing.

The utility model belongs to the technical field of commodity display cabinets, and particularly relates to a combined commodity display cabinet which comprises a base, a driving motor and a storage mechanism, the driving motor is fixedly installed at the bottom of the base, and the bottom of the storage mechanism and an output shaft of the driving motor are fixedly installed; the multiple universal balls are arranged, the top ends of the multiple universal balls are fixedly connected to the bottom of the storage mechanism, and the bottoms of the multiple universal balls are in rolling connection with the top of the base; the box body is fixedly mounted at the bottom of the base; the transmission assembly comprises a rotating shaft, two lead screws, two bevel gears and two transmission wheels, the left end of the rotating shaft penetrates through the right side of the box body and extends into the box body, rapid switching between moving and braking of the storage mechanism is achieved through a simple structure, the operation process is simple and rapid, efficiency is greatly improved, and the storage mechanism is suitable for large-scale popularization and application. And people can use the device conveniently, and practicability is high.

The application discloses a disc buckle type scaffold self-locking lower support structure and relates to the technical field of scaffolds, which comprises a supporting screw rod and an extension assembly. The extension assembly provides a detachable sleeve shaft structure between the supporting screw rod and a supporting sleeve rod. When thread damage occurs, only the damaged sleeve shaft structure needs to be quickly removed and replaced, thereby reducing maintenance cost and the risk of thread damage failure, and the safety redundancy is higher. The sleeve shaft can be designed as a variable-diameter adaptive structure, which is compatible with multiple specifications of thread sizes, improves adaptive flexibility, and expands the application range. Height adjustment is realized through the threaded connection of the moving sleeve rod and the supporting screw rod. The supporting sleeve rod is inserted into the top of the moving sleeve rod, the limiting sleeve rod is slid into the inside of the supporting sleeve rod, and after the limiting sleeve rod is inserted into the moving sleeve rod, the combination of the moving sleeve rod and the limiting sleeve rod is realized through the penetration connection of the fixing screw, so that the detachable sleeve shaft structure is formed. The connecting disc closes the top of the supporting sleeve rod and provides connection support for other scaffold structures.

The utility model discloses a valve body transfer base with high fitness. The valve body transfer base comprises a fixing module, a lifting module, a supporting seat and universal wheels. Wherein the fixing module comprises a square plate, the upper side of the square plate is fixedly connected with symmetrical lead screw grooves, the two lead screw grooves are internally provided with a set of corresponding sliding blocks respectively, and the corresponding set of sliding blocks are fixedly connected with corresponding first arc-shaped clamping plates respectively. When a valve body needs to be transferred in the machining process of the valve body assembly, the position of the fixing module is adjusted through the lifting module according to the actual use requirement, so that the fixing module is moved to a proper position, the valve body is conveniently placed in the follow-up process, and the working efficiency is improved. A plurality of valve bodies to be transferred are placed between the first arc-shaped clamping plates and the second arc-shaped clamping plates correspondingly, the first arc-shaped clamping plates and the second arc-shaped clamping plates clamp and fix the valve bodies through the fixing modules, positioning and fixing of the valve bodies are achieved, time and labor are saved in the whole operation, and practicability is higher.

The utility model discloses a double-body foldable underwater explorer, which relates to the technical field of underwater operation auxiliary equipment and comprises a floating body component, a platform, an underwater operation cabin, a positionable connecting mechanism, a lifting adjusting mechanism and a control component. The underwater operation cabin is detachably connected with the floating body assembly through the positionable connecting mechanism, the underwater operation cabin can keep the underwater preset depth under the action of the positionable connecting mechanism, and the lifting adjusting mechanism is installed on the platform, connected with the underwater operation cabin in a matched mode and used for driving the underwater operation cabin to ascend and descend so as to switch the operation state and the navigation state. The control assembly is installed on the platform or the floating body assembly. The floating body assembly bearing platform is adopted and matched with the independent underwater operation cabin, underwater preset depth fixing of the operation cabin is achieved through the positionable connecting mechanism, safety and comfort are improved, and production and assembly difficulty and transportation and storage cost are greatly reduced by being detachably folded and matched with the portable wheel set.

The utility model discloses a ground drainage structure for green orange planting, which belongs to the technical field of ground drainage and comprises a drainage ditch plate and lapping plates arranged on two sides of the drainage ditch plate, barrier plates are arranged on the outer sides of the two lapping plates, insertion holes are formed in two ends of the two lapping plates, the cross sections of the two lapping plates are L-shaped, and fixing blocks are arranged at one ends of the inner sides of the two lapping plates. And a positioning assembly matched with the inserting hole is arranged at the end part of the lapping plate. The beneficial effects of the utility model are that through the arrangement of the plug-in hole and the positioning assembly matched with the plug-in hole, the plug-in block penetrates through the plug-in hole and then is inserted into the ground to realize the positioning and fixation of the drainage ditch plate, and through the arrangement of the connecting piece matched with the plug-in block, the connecting plate is slidably inserted between the fixed block and the lapping plate, so that the positioning and fixation of the drainage ditch plate are realized. And then the inserting blocks penetrate through the connecting holes correspondingly, connecting and fixing of every two adjacent drainage ditch plates are achieved, and workers can lay the ground drainage ditch plates section by section conveniently.

The utility model discloses a positioning device for stainless steel processing, which comprises a base, a rotary adjusting component is arranged in the middle of the top surface of the base, a top plate is horizontally fixed in the middle of the top surface of the rotary adjusting component along the transverse direction, and the top plate is driven by the rotary adjusting component to be adjusted and locked horizontally; the two sides of the top face of the top plate are each provided with a distance adjusting assembly capable of transversely sliding, adjusting and locking. The corner positioning device has the beneficial effects that the distance between the corner positioning assemblies on the two sides can be adjusted in the mode that a sliding seat of the distance adjusting assembly slides along an adjusting groove and a pressing stud is screwed to enable an elastic pressing block to be pressed in the adjusting groove, and therefore the distance between the corner positioning assemblies on the two sides can be adjusted; and then the corner positioning assemblies on the two sides can position and fix the corner positions of the stainless steel door and window products with different transverse width dimensions, positioning and fixing of the stainless steel door and window products with different transverse width dimensions are achieved, and the use adaptability is improved.

The utility model discloses a polishing device for electric power iron accessories, which belongs to the technical field of electric power iron accessory processing equipment and comprises a support plate, a clamping component and a polishing disc, the clamping component comprises two extrusion plates and a fixing frame, a processing table is arranged on the bottom surfaces of the two extrusion plates, and the bottom surface of the processing table is welded with the support plate. The two side faces of the machining table are welded to the fixing frame, electric push rods are installed at the two ends of the bottom of the extrusion plate, threaded blocks with reverse threads are welded to the fixing ends of the two right electric push rods correspondingly, the two threaded blocks are in threaded connection with threaded rods with reverse threads, and sliding blocks are welded to the fixing ends of the two left electric push rods correspondingly. The side faces of the two sliding blocks are slidably connected with sliding rods, the inner side wall of the fixing frame on the left portion is fixedly connected with the sliding rods, the inner side wall of the fixing frame on the right portion is rotationally connected with the threaded rod, and the grinding machining quality of the electric power iron accessories is improved by preventing the shielded portions of the electric power iron accessories from being inconvenient to grind and machine.

The utility model discloses an LED (light-emitting diode) spliced screen mounting bracket convenient for heat dissipation, which belongs to the technical field of spliced screen brackets, and comprises a mounting frame for mounting LED spliced screens and a plurality of plug boards with the LED spliced screens on the side surfaces, a plurality of transverse plates which are arranged at equal intervals are welded on the inner side wall of the mounting frame, and limiting rods are welded on the bottom surfaces of the transverse plates through formed grooves. A plurality of movable blocks are slidably connected to the side face of the limiting rod, the two side faces of each movable block are slidably connected with a U-shaped inverted insertion plate, the inner top wall of the insertion plate abuts against the transverse plate, an insertion rod is inserted into the side face of the insertion plate through a formed through groove, a rotating block and a threaded rod are welded to the two end faces of the insertion rod correspondingly, and the threaded rod is in threaded connection with the movable blocks; according to the LED spliced screen installation support, the threaded rod is in threaded connection with the movable block, the position of the insertion plate is fixed, an LED spliced screen is prevented from falling off, and the installation effect of the LED spliced screen through the installation support is improved.

This utility model discloses a cutting device with anti-deviation function, relating to the field of profile cutting technology. It includes a base plate, a fixed frame fixedly installed on the upper end of the outer wall of the base plate, rotating rollers linearly arranged and rotatably connected to the front and rear sides of the inner wall of the fixed frame, a support column fixedly installed on the upper end of the outer wall of the fixed frame, and a top plate fixedly connected to the upper end of the outer wall of the support column. This utility model uses a rubber extrusion roller to move downwards and extrude pressure on the rotating roller, thereby fixing the profile's position on the vertical plane and preventing it from vibrating and shifting vertically when cut by the saw blade. Simultaneously, the drive bars on both sides move closer together, causing the extrusion blocks on both sides to move closer together and extrude pressure on the rotating roller, thus fixing the profile's position on the horizontal plane and preventing it from vibrating and shifting forward and backward. This ensures that the profile can be fixed and prevented from deviating vertically and horizontally during cutting.

The utility model discloses a headphone with a lead storage function, which relates to the technical field of headphones and comprises a left support frame and a telescopic frame, a left connecting block is arranged at the right end of the left support frame, and a right connecting block is connected to the outer wall of a first rotating shaft. Silica gel sleeves are arranged on the outer walls of the left connecting block, the first rotating shaft and the right connecting block, and the telescopic frame is slidably connected to the outer wall of the sliding rail. According to the headphone with the lead storage function, the two positioning keys press the spring at the same time, the telescopic frame slides to a proper position to loosen the positioning keys, and the positioning keys enter the positioning grooves, so that the position of the telescopic frame is adjusted according to the actual positions of the head and the ears, and the clamping pieces drive the earphone wires to rotate; the earphone cable gradually rotates to enter the storage bin, the fixing key is pressed downwards, and the bottom end of the fixing key enters the corresponding hole position of the outer wall of the storage bin, so that storage of the earphone cable is achieved, and the situation that the earphone cable is too long, disordered and wound, and use is affected is prevented.

The utility model relates to the field of medical instruments, and discloses a height-adjustable privacy protection frame which comprises a protection frame body, adjusting mechanisms are fixedly arranged on the two sides of the lower end of the protection frame body, an auxiliary mechanism is fixedly arranged in the middle of the lower end of the protection frame body, and each adjusting mechanism comprises two first connecting columns. Second connecting columns are fixedly arranged in the four first connecting columns correspondingly, and the auxiliary mechanism comprises an electric telescopic rod. According to the protection frame, when the protection frame is used, the overall height of the protection frame is adjusted through the arranged adjusting mechanism, so that the overall applicability of the protection frame is enhanced, and when the adjusting mechanism is used, the second connecting column is pulled out of the interior of the first connecting column or stretches into the interior of the first connecting column to achieve adjustment; and fixing bolts are arranged in the adjusting holes in different positions in a sleeving manner, so that the adjusted protection frame is positioned and fixed.