55results about How to "Dock stable" patented technology

The application discloses a kind of deodorization bacteriostatic casual shoes, belong to casual shoes technical field.It includes casual shoe body, the shoe tongue is integrally arranged in casual shoe body front side, vertical through strip shape zipper strip is sewn in shoe tongue middle part, wherein the zipper strip is engaged with zipper head, insole is padded in the inside of casual shoe body, the present application is provided with zipper strip and zipper head, and the setting of zipper strip and zipper head can open the whole shoe tongue half, so that shoe head part can be unfolded and cleaned and ventilated, after daily use, it can be opened naturally ventilated, avoid shoe head humid and breed bacteria, simultaneously, button female parts are matched and engaged from two sides, can separate the middle part of shoe tongue and stably dock, avoid zipper head being opened downward in daily travel, keep shoe tongue stable and adhere to instep, simultaneously, zipper strip is completely opened, can conveniently take out insole and dry and wash.

The application discloses a trolley for rotatable sealing strip products, which comprises at least one sealing strip trolley and a lifting driving mechanism, wherein the sealing strip trolley comprises a trolley rotating conveying mechanism and a trolley sealing strip rotating driving mechanism, the trolley sealing strip rotating driving mechanism is arranged above the trolley rotating conveying mechanism and cooperates with the trolley rotating conveying mechanism, the output end of the lifting driving mechanism is connected with a fixed connecting plate, and the fixed connecting plate is connected with the trolley sealing strip rotating driving mechanism. The trolley for rotatable sealing strip products has a reasonable structure design, the trolley for loading the sealing strip adopts a single-side placing form, the loading module of the trolley is driven to rotate to an arbitrary angle by the trolley sealing strip rotating driving mechanism, the limitation of the punching direction caused by the centralized configuration of the oil cylinder of the single-side multi-cavity tooling is solved, and the stability and convenience during the punching are effectively improved.

This utility model discloses a dust removal and filtration box for blast furnace gas, relating to the field of blast furnace gas filtration and dust removal technology. The utility model includes a dust removal box, a cover plate, and dust collection pipes. An opening groove is formed on the upper surface of the dust removal box, and several through holes are formed on the lower surface. The cover plate is installed on the upper surface of the opening groove. The number of dust collection pipes corresponds to the number of through holes, and the dust collection pipes are slidably installed inside the through holes. A lithium battery is installed on the upper surface of the cover plate, and several electrostatic dust-attracting rods are fixedly installed on the lower surface of the cover plate. The electrostatic dust-attracting rods extend into the dust removal box through the opening groove, and their positions correspond to the positions of the dust collection pipes. The upper ends of the dust collection pipes extend into the dust removal box through the through holes. This utility model, through its lithium battery, electrostatic dust-attracting rods, and dust collection pipe structure, facilitates the electrostatic adsorption of dust particles in the gas, is not affected by the high temperature of the gas, ensures the dust removal effect of the device, and facilitates the collection of dust particles into the dust collection pipes after dust collection.

The utility model discloses an insect-proof type light all-bamboo composite board which comprises a board body, the board body is composed of a face board, an insect-proof board and a base board, and the insect-proof board is arranged between the face board and the base board. The first connecting block is fixed to the left end of the plate body, a fixing strip is arranged on the lower end face of the first connecting block, a second connecting block is fixed to the right end of the plate body, and a limiting groove is formed in the upper end face of the second connecting block. According to the insect-proof type light all-bamboo composite board, the insect-proof board can be closer to the ground where a floor is laid, then the insect-proof effect is improved, the integrity and strength of the composite board are not affected, and the effect of prolonging the service life of the composite board is achieved.

The application provides a reverse control device, an unmanned vehicle and a reverse control method. The reverse control device comprises a rotating assembly, an angle detection member and a controller. The rotating assembly comprises a connecting member and a rotating member. The connecting member is configured to connect an installation part of a tail of the unmanned vehicle and is fixed relative to the installation part. The rotating member is rotatably arranged on the connecting member and is configured to rotate around the connecting member towards a head of the unmanned vehicle when the rotating member abuts against an obstacle during reverse driving of the unmanned vehicle. The angle detection member is connected between the rotating member and the connecting member and is configured to monitor a rotating angle of the rotating member relative to the connecting member. The controller is configured to determine an actual distance between the unmanned vehicle and the obstacle according to the rotating angle, so as to control the unmanned vehicle to stop when the actual distance is equal to a target distance. The reverse control device provided by the application can realize safe, stable and accurate parking of the unmanned vehicle at the edge of a dump site.

The utility model provides a kind of camera assembly mounting device, it is related to educational apparatus technical field, comprising: first assembly shell, second assembly shell and connecting device, accommodating groove is opened in first assembly shell, and the opposite two side walls of accommodating groove are provided with the positioning slide rail for the installation positioning of control circuit board;Second assembly shell and the top and bottom of first assembly shell are detachably connected by detachable connecting assembly, and the mounting end portion for detachably installing camera assembly is provided on second assembly shell;Connecting device includes assembly connecting piece arranged on the side of second assembly shell away from first assembly shell.

The utility model discloses a coaxial cable with a coating structure, which comprises an elastic middle shaft sleeve, the side end of the elastic middle shaft sleeve is fixedly connected with first mounting rings, the first mounting rings are symmetrically distributed at the left end and the right end of the elastic middle shaft sleeve, a spring conductor is arranged in the elastic middle shaft sleeve, and the first mounting rings are fixedly connected with the spring conductor. The left end and the right end of the spring conductor are fixedly connected with butt joint conductors. The butt joint sleeves are connected with the elastic middle shaft sleeve in a sleeving mode, the butt joint sleeves are fixedly connected with the first mounting ring through bolts, and the butt joint sleeves are symmetrically distributed at the left end and the right end of the elastic middle shaft sleeve; according to the coaxial cable, the elastic middle shaft sleeve, the spring conductor, the butt joint sleeve, the insulated cable pipe and the bolt form an elastic tensile structure, so that the coaxial cable can cope with high-strength tensile force in the use process, the tensile capacity of the coaxial cable is enhanced, and the durability of the coaxial cable is ensured.

This utility model discloses a nozzle assembly and a 3D printer, including a nozzle holder and a nozzle. The nozzle holder is disposed in the motion mechanism of the 3D printer. The nozzle has a male end, an extrusion mechanism, and a hot end assembly. The male end is drivenly connected to the extrusion mechanism, which is used to extrude filament to the hot end assembly. The nozzle holder has a drive motor, a reduction mechanism, an elastic mechanism, and a female end. The drive motor is drivenly connected to the reduction mechanism, and the female end is also drivenly connected to the reduction mechanism. The elastic mechanism is disposed between the female end and the reduction mechanism. The female end can be elastically inserted into the male end, enabling a drive connection between the female and male ends, thus achieving the docking of the nozzle holder and the nozzle; or the female end can be separated from the male end, discontinuing the drive connection between the female and male ends, thus achieving the separation of the nozzle holder and the nozzle. The elastic mechanism provides a certain degree of elasticity and buffer space, improving the docking success rate and docking speed, making the docking smoother.

A photovoltaic cleaning robot comprises a main beam, a brush and a moving assembly, a first machine head and a second machine head are arranged at the two ends of the main beam in the length direction respectively, and the brush is arranged below the main beam; the moving assembly comprises a driving wheel set and a driven wheel set and is suitable for driving the main beam to move. The driving wheel set is arranged on the first machine head and is in driving connection with a first driving motor, the driven wheel set is arranged on the second machine head, and the position of the first machine head and / or the second machine head relative to the main beam is adjustable. According to the photovoltaic cleaning robot, the main structures of the photovoltaic cleaning robot are all arranged on the main beam, a single-beam structure is formed, and the good weight reduction effect can be achieved. And meanwhile, the position of the first machine head and / or the position of the second machine head are / is adjustable, so that the photovoltaic cleaning robot can adapt to photovoltaic modules of different sizes, and the application scene is wider. Moreover, for the photovoltaic modules in the same project, the photovoltaic cleaning robot can have better obstacle crossing and climbing ability by finely adjusting the distance between the first machine head and the second machine head, and the flexibility is good.

The utility model provides a splicing type logistics transportation packaging box. The spliced logistics transportation packaging box comprises a logistics box structure, the logistics box structure comprises a box body, a top cover is arranged at the top of the box body, a hasp structure is installed between the top cover and the box body, a supporting leg structure is arranged at the bottom of the box body, and butt joint assemblies are installed on the surfaces of the front side wall and the rear side wall of the box body correspondingly; the supporting foot structure comprises four bolts, the four bolts are fixedly connected with the four corners of the bottom of the box body respectively, two bottom feet distributed front and back are arranged at the bottom of the box body, and mounting holes are formed in the surfaces of the bottom feet in a bilateral symmetry mode. The splicing type logistics transportation packaging box has the advantages that a user can conveniently conduct butt joint and fixing on the box body on the upper layer and the box body on the lower layer, and meanwhile the supporting feet can be conveniently and rapidly replaced.

The invention relates to the technical field of laser welding and discloses laser welding equipment and a welding technology.The laser welding equipment comprises a supporting base, a supporting positioning mechanism is connected to the top end of the supporting base, an auxiliary positioning mechanism and an auxiliary butt joint mechanism are connected to one end of the top of the supporting positioning mechanism, and the auxiliary positioning mechanism comprises two supporting positioning frames; according to the auxiliary positioning mechanism, through the positioning lead screw, the movable base, the clamping frame and other assemblies in the auxiliary positioning mechanism, precise positioning and stable clamping of a strip-shaped workpiece are achieved, the precision problem of manual butt joint is avoided, the working efficiency is improved, and the working efficiency is improved. The butt joint precision of the workpieces before welding is obviously improved; a driving wheel and an anti-skid ring in the auxiliary butt joint mechanism are used for driving the strip-shaped workpieces to move slowly, stable butt joint of the two strip-shaped workpieces is achieved, position deviation and angle deviation are reduced, and guarantee is provided for high-quality welding; and the long-strip-shaped workpiece is stably controlled during laser welding.

The invention belongs to the technical field of lighting devices, and particularly relates to an LED lighting lamp easy to disassemble and assemble, which comprises a mounting base, a threaded sleeve is in threaded connection with the inner side of the mounting base, a supporting block is rotatably connected with the inner side of the threaded sleeve, an LED lamp panel is arranged on the lower side of the supporting block, and a plug is fixedly and electrically connected with the upper side of the LED lamp panel. The plug is fixedly connected with the supporting block, and the outer side of the LED lamp panel is electrically connected with a motor. The shielding frame and the arrow groove rotate to the contrast ground, so that the irradiation light forms a shadow with an arrow shape on the inner side on the ground to guide people to escape in a proper direction, downward rotation and upward recovery of the shielding frame can be realized through forward rotation and reverse rotation of the rotating strip, and the driving structure is relatively simple and convenient to operate. A large number of driving structures such as gear transmission rods are not used, the production difficulty and the production cost of the device are reduced, meanwhile, driving of the device is more stable and simpler, and the practicability of the device is improved.

The utility model relates to V type atomization jar assembly technical field, concretely is a kind of assembly feeding mechanism of V type atomization jar assembly machine, including assembly station, the transmission belt is installed in one side on the assembly station, the transmission belt is used to convey atomization jar main body, another side on the assembly station is also equipped with adjusting frame, and uniform speed conveying is realized by the cooperation of transmission belt and driving roller, elastic limiting is completed by the guide channel formed by positioning plate cooperation with baffle of torsional spring, ensure that atomization jar main body is stably berthed, reciprocating motor drive screw adjustment poking column transverse position, make it align after limiting atomization jar main body, again by telescopic cylinder control poking column inserts and drives its movement, utilize the reciprocating motion of multiple poking columns, atomization jar main body can be strictly according to set interval continuous push, avoid the problem of missing push, misplacement that easily appears in traditional feeding mode, make feeding rhythm and subsequent assembly process match, improve assembly continuity.

The application relates to the field of environment-friendly pipeline technology, and discloses a light-weight environment-friendly pipeline connector, which comprises a connecting pipe body, a sliding groove is arranged on the side surface of the connecting pipe body, a ring-shaped groove is arranged on the inner wall of the sliding groove, a clamping groove is arranged on the inner wall of the ring-shaped groove, a clamping ring is clamped on the inner wall of the clamping groove, and a fixing cylinder is fixedly assembled on the side surface of the clamping ring. The light-weight environment-friendly pipeline connector is used in cooperation with the clamping ring and the sliding groove, the clamping ring is passed through the inner wall of the sliding groove until the side surface of the clamping ring is overlapped with the inner wall of the ring-shaped groove, then the fixing cylinder is rotated, at this time, the outer edge of the clamping frame is slidably connected with the outer edge of the connecting pipe body, the clamping frame is pulled away from the inner wall of the ring-shaped groove, until the side surface of the clamping block is clamped with the inner wall of the connecting pipe body, at this time, the inner wall of the arc-shaped plate is overlapped with the outer edge of the connecting pipe body, and the side surface of the clamping ring is overlapped with the inner wall of the clamping groove, so that the connecting pipe body and the butt joint pipe are stably butt jointed.

The utility model relates to the technical field of installation welding, and discloses an electric power pipe installation welding device which comprises a bottom plate, the two ends of the bottom plate are both connected with U-shaped plates in a sliding mode, the two ends of the two U-shaped plates are both provided with clamping fixing assemblies, the inner sides of the U-shaped plates are provided with limiting assemblies, and the inner sides of the two ends of the bottom plate are provided with pushing assemblies. A plurality of fixing assemblies are arranged on the side face of the bottom plate, a support is fixedly connected to the side face of the bottom plate, and a heating assembly is arranged on the inner side of the support; the clamping fixing assembly comprises a connecting block. According to the utility model, through simple pull ring pulling operation, the arc-shaped fixing block can be quickly and tightly attached to the surface of the electric power pipe through rotation of the connecting rod and sliding of the clamping block in the sliding groove, and the arc-shaped fixing block is matched with the anti-sliding block to increase friction force, so that the pipe is effectively prevented from sliding. The sliding block slides in the sliding groove, the moving track of the arc-shaped fixing block is precisely limited, and the position precision of the pipe during fixing is ensured.

The utility model relates to an aquatic fry incubator, aim at solving the technical problem of inconveniently cleaning the incubation tank in the incubator and inconveniently pouring water at present, including the hatchery box body, the box cover and the fry releasing structure, the box cover rotation is connected in the hatchery box body flip cover department, the fry releasing structure is arranged in the hatchery box body fry -rearing area, the fry releasing structure includes end handle A, end handle B, hatchery groove A and hatchery groove B, end handle A is worn in one end hole in the hatchery box body top, end handle B is worn in the other end hole in the hatchery box body top, a plurality of hatchery groove A is sequentially arranged in the end handle A inner end, a plurality of hatchery groove B is sequentially arranged in the end handle B inner end, a plurality of hatchery groove A and a plurality of hatchery groove B staggered insertion, the utility model has the hatchery groove A and hatchery groove B combination in the hatchery box body and hatchery groove A and hatchery groove B can be separated and drawn out, and the advantage that conveniently cleaning is carried out outside.

The utility model relates to the technical field of cotton picker accessories, and discloses a cotton picker doffing disc assembly which comprises an arrow shaft and a plurality of doffing disc bodies arranged on the arrow shaft in an interference fit mode. The cotton doffing disc body comprises a metal disc body arranged on the arrow shaft in a sleeving mode, a rubber elastic sleeve wrapping the periphery of the metal disc body and a plurality of rubber protrusions integrally arranged on the periphery of the outer wall of one side of the rubber elastic sleeve, and a spacer bush arranged on the arrow shaft in an interference fit and sleeving mode is integrally arranged at the center of the metal disc body. Reinforcing ribs are arranged at the positions, corresponding to the rubber protrusions, of the peripheral sides of the spacer bushes, extension rods extending towards one sides of the rubber protrusions are arranged at the ends, away from the spacer bushes, of the reinforcing ribs, and rod grooves allowing the extension rods to be embedded are formed in the lower sides of the rubber protrusions. The extension rods of the reinforcing ribs are embedded into the rod grooves in the lower sides of the rubber protrusions, so that circumferential rotation between the rubber elastic sleeve and the metal disc body is clamped through cooperation between the extension rods and the rod grooves, and finally stable connection between the metal disc body and the rubber elastic sleeve can be facilitated.

This invention relates to the field of electronic motherboard testing technology, and in particular to an automated testing device for electronic motherboards, comprising a base plate, on the upper side of which are arranged a lower testing mechanism, an upper testing mechanism, and a cooperating testing mechanism. The invention, by setting up the upper testing mechanism and the cooperating testing mechanism, achieves a high degree of automation and flexibility in electronic motherboard testing, significantly improving testing efficiency and reducing reliance on manpower and operational difficulty. The upper testing mechanism is equipped with a cooperating frame with a multi-functional positioning slot, and important testing modules such as network card testing boards and graphics card testing boards are fixed to it using magnetic attraction and limiting blocks, making the entire testing fixture a modular unit that can be quickly disassembled and replaced. When changing product models, the operator only needs to move the locking group to remove the entire cooperating frame along with all the testing modules on it and replace it with another pre-assembled module, eliminating the need for tedious screw removal and position calibration of individual components.

The utility model discloses a diamond synthesis device which comprises a fixing frame, positioning frames are fixedly connected to the upper end face and the lower end face of the fixing frame, hydraulic telescopic columns are fixedly connected to the periphery of the fixing frame and the positioning frames, connecting blocks are fixedly connected to the movable ends of the hydraulic telescopic columns, and mounting grooves are formed in the ends, away from the hydraulic telescopic columns, of the connecting blocks. A mounting block is movably connected into the mounting groove, a top block is fixedly connected to the side, away from the connecting block, of the mounting block, and the positioning block can be driven to move through stretching out of the hydraulic telescopic column, so that the six top blocks get close to one another to synthesize diamonds; and a stabilizing block drives a moving block to slide on an auxiliary rod in a moving groove, so that a spring is extruded, the stabilizing block drives a locking column to be separated from a locking groove, a mounting block and a connecting block can be conveniently and quickly disassembled, a top block can be conveniently replaced or maintained, the use flexibility is improved, and the working efficiency is improved.

This invention relates to the field of tank processing technology, and discloses a tank bottom assembly, a tank, and a method for forming the tank bottom assembly. The tank bottom assembly includes a tank bottom and a transition ring. The transition ring is located at the open end of the tank bottom and is integrally formed with the tank bottom. The outer wall of the transition ring has a first step surface and a second step surface that are vertically arranged. The first step surface is arranged radially along the transition ring, and the outer edge of the second step surface away from the first step surface is inclined towards the outer wall of the tank bottom to form a guide slope. The tank includes a cylindrical section and the aforementioned tank bottom assembly. The method for forming the tank bottom assembly includes the following steps: fixing the outer ring of a constraint plate, and shearing and spinning the plate using a spinning wheel to obtain a first formed part; releasing the outer ring constraint and fixing the inner ring constraint, and flanging and spinning the outer ring using a spinning wheel to form a column section; machining a mating interface on the outer wall of the column section to obtain an integrally formed tank bottom and transition ring. The tank has better quality and lower processing costs.

The utility model relates to the prefabricated beam production construction technical field, and disclose the prefabricated beam outer end adjustable formwork device of adapting beam length change, including main formwork frame, the both ends of main formwork frame are distributed with outer end formwork frame, the outer end formwork frame includes end frame, the outer wall of end frame is fixed with end support frame, the bottom of end support frame is fixed with end channel steel slide rail. The utility model discloses through main formwork frame and both ends outer end formwork frame composition, its outer end formwork frame can according to different prefabricated beam manufacturing demand carry out supplementary adjustment change, cooperate the both sides hydraulic tank drive of the end frame of both ends and carry, form both ends synchronous or separate unfolding regulation and control, along with end channel steel slide rail in the production site sliding adjustment telescopic, can match different beam length size, through hoist wedge block formwork and post splicing butt joint stability, form different adjustment length process, and the adjustment process does not need personnel frequent operation, saves manpower, promotes overall production efficiency.

The utility model discloses a waterproof roll flattening device which comprises a moving frame, moving wheels are arranged at the bottom of the moving frame, a fixing notch is formed in the moving frame, a lifting frame is arranged in the fixing notch in a sliding mode, a flattening roller is connected to the lifting frame in a rotating mode, a fixing frame is fixedly connected to the top of the moving frame, and the fixing frame is fixedly connected to the bottom of the moving frame. A fixing groove is formed in the bottom of the fixing frame, a lifting plate is slidably connected into the fixing groove in an embedded mode, and the top of the lifting plate is rotationally connected with a first adjusting screw rod. According to the waterproof roll flattening device, the movable frame, the lifting frame, the fixed frame, the flattening roller, the movable wheels and other structures are arranged, a stable flattening device can be formed through combination, through the arrangement of the first adjusting screw rod, the first threaded groove, the lifting plate, the fixed seat and other structures, the flattening roller can descend to be pressed on a waterproof roll through adjustment, and the movable frame is pushed to move, so that the waterproof roll can be flattened. And the flattening roller rolls on the waterproof coiled material, so that the flattening work can be completed.

This invention discloses a carbon dioxide concentration early warning device suitable for greenhouses, comprising a longitudinal moving beam, a support base disposed below the longitudinal moving beam, an early warning control group, a storage battery and a vacuum pump connected to the top of the support base, and a concentration sensor connected to its bottom, an exhaust pipe fixed on the support base, and swing arms movably connected to both ends of the longitudinal moving beam, with a gas collection hose connected to one side of each swing arm. This invention includes an upper transmission group, a lower transmission group, an integrated stroke dual drive, and an expansion mechanism. The integrated stroke dual drive includes a control motor; when the control motor rotates forward, it enables high-precision detection of carbon dioxide, and when it rotates in reverse, it controls the up-and-down movement of the support base. This design facilitates maintenance personnel in inspecting and maintaining the electrical equipment on the support base, while the forward and reverse control function of the motor reduces equipment investment costs, reduces the load on the longitudinal moving beam, and ensures the safety of the longitudinal moving beam's movement.

This utility model relates to the field of portal frame connection technology, specifically to a portal frame connection structure, including a first connecting plate installed on the top of a column, a second connecting plate installed on the bottom of a main beam, and through holes on both the first and second connecting plates. The first and second connecting plates are connected by a first fastener. The portal frame connection structure also includes a docking mechanism, a connecting mechanism, a supporting mechanism, and an auxiliary installation mechanism. An installation groove is provided on the top of the column. The docking mechanism is located between the column and the main beam, and includes a square block and a square plate. The square block is located on the top of the main beam and can slide to abut against the installation groove. The square plate is located on the side of the main beam, and a square hole is provided on the side of the square plate. This technical solution, through the docking mechanism, facilitates the pre-alignment of the through holes on the first and second connecting plates, thereby improving the rapid docking and installation between the main beam and the column and increasing work efficiency.

The utility model relates to valve positioner technical field, concretely relates to an intelligent valve positioner, including positioner body, external pipeline and trachea, still include anti -drop subassembly, and anti -drop subassembly includes fixed frame, moving block, stretch spring, moving frame, connecting block, abutment frame, limiting component and locking component, and through the abutment frame to the abutment clamping fixed of trachea and cooperate stretch spring springback and drag, can more stably butt joint in external pipeline in trachea, and then avoid the vibration of equipment operation to cause the trachea connected on positioner body to loosen or drop out from external pipeline.

A kind of joint motor for robot dexterous hand, including dexterous hand main body, joint motor main body and motor main shaft, the output execution end of the joint motor main body is motor main shaft, the joint motor main body is installed at dexterous hand main body, the joint motor main body is used to control dexterous hand main body operation;Heat conduction unit, the heat conduction unit is installed on the outside of joint motor main body, the heat conduction unit is used to carry out heat dissipation treatment to joint motor main body.The cooling assembly of the present application forms cooling liquid flow channel, the cooling assembly is wrapped in the outside of joint motor main body, carries out heat dissipation treatment to joint motor main body, simultaneously, the heat in joint motor main body is exported by heat transfer component, the heat at heat transfer component can be dissipated by the airflow formed by cooling assembly and dexterous hand, further improve the heat dissipation effect of joint motor main body.

The utility model discloses a winding wire welding fixing equipment for transformer, including operation platform base and with its connection's welding fixed component, welding fixed component, including the support of welding in operation platform base on the up, the fixed platform of operation platform base front end forward extension, the light hole of support installs the screw rod with rotary handle, the outer wall of telescopic link is welded below the support, the telescopic pressure rod is covered in telescopic link outer wall, the lower end of telescopic pressure rod is welded the pressure plate, and the pressure plate corresponds with fixed platform upside and down, and the welding piece is clamped, and telescopic pressure rod is connected with screw rod. This design mainly applies the welding fixing of the winding of transformer. The utility model discloses the beneficial effect is, through the practice proves, the use of winding wire welding fixing equipment for transformer can realize the welding fixing of various specifications of wire, avoids the welding shake, misplacement and other problems of the manual holding fixed wire of previous manual holding fixed wire, guarantees the butt joint of wire flush, stable.

This utility model belongs to the field of filter technology, specifically relating to an adjustable stainless steel filter. The filter includes a sealed cap at the top, an inlet on the outer wall near the horizontal center line, and an outlet on the outer wall near the bottom. When the filter moves upwards, it moves guide strips on both sides, which move along the outer wall of the connecting movable side plate, thus stably adjusting the filter's height. When the inlet matches the height of the connecting pipe, adjustment stops, and bolts are passed through the corresponding connecting strip and locked to the second positioning strip, allowing for smooth connection between the inlet and the connecting pipe. This structure improves the convenience of connecting the filter to external pipelines during use.

The utility model discloses a semiconductor wafer grinding head air cavity structure, which belongs to the technical field of chip processing, and comprises a grinding head air cavity body and a universal joint, the side surface of the grinding head air cavity body is uniformly provided with counter bores and threaded holes, the counter bores are communicated with the threaded holes, the threaded holes are communicated with an air channel of the grinding head air cavity body, and the universal joint is connected with the grinding head air cavity body. A threaded hole is formed in the middle of the grinding head air cavity body, a pipeline extends into the threaded hole and is connected with threads, a cavity is formed in the middle of the grinding head air cavity body, the universal joint extends into the cavity, and the grinding head air cavity body moves up and down along the universal joint. According to the grinding head air cavity, the phenomenon of cracking at the joint inlet of the grinding head air cavity body and the pipeline can be reduced, and the pipeline and the grinding head air cavity body can be connected more tightly.