39 results about "Screw post" patented technology

The utility model relates to fan technical field discloses a kind of high-power direct connection fan support structure, including two support frames, and the middle part of support frame is provided with locking assembly;Locking assembly includes mounting bracket, and mounting bracket is fixedly connected in the middle part of support frame, and the inside of mounting bracket is slidably connected with limit plate, and the lower surface of limit plate is fixedly connected with screw rod, and one end of screw rod is fixedly connected with connecting rod, and the both ends of connecting rod are fixedly connected with fixed sleeve, and the lower surface of fixed sleeve is provided with sucking disc, and the both sides of the inner wall of fixed sleeve are all provided with limit slot.The utility model utilizes sucking disc to adsorb ground, and simultaneously screw post drives piston plate to move up and air in sucking disc is extracted to fixed sleeve, to enhance the adsorption fastening force of sucking disc, reduce the support frame and fan to be caused by human collision and fall down;And through the adjusting rod sliding in connecting pipe, the spacing between the two support frames is conveniently adjusted to adapt to the fan of different width and volume, and the versatility of support frame is improved.

The utility model relates to the technical field of installation of automobile interior trim panels, and discloses a screw stud anti-thread-slipping structure of an automobile interior trim panel, two supporting seats are integrally formed on one side of an interior trim panel body and located on the outer side of a cylinder body, and two screw stud bodies are fixedly connected to one sides of the two supporting seats respectively. Connecting holes are formed in one ends of the two screw column bodies, arc-shaped faces are arranged at the ends of the connecting holes, and positioning assemblies are arranged on the sides, located on the two screw column bodies, of the two supporting bases. According to the self-tapping screw, through the arrangement of the arc-shaped surface on the inner side of the screw column body, the self-tapping screw can be guided, meanwhile, the temperature generated during tapping is reduced, the stability of the self-tapping screw during tapping is enhanced, and the condition of screw loosening during tapping of the self-tapping screw is prevented; and through arrangement of the positioning columns, positioning during installation of the interior trimming panel body can be assisted, correction of the installation positions of the installation holes and the screw column bodies can be rapidly completed, and the assembly efficiency of the interior trimming panel body can be improved.

The utility model discloses a reinforcing steel bar splicing device for building engineering, including support, the top and bottom of support surface all are provided with clamp seat, the right side fixedly connected with the jaw of clamp seat, the front of clamp seat is provided with clamping subassembly, clamping subassembly includes the fixed connection of screw bushing of clamp seat front, the inner chamber screw thread connection of screw bushing has screw resistance post, the inner chamber of jaw is provided with the clamping block of slidable, the right -hand member fixedly connected with screw post of clamping block, the right side of jaw is provided with rotatable screw bushing through setting, the utility model discloses the cooperation of jaw and clamping subassembly is used to two different diameter reinforcing steel bars, and the clamping is fixed, and then carries out welding to two reinforcing steel bars through welding machine, when welding, through the cooperation of clamp seat, gear box and elevating unit, the butt joint of upper reinforcing steel bar is carried out and presses down, can reach the purpose of accurate butt joint of axial position and the splicing of different diameter reinforcing steel bars.

The utility model discloses a kind of forming devices of porous alumina ceramics, comprising: reinforcing part, the reinforcing part inside is provided with forming piece, forming plate is provided in the forming piece, upper cover is inserted on the forming piece, and forming plate top end penetrates upper cover, fixed plate is inserted on the upper cover, and fixed plate is inserted with forming plate;Through the screw post of reinforcing part and handle cooperation, reverse rotation can quickly release clamping force, take out forming assembly, through the plug-in block of forming piece and the plug-in slot insertion, after drying, plug-in block can be separated left and right box body, through the fixed plate insertion locking of upper cover, after pulling out, upper cover can be quickly taken down forming plate by lifting, realize efficient demoulding.

The utility model relates to the technical field of industrial factory building independent foundation pouring, in particular to a convenient scaffold for industrial factory building independent foundation pouring, which comprises a scaffold body, the scaffold body comprises a vertical rod, a cross rod, a diagonal bridging and a scaffold board, an adjusting box is arranged at the bottom of the vertical rod, and a foot supporting seat is arranged below the adjusting box. A leveling assembly is arranged between the adjusting box and the foot support seat, a plurality of reinforcing assemblies are arranged below the foot support seat, the leveling assembly comprises a worm gear arranged in an inner cavity of the adjusting box, one side of the worm gear is connected with a worm in a meshed mode, an adjusting stud is fixedly connected to the center of the bottom of the worm gear, and an adjusting screw groove is formed in the center of the top of the foot support seat. When the ground where the scaffold is placed is bumpy and uneven, leveling treatment can be conducted, the situation that the scaffold inclines due to the uneven foundation is avoided, uneven stress, deformation and damage of the vertical rods are avoided, the overall structural strength is guaranteed, meanwhile, unbalance overturning under construction loads due to inclination is avoided, and casualties and property losses are prevented.

The application discloses a sliding ring gap adjusting structure and relates to the technical field of seed meters. The sliding ring is sleeved on the back plate bearing seat, is fixedly connected with the back plate bearing seat in the circumferential direction and can axially slide relative to the back plate bearing seat. The screw post is fixed on the back plate bearing seat. The bolt is threadedly connected with the screw post. The connecting piece comprises a screw sleeve, a convex ring and a twisting block which are coaxially arranged. The screw sleeve is threadedly connected with the screw post. The screw sleeve and the twisting block are fixedly connected with the convex ring at one end, respectively. The through hole is arranged on the sliding ring and corresponds to the screw sleeve. The screw sleeve passes through the through hole. The diameter of the convex ring is larger than that of the through hole. The through hole is located between the screw post and the convex ring. The convex ring is in abutment with the sliding ring. The knob comprises a screwing part and a clamping part which can be clamped in the circumferential direction on the twisting block. The screwing part is provided with a screwing opening. The limiting sheet is connected with the sliding ring through the screw. The limiting sheet is used for limiting the rotation of the screwing part. The size of the finger clamping opening of the finger clamping type seed meter is conveniently adjusted.

The utility model provides a building electromechanical pipeline laying structure which comprises two right-angle angle irons, kidney-shaped holes are formed in the upper surfaces of the right-angle angle irons, detachable lifting pieces used for being installed on an indoor top plate are installed in the kidney-shaped holes, supporting lugs are installed on the vertical portions of the two right-angle angle irons, and the supporting lugs are connected with the right-angle angle irons. Penetrating holes are formed in the opposite faces of the two supporting lugs, a straight threaded cylinder is arranged between the two supporting lugs, two studs are in threaded connection with the interior of the straight threaded cylinder, the ends, located on the outer side of the straight threaded cylinder, of the studs penetrate through the penetrating holes, and limiting nuts are arranged on the two sides, in the length direction of the studs, of the penetrating holes; the two right-angle angle irons are connected with the stud in a threaded mode, the limiting nuts are connected to the stud in a threaded mode, positioning sleeves are installed on the horizontal portions of the two right-angle angle irons, and a lifting piece used for lifting a pipeline is installed between the two positioning sleeves. And right-angle angle irons with different lengths are not required to be manufactured.

The utility model discloses a bean bin cover of a bean grinder, which comprises a cover body and a bin body, the bottom of the cover body is embedded into the inner side of the bin body, an annular magnet is arranged on the inner side of the cover body, a first screw column is arranged above the annular magnet and is integrally connected with the cover body, a plurality of arc-shaped iron bars are arranged on the inner side of the bin body, an air chamber is arranged above the cover body, and a screw cover is arranged at the top of the cover body. The annular magnet is integrally cast, a plurality of screws are arranged in the annular magnet in a penetrating mode, and the screws are connected with the first screw columns through threads after penetrating through the annular magnet; a supporting piece is arranged at the bottom of the arc-shaped iron bar, the supporting piece and the cabin body are formed through integral injection molding, a second screw column embedded into the inner side of the arc-shaped iron bar is arranged on the supporting piece, a plurality of screws penetrate through the arc-shaped iron bar, and the screws penetrate through the arc-shaped iron bar and then are connected with the second screw column through threads; the utility model has the advantages of simple structure, strong stability, stable sealing performance and good usability.

The utility model provides an integral well completion pipe column relates to well completion pipe column technical field, include: well completion pipe column body, the well completion pipe column body upper end pipe is connected with the oil pipe, the well completion pipe column body outer pipe face welds has the link block, the link block outside inserts the support plate, the support plate is fixed with the link block through the location screw post and the nut and screws, the support plate outside end is connected with the link frame through the limiting block, the link frame and the limiting block interval between the adhesion has the damping block, the link frame side end welds has the well wall fixed part, the well wall fixed part side end is connected with the support plate through the hydraulic buffer, the well completion pipe column body upper end face presses down has the sealing press plate, the sealing press plate lower end face holds the sealing inner race and sealing outer race through the ring air bag. The utility model has solved the vibration load of high pressure fluid impact in prior art well completion pipe column, is easy to cause the problem of the fixed assembly fixed unstable influence well completion pipe column stability.

The application belongs to the technical field of steel pipe finishing, and discloses a long steel pipe automatic finishing equipment, which comprises an operating table, a bearing frame and a finishing robot. The operating table is arranged on a support, a stand is arranged on the operating table, a driving structure is arranged at the bottom of the operating table, a bearing block which is movably connected with the driving structure is arranged on the operating table, a rotating structure and a limiting structure are arranged on the bearing block, the bearing frame is arranged on the stand, an adjusting structure is arranged on the bearing frame, and the finishing robot is arranged on the adjusting structure. The double-shaft motor drives the rotating screw post to rotate, the rotating screw post drives the connecting screw cylinder to move back and forth, the bearing block moves back and forth in the bearing groove on the operating table, the long steel pipe is conveniently held from the appropriate position, the stability of the long steel pipe in the finishing process is improved, the finishing equipment is applicable to long steel pipes of different sizes, the versatility of the finishing equipment is improved, and the application range of the finishing equipment is expanded.

The utility model discloses an extrusion forming die for an aluminum profile of a driving device, which comprises an upper die and a lower die, a die core is arranged at the bottom of a connecting column protruding from the middle of the bottom surface of the upper die, and a plurality of flow dividing holes which are circumferentially spaced and vertically penetrate through the upper die are formed in the periphery of the connecting column; a plurality of forming holes are formed in the peripheral wall of the mold core in an inwards-concave mode and penetrate through the lower end face of the mold core, and a forming wall is arranged between every two adjacent forming holes. The forming holes comprise larger screw column forming holes and smaller tooth forming holes; a flow guide opening is formed in the position, corresponding to the screw column forming hole, of the joint of the connecting column and the mold core in a concave mode, and the flow guide opening is inwards concave and downwards extends to communicate with the screw column forming hole. The width of the forming wall is larger than that of the tooth forming hole, and a mold core flow stopping block is arranged on the forming wall in an outward protruding mode. Therefore, the structural strength of the screw column of the extruded aluminum profile can be effectively improved.

The utility model relates to the technical field of resistance welding, and discloses a resistance welding transformer for welding aluminum plates, which comprises a welding head, a mounting shell is fixedly mounted at the top of the welding head, a sealing plate is arranged on the outer wall of the mounting shell, the inner wall of the sealing plate is in threaded connection with a fixing bolt, the inner wall of the welding head is in sliding connection with a sliding plate, and the sliding plate is in threaded connection with the sealing plate. The outer wall of the sliding plate is slidably connected with a lifting L-shaped plate, and the top of the lifting L-shaped plate is provided with a transformer body. By rotating a rotating rod, the rotating rod drives bevel gears to rotate, the two bevel gears rotate at the same time through meshing, then a threaded column rotates, the threaded column drives a lifting block to move upwards, a lifting L-shaped plate drives a transformer body to move upwards, at the moment, a pull rod is pulled, and then the pull rod drives a locking plate to move; and at the moment, a sliding plate is pulled, so that the sliding plate drives the lifting L-shaped plate and the transformer main body to move out of the inner wall of the welding head, and the welding head can be observed conveniently.

The utility model relates to the technical field of engineering supports, in particular to a medium and heavy type welding damping double-wheel which comprises an upper plate, a main rivet and a lower plate, the lower end of the upper plate is fixedly connected with a buckle cover, the lower end of the buckle cover is rotatably connected with the lower plate, the bottom end of the main rivet is rotatably connected with the upper portion of the lower plate, and the lower end of the main rivet is rotatably connected with the lower plate. The two sides of the bottom end of the lower square plate are fixedly connected with supports. According to the medium-heavy type welding damping double-wheel, the supports are made of high-strength stainless steel materials, the first screw column penetrates through the inner sides of the two parallel supports, the protruding position of the outer side of the first screw column on the outer sides of the supports can be sleeved with the transverse plate, then the two ends of the first screw column are fixed by screwing nuts, and the other end of the transverse plate penetrates through the second screw column; the aluminum core polyurethane wheels which are tightly connected with the inner sides are fixed through the supports arranged on the two sides, the whole double-wheel structure is compact, the borne weight of the double-wheel structure can be shared by the supports and the transverse plates, and the pressure bearing and load bearing capacity of the medium-heavy type welding damping double-wheel structure is greatly improved.

The utility model discloses a gas-assisted molding structure for a mold, which comprises a gas channel and a gas nozzle, the gas channel passes through a rear mold plate and a rear mold core and extends into a rear mold main body insert, the rear mold main body insert is provided with a gas nozzle mounting port, and the gas nozzle is mounted in the gas nozzle mounting port and is connected with an exhaust port of the gas channel; a gas groove is formed in the edge of the rear mold main body insert and is communicated with a screw stud forming groove and a gas nozzle mounting opening in the rear mold main body insert. Blowing is started at the initial stage of glue injection, and gas is sprayed out through the gas nozzle after passing through the gas channel. Gas enters the screw stud forming groove through the gas groove, so that a hollow structure is blown out of the thick glue position, and the product forming defect caused by the too thick glue position of the screw stud is overcome.

The invention provides an anti-falling force-bearing fastening device for repairing a stud on a cartridge receiver, and relates to the technical field of aero-engine cartridge receivers, the anti-falling force-bearing fastening device comprises a first cartridge receiver and a second cartridge receiver, the outer surface of a bolt is in threaded connection with a nut, and a fastening assembly is arranged on the side, close to the bolt, of the outer surface of the first cartridge receiver; a backing ring is fixedly connected to the end, away from the welding block, of the rotating rod, protruding blocks are fixedly connected to the two sides of the outer surface of the shaft block correspondingly, a pressing block is fixedly connected to one end of the shaft block, and two groove rods are fixedly connected to the top end of the welding block. The fastening assemblies are additionally arranged at the positions, where bolts are used for installation and connection, of the outer surface of the cartridge receiver, the bolts entering the outer surface of the cartridge receiver for connection penetrate through the backing rings of the fastening assemblies, the positions of the bolts are fastened through the pressing blocks, and when the bolts are maintained, the positions of the bolts can be temporarily limited through the backing rings; and maintenance is facilitated, and meanwhile follow-up bolt installation is facilitated.

The utility model provides a saw blade locking device, include: output shaft and locking block, the output shaft upper end is provided with the cushion block, the cushion block is provided with the reverse tooth thread hole, the reverse tooth thread hole spiral line rotation direction is opposite with output shaft rotation direction, the locking block is provided with the reverse tooth screw post in vertical direction, the reverse tooth screw post cooperates with the reverse tooth thread hole, the locking block is provided with the pin, when the reverse tooth screw post is spun into the reverse tooth thread hole, the locking block cooperates with the cushion block on the output shaft upper end to lock the saw blade and the pin is clamped into the positioning hole of saw blade, when the machine is in the use process and the saw blade meets the resistance, the saw blade passes through the pin and gives the locking block power, thereby makes the output shaft relatively locking block produces the rotation of the tightening direction, the locking block drives the reverse tooth screw post to spin into the reverse tooth thread hole, makes the locking block and the cushion block lock the saw blade, forms the self locking effect.

This invention relates to the field of multi-station machining technology, and more particularly to a multi-station synchronous machining fixture based on screw post positioning. The fixture includes a slide, a fixing mechanism above the slide, a buffer assembly on one side of the fixing mechanism, and an adjustment mechanism on one side of the slide. This multi-station synchronous machining fixture based on screw post positioning, through the coordinated arrangement of a support plate, a scale, a slide groove, a threaded rod, a measuring rod, a force-bearing button, and a limiting rod, can perform top-mounted clamping positioning of screw post-type workpieces. The height of the support plate is read by the measuring rod, and the sliding distance is read by the scale and the limiting rod. The coordinated arrangement of the support rod, the guide rod, and the pressure plate provides elastic buffering clamping to the circumference of the workpiece. The coordinated arrangement of the guide rail, the slider, the bidirectional threaded screw, the disc gear, the transmission gear, and the force-bearing rod enables multiple sets of slides to move synchronously closer or further apart, achieving multi-station synchronous adjustment and synchronous machining.

This utility model discloses a gas valve seat mold, including a base plate, a lower mold, an upper mold, and four screws for connecting the base plate and the lower mold. The base plate has a through hole at the connection point, and a protrusion extending towards the axis is located in the middle of the inner wall of the through hole. The bottom of the screw protrusion is attached to the top of the protrusion, and its screw post faces upwards and connects to the lower mold. A locking block is engaged with the protrusion, and the locking block has a slot in its middle that opens to one side, forming an upper plate and a lower plate. The slot engages with the protrusion. The upper plate has a notch for the screw to enter, and the screw is engaged in the notch. The lower surface of the upper plate presses against the top surface of the screw protrusion. The lower plate has a screw hole, which is a through hole. A pre-tightening bolt connects to the screw hole and abuts against the lower surface of the protrusion. The base plate of this mold does not have threaded holes, eliminating the need to consider thread stripping issues later, resulting in a long service life and overcoming the thread stripping phenomenon caused by frequent mold disassembly and assembly.

The utility model discloses welding equipment for a vehicle-mounted host radiator, which relates to the technical field of welding equipment and comprises a first rail frame, a second rail frame and a connecting frame, moving seats are arranged at the upper ends of the first rail frame and the second rail frame, and the connecting frame is fixedly mounted at the upper end of the moving seat of the first rail frame. The second rail frame is fixedly installed at the upper end of the connecting frame, an assembling base is fixedly installed at the upper end of a moving base of the second rail frame, and a linear module is fixedly installed on the front face of the assembling base. By the adoption of the structure, the lower end of an injector is pushed into the clamping base along the groove position of the U-shaped groove block, then the limiting frame is inserted into the rear two sides of the clamping base and screwed through the hand-screwed bolts, then the stud is operated to stretch out and draw back on the limiting frame in a threaded mode through the rotating block, and one end of the stud rotates to push the movable plate to slide; the clamping block on the joint movable plate is matched with the clamping seat to fix the injector, so that the injector can be conveniently mounted on the mounting block of the movable seat.

The utility model belongs to nickel wire braided mesh production technical field especially is a kind of nickel wire braided mesh tension self-adapting adjusting device, including base, further include: feed guiding subassembly, including carousel, two one side support plate of symmetry fixed in the carousel, feed guide roller is rotatably installed between two the one side support plate, fixed in the base No. The arc sliding hole of screw post and the arc sliding hole of screw post are threaded cooperation No. Butterfly nut, No. Screw post is threaded in the arc sliding hole on the carousel;Two groups of liftable support subassemblies that can be liftablely installed in base;Transition roller is rotatably installed between two groups the liftable support subassembly;And power component for driving the liftable support subassembly lift;In the utility model, feed guide roller angle is adjustable, reduces edge slack or center bulge risk;Liftable support subassembly, transition roller and power component cooperate, can automatically adjust nickel wire braided mesh tension, avoid tension too large and lead to material fracture.

The utility model discloses a hand screwing butt joint fastening mechanism for a detachable steel rail flaw detection trolley, which comprises a base, a hand screwing screw and a hand seat, the hand screwing screw comprises a hand screwing seat and a screw column, and the screw column is provided with external threads; a screw hole is formed in the opponent seat and is matched with the screw column; a through hole is formed in the base, and a screw column of the hand screw is inserted from the top end of the through hole, penetrates out of the bottom end of the through hole and then is screwed into a screw hole of the hand base to achieve butt joint and fastening. By the adoption of the hand screwing butt joint fastening mechanism, the problems that in a traditional fastening mode, a hand screwing screw is prone to falling off, and screwing is not tight are solved.

The utility model provides a multi-mode fusion intelligent talkback data acquisition terminal, which comprises an equipment main body and a communication antenna, a display screen assembly, a main control board assembly and a communication assembly are arranged in the equipment main body, a plurality of mounting screw columns are arranged in the equipment main body, and the communication assembly comprises a communication control board and a mounting substrate. A placement position and a plurality of mounting extension lugs are arranged on the mounting substrate, the communication control panel is fixedly arranged in the placement position, and mounting screw holes are formed in the mounting extension lugs. The multi-mode fusion talkback terminal has the beneficial effects that the problem that the mounting hole site in the shell of the multi-mode fusion talkback terminal in the prior art cannot be adapted to various communication boards can be solved, the mounting flexibility of different communication modules can be improved by arranging the mounting substrate, fixing the communication control board on the mounting substrate, and mounting extension lugs and mounting screw columns are mounted and fixed, and the communication control board is convenient to mount. Therefore, the equipment main body can be compatible with the installation of different communication modules, the production cost of a product is effectively controlled, and the use experience of a user and the competitiveness of the product are improved.

The utility model discloses a positioning and cutting device for brochure printing. The problem that an existing cutting device cannot conduct positioning is effectively solved. Comprising a supporting plate, a cutting plate is arranged at the upper end of the supporting plate, an L-shaped fixed positioning plate is arranged at the upper end of the cutting plate, an L-shaped longitudinal positioning plate located behind the fixed positioning plate is slidably connected to the upper end of the cutting plate, two left-right axial sliding columns are arranged at the right end of the longitudinal positioning plate, and an L-shaped movable positioning plate is slidably connected to the two sliding columns; the upper end of the supporting plate is in sliding connection with a transverse positioning plate located on the right side of the fixed positioning plate, the supporting plate is in sliding connection with an L-shaped supporting rod, the supporting rod is provided with a cutting knife capable of moving up and down, and the supporting plate is provided with a stud which is in threaded connection with the supporting rod and can rotate; the device is simple in structure, novel in conception, convenient to use and high in practicability.

The utility model provides a wedge block auxiliary's screw fastening antiskid structure applied to screw antiskid field, including screw unit and nut unit, nut unit includes base, and the base top is fixed with limit stop and connecting sleeve, and the connecting sleeve outside has self -adaptation slide post, be equipped with wedge block and spline block on self -adaptation slide post, the limit stop top is equipped with spline groove, screw unit includes screw head and integrative formation in screw head bottom's screw post, and the connecting sleeve is internally provided with through -thread hole, the screw head bottom is fixed with buffer ring, and the buffer ring inboard wall is provided with the antiskid groove of adapting with wedge block, and the wedge block can be inserted into antiskid groove. The application passes through the one -way check structure of " wedge block + antiskid groove", and the pre -tightening force of combination tensioning spring, can effectively prevent screw reverse loosening, and the antiskid effect is superior to traditional spring washer, and dismouting is convenient, low in cost, is suitable for batch application in all kinds of fastening scene needing to resist vibration.

The utility model relates to a lock catch, a lock and a box body structure, the lock catch comprises a retaining ring, a second baffle, a first screw column and a spring, the retaining ring is provided with a bending part and a first baffle, the bending part is bent, the two ends of the bending part are both connected to the first baffle, and an adjusting threaded hole is formed in the first baffle; the second baffle is fixedly arranged, a through hole is formed in the second baffle, the middle of the bending part penetrates through the second baffle, and a socket space is defined by the bending part and the second baffle; the first threaded column penetrates through the through hole and is in threaded connection with the adjusting threaded hole; the two ends of the spring abut against the first baffle and the second baffle respectively. The first screw column is in threaded connection with the adjusting threaded hole, the position of the lock catch is adjusted, an operator can directly adjust the first screw column and does not need to go deep into the inner side of the box door for tedious nut adjustment, the installation process is greatly simplified, the working efficiency is improved, and meanwhile the adjusting process is visual and easy to control, so that the installation cost is reduced. And the requirement on the skill level of an operator is reduced.

The automobile hub screw is characterized by comprising a head end, a middle end and a tail end which are connected in sequence, the head end is provided with a conical surface matched with a hub; a plurality of petal-shaped sections which are uniformly distributed are arranged on the outer surface of the middle end, and the plane shape of each petal-shaped section is elliptical; the surface of the tail end is provided with a square cutting strip and a hemispherical groove, and the tail end of the tail end is provided with a conical groove; the screw column body is arranged to be the oval body, so that stress can be balanced, the risk of fatigue cracks and even breakage caused by long service life of the automobile screw is reduced, the structural strength of the bolt is enhanced, and the service life is prolonged; when the cambered side surface is matched with the socket spanner, the contact is smoother, and the spanner sleeves and takes down the bolt more easily; the holding comfort degree is greatly improved through the arc-shaped structure; and the effect of reducing the weight can be achieved.

The utility model discloses a kind of anti-skid mechanical clamps, belong to mechanical clamp field, it includes clamping frame, the clamping frame one side is fixedly connected with clamping motor, the output shaft of clamping motor is fixedly connected with rotating screw post through shaft coupling, the outer wall of rotating screw post is movably connected with movable plate, the movable plate one side movably connected with limit post, the bottom of movable plate is fixedly connected with clamping plate;By being set clamping frame, clamping motor, rotating screw post, movable plate, limit post, clamping plate, along clamping motor, shaft, bearing, side clamping plate, antiskid mat, middle plate and baffle, good anti-skid effect can be provided for clamp, so as to reduce the situation that clamped object falls when clamp is used, reduce the damage rate of production product in production process, reduce the cost of overall production, improve the production efficiency of overall production, it is favorable to long-term use of mechanical clamp.

The utility model discloses a portable chopstick box, including lower cylinder, upper cylinder, link table, link sleeve, the lower cylinder is the casing that upper end opening, middle part is equipped with the cavity, and its upper end inner wall is equipped with internal thread, the upper cylinder is the casing that lower end opening, middle part is equipped with the cavity, and its lower end inner wall is equipped with internal thread, the link table is the columnar structure, and including the lower segment screw post that sets from below to above, the mid -segment ring, the upper segment screw post, the lower segment screw post is connected with lower cylinder thread, the upper segment screw post is connected with link sleeve thread, and link sleeve outer wall is connected with upper cylinder thread, the link table middle part is equipped with two chopstick insertion holes, and the cavity of upper cylinder, chopstick insertion hole, the cavity of lower cylinder communicates in proper order, the portable chopstick box of the utility model can effectively accomodate chopsticks, and limit chopsticks fixed, avoid the impact sound of the click of the tongs in the movement, guarantee chopsticks not to wear and tear, spray damage because of sliding in the box body simultaneously, influence chopstick use.

This utility model discloses an arc-shaped bracket mold, comprising: a front mold assembly, which includes a front template, a hydraulic cylinder, a front mold slider, a slider seat, a first inclined pulling assembly, and a second inclined pulling assembly; the hydraulic cylinder is mounted on the front template and drives the front mold slider to slide along a first direction on the front template, and the front mold slider drives the slider seat to move along the mold opening direction through an inclined guide structure; the first inclined pulling assembly and the second inclined pulling assembly are arranged along different core-pulling directions, and both can be synchronously driven by the slider seat to perform inclined pulling demolding of the formed first screw post and second screw post respectively; and a rear mold assembly, which, when closed with the front mold assembly, forms a cavity for forming an arc-shaped bracket. This utility model provides an arc-shaped bracket mold that, driven by the slider seat, achieves synchronous inclined pulling demolding of the first screw post and the second screw post in different directions, avoiding structural interference caused by differences in core-pulling directions.