159results about How to "Play a limiting role" patented technology

This utility model discloses a top-holding device for a milling machine tool, relating to the field of milling machine tool technology. It includes a support column, one end of which is equipped with an adjustable clamping assembly. A guide frame moves within an adjustment groove to adjust the height of the ejector cylinder. The guide frame guides the use of the reinforcing column. Two limiting plates limit the use of two trapezoidal top pins. Two telescopic springs buffer the movement of the two trapezoidal top pins within the ejector cylinder. A first trapezoidal cylindrical tube and a second trapezoidal cylindrical tube contact the two trapezoidal top pins, enabling the two top pins to move up and down with the ejector cylinder while being limited and clamped to their outer wall. A connecting cylinder uses a limiting seat to limit and support a limiting ring. A fixed seat uses a fixing block to fix the adjustable clamping frame. The adjustable clamping frame clamps and guides the components within the limiting ring.

This utility model discloses an adjustable two-dimensional tail nozzle, belonging to the field of two-dimensional tail nozzle technology; it includes a connected engine and an adapter casing. A servo is provided on one side of the adapter casing. The output side of the adapter casing consists of a rectangular opening formed by two oppositely arranged fixed plates and two oppositely arranged adjusting plates. A power arm is provided at the output end of the servo. The right end of the power arm is connected to two parallel first connecting rods by a pin shaft. The other ends of the two first connecting rods are respectively connected to two second connecting rods. It can be applied to small afterburning turbojet engines to improve the flight speed of UAVs. Its structure is simple. The synchronous opening and closing movement of the adjusting plates is achieved through a single servo drive source, reducing the control difficulty, realizing engine thrust adjustment, reducing the number of structures, and making it lightweight, highly reliable, and low in cost. By setting a support rod on the outside of the adjusting plate, the adjusting plate can be limited. The structure is simple and the use effect is good.

This utility model discloses a precision preforming machine with a residual adhesive recovery structure, comprising: a molding box and a molding template, with a base installed below the molding box; the molding template is tightly fitted to the right side of the molding box, and the molding template is mounted on the molding box via a connecting mechanism that facilitates the recovery of residual adhesive; a cutting mechanism for preventing uneven cut surfaces is provided on the upper right side of the base. The connecting mechanism includes a mounting block, a support spring, a mounting rod, and a mounting cap; the outer end of the molding template is tightly fitted to the mounting block, and a support spring is installed on the left side of the mounting block; the molding template and the mounting block are both internally connected to the mounting rod via slots. This precision preforming machine with a residual adhesive recovery structure allows for quick assembly and disassembly of the template, cleaning of internal residual adhesive, prevention of residual adhesive mixing with processed adhesive reducing yield, and uniform cutting, ensuring a smooth cut surface.

The utility model discloses a kind of welding wire tube for surfacing welding with intelligent weighing, it is related to welding technical field.The utility model includes welding wire tube, the welding wire tube bottom is provided with damping mechanism, the damping mechanism bottom is provided with weighing mechanism, the weighing mechanism outer wall is fixedly connected with weigher, the damping mechanism includes fixed plate, the fixed plate bottom is fixedly connected with upper plate, the utility model is by being provided with damping mechanism, welding wire tube is driven fixed plate to move downward after being acted on by force, when fixed plate moves, upper plate will also move downward, spring will also move downward at this moment, to compress downward, telescopic rod will also contract downward simultaneously, when upper plate is pressed down, it will drive upper fixing frame to move simultaneously, the connecting rod of upper fixing frame inner wall will rotate at this moment, to push lower fixing frame to move simultaneously, sliding block will also move at this moment, to drive it to slide on the surface of center rod, spring will rebound upper plate after the action of force disappears.

The utility model belongs to the technical field of clothes, concretely relates to a convenient clothes label of changing, including the protective layer, label layer and connecting assembly who set up in order along its thickness direction, label layer is provided with the storage groove, be provided with electronic ink screen in the storage groove, connecting assembly includes installation layer and slide rail, one side of installation layer is bonded in label layer, the other side of installation layer installs slide rail, the slide rail is used for with the snap -groove on clothes sliding connection, the slide rail can detachable connection snap -groove, the end of slide rail is provided with magnet block, one side of the length direction of snap -groove is provided with the magnetism piece that cooperates with magnet block, the utility model discloses through optimizing label structure, solves the problem that once existing label is fixed and cannot change, is helpful to convenient label change.

The utility model discloses a kind of anti-interference linear motor with modularized mover iron core, including mover iron core main part, the two sides of the mover iron core main part are respectively provided with connecting block one, connecting block two, the four corners of the bottom of the mover iron core main part are fixedly installed with fixed block two, the both ends of the bottom side of connecting block one and connecting block two are fixedly installed with fixed block one, the side of fixed block one towards fixed block two is fixedly connected with the plug block inserted into fixed block two, the one side of the fixed block two inner cavity is slidably installed with pressing strip, the bottom of the fixed block two inner cavity is fixedly connected with four fixed frame, the utility model uses the modularization structure design of mover iron core, by mortise assembly and quick release design, when disassembling and maintaining to mover iron core, core component disassembly replacement time can be shortened, maintenance efficiency is improved, maintenance cost is reduced, and convenient is provided for the work use of user.

This disclosure relates to a buffer block and a vehicle. The buffer block is for mating with a vehicle body and a tailgate, and includes a base and an adjusting rod. The base has a mating cavity. One of the mating cavity and the adjusting rod is provided with a mating thread, and the other is provided with a first mating portion and a second mating portion. The first mating portion is provided with a forward thread, and the second mating portion is provided with a reverse thread. One of the forward thread and the reverse thread is used for threaded connection with the mating thread. Through the above technical solution, the buffer block provided by this disclosure is easy to install on a vehicle.

This utility model discloses a cutting device for refrigeration compressor castings, relating to the technical field of cutting equipment. It includes a stepper motor and a saw blade, and further includes a folding assembly. The bottom of the folding assembly is fixedly connected to the outer wall of the stepper motor via a frame. Buffer components are fixedly connected to the corners of the folding assembly. The folding assembly includes a main plate and a secondary plate connected by a hinge to form a foldable structure. When the device needs to be stored, the secondary plate can rotate around the hinge. The sliding connection structure between the insert and the threaded cylinder serves as a guide and limiter, ensuring a smooth and orderly folding process. Rotating the threaded cylinder pushes the limiter frame to slide along the outer wall of the threaded cylinder, causing the insert to move and match the insertion hole position of the folded main plate and secondary plate, achieving secure storage of the folding assembly. This cutting device achieves its purpose as a cutting device for refrigeration compressor castings.

This utility model relates to the field of injection molding nozzle technology and discloses a filter device for injection molding machine nozzles, including an injection tube and an injection nozzle. A connecting seat is fixedly installed on the outer edge of the injection tube at the end away from the injection nozzle. An external thread is formed on the outer edge of the injection tube at the end away from the injection nozzle. A limiting groove is formed on the inner wall of the injection tube away from the connecting seat. A filter assembly is set on the injection tube through the limiting groove. The filter assembly includes a filter sleeve, and a through groove and a filter groove are formed on the outer edge of the filter sleeve. This filter device for injection molding machine nozzles, through the design of a sliding ring, can be driven to reciprocate by the pressure. Subsequently, a connecting rod can drive a scraper to reciprocate along the inner wall of the filter sleeve. Utilizing the adhesion characteristics of the scraper to the inner wall of the filter sleeve, impurities attached to the vicinity of the filter groove are scraped off in time, preventing the filter groove from clogging. This avoids the need for additional motors and mechanical seals, which would easily lead to higher costs and be inconvenient for widespread use.

The utility model provides a wall -hanging energy storage device with child lock function contains energy storage device body, hangs the frame, and energy storage device body contains the case, and the upper side and the lower side of case back portion all parallel fixedly connected with a plurality of limit pegs, and the peripheral border of limit peg is provided with annular clamping groove, and the frame contains upper frame edge, lower frame edge, left frame edge, right frame edge, and upper frame edge, lower frame edge all contain bottom plate, front side plate, back side plate, left side plate, right side plate, are provided with U type gap on front side plate, and the child lock component is provided with in upper frame edge, and the child lock component contains sliding lock plate, jackscrew, reset spring, and is provided with the avoidance gap on sliding lock plate, and the one side wall of avoidance gap is provided with the clamping eave part, and is provided with the connecting screw hole on left side plate, and jackscrew is connected on connecting screw hole and its one end abuts in one end of sliding lock plate, and reset spring is abutted between the other end of sliding lock plate and right side plate, can lock after hanging the energy storage device on the frame, play the function of child lock.

The utility model discloses a kind of control device for household end heat balance regulation and control, belong to heating technical field, a kind of control device for household end heat balance regulation and control, including stove, the front side of the stove is provided with knob on upper end, the side of the knob is provided with the fixed plate of L shape setting, and the upper of knob is provided with protective cover, the front side of the vertical position of fixed plate is fixedly connected with the clamping seat in the middle, and the front side of the vertical position of fixed plate is movably connected with the rotating rod on upper end, the inside of the clamping seat is clamped and is provided with handle, the inner side of the rotating rod is fixedly connected with gear ring one end, is provided with meshing transmission assembly, the adjustment of protection assembly is carried out by meshing structure, more stable than spring structure, simultaneously not easy to damage, service life is longer, and setting limiting component, the adjustment end of meshing transmission assembly is limited, guarantee the adjustment stability of meshing transmission assembly, further improve the use effect of protection assembly.

This utility model discloses a shock-absorbing spoke structure and a wheel. The shock-absorbing spoke includes a tubular spoke, a guide seat, a wear-resistant bushing, and an elastic element. At least one end of the tubular spoke is slidably connected to a guide seat before being connected and fixed to the hub and rim respectively. The guide seat has a guide hole for the tubular spoke to pass through, and the wear-resistant bushing is installed in the gap between the guide hole and the tubular spoke. The wear-resistant bushing has a sliding hole for the tubular spoke to slide through. The elastic element connects the tubular spoke and the guide seat, and provides elastic force to separate the tubular spoke from the guide seat. By setting the wear-resistant bushing between the guide hole and the tubular spoke, a limiting function can be provided to prevent the tubular spoke from shifting or tilting as the wheel rotates. At the same time, the wear-resistant bushing also provides lateral support force to ensure that the tubular spoke can reciprocate and extend along the guide seat and the wear-resistant bushing in the axial direction, and achieves a good shock absorption and buffering effect in conjunction with the elastic element.

The utility model relates to the technical field of glass bottle forming, in particular to an improved glass bottle forming device. According to the technical scheme, the device comprises a base, a bottom die is fixedly installed in the middle of the upper surface of the base, side plates are symmetrically and fixedly installed on the two sides of the upper surface of the base, hydraulic cylinders are fixedly installed on the outer sides of the two side plates, and the output ends of the two hydraulic cylinders are fixedly connected with movable plates; the inner sides of the two moving plates are fixedly provided with section molds, the positions, close to the two ends, of the outer sides of the two moving plates are fixedly provided with sliding sleeves, two sliding rods are fixedly connected between the inner sides of the two side plates, the sliding sleeves are slidably connected to the outer surfaces of the sliding rods in a sleeving mode, and the middle positions of the outer surfaces of the two sliding rods are fixedly connected with sleeves in a sleeving mode. According to the glass bottle forming mold, contact impact of the mold can be avoided in the mold closing process of the glass bottle forming mold, so that the mold is prevented from being damaged, and meanwhile, the mold after mold closing is positioned.

The application discloses an adjustable door beam and a followable door body, and particularly relates to the technical field of door body devices, which comprises a beam groove block, the rear end of the beam groove block is provided with a baffle, a pushing component is fixed to the left side wall of the inner cavity of the beam groove block, and a rotating component and a starting component are fixed to the right side wall of the inner cavity of the beam groove block; a top block is fixedly installed at the lower end of a connecting plate, the right side of the top block is provided with a door body component two, the front and back ends of the top block are both provided with a rack, the left end of the top block is fixed with two symmetrical straight plates, the ends of the two straight plates that are close to each other are fixed with a clamping column, the clamping column is matched with a clamping groove, and the lower end of the top block is fixed with a movable door plate. The adjustable door beam and the followable door body can adjust the rotating angle of the door body through the cooperation between the rotating component, the starting component and the door body component two, so that the device can be applied in different environments.

This utility model discloses a landing gear for a drone with stable landing, including a support structure consisting of two sets. Each support structure includes a rhomboid block and mounting tubes. Sleeves are fixedly connected to two opposite corners of the front face of the rhomboid block, and sleeves are fixedly connected to the other two opposite corners of the rear face of the rhomboid block. The four mounting tubes are arranged in an X-shape, with one end of each tube installed inside a sleeve and the other end fixedly connected to a mounting plate. A mounting cavity is formed at the center of the mounting plate. Two mounting plates at the bottom are equipped with anti-vibration structures. The X-shaped distribution of the rhomboid blocks and mounting tubes enhances the overall stability of the landing gear, allowing the drone to land more smoothly and reducing the risk of damage due to instability. Furthermore, the combination of mounting tubes and sleeves facilitates efficient assembly, and if one component is damaged, it can be replaced promptly, ensuring the overall service life.

This application provides a transmission mechanism for a circular knitting machine, including a large disc base. A large disc gear is rotatably mounted in a receiving groove on the large disc base and meshes with a drive gear. Several support shafts are provided around the receiving groove, and sleeves are movably mounted thereon. Gears are rotatably mounted on the outer periphery of the sleeves and mesh with the large disc gear. The multiple gears form a multi-point synchronous meshing structure with the large disc gear. The receiving groove also has a slot, and the large disc gear has a protrusion at the position corresponding to the slot. When the large disc gear is in the receiving groove, the protrusion is embedded in the slot, thereby supporting and limiting the large disc gear. One side of the slot has a groove extending into the interior of the large disc base and is equipped with an elastic pulley component. The elastic pulley component includes an elastic element, one end of which is connected to the inner wall of the groove, and the other end is connected to a bearing plate on which a roller component is mounted. When rotating, the elastic element can support the large disc gear and improve the stability of the large disc gear transmission.

The utility model discloses a kind of anti-mixing line devices for loom, belong to loom technical field, including rack, winding seat and limiting mechanism, the rack includes base and support, the winding seat is slidably installed between two supports, the rack further includes the drive assembly for driving winding seat to lift, the bottom of the winding seat is fixedly installed with multiple first motor, the output end of the first motor is fixedly connected with support shaft, winding roller is slidably sleeved on the support shaft, the lower end of the winding roller is abutted on limiting ring, the limiting ring is integrally arranged on support shaft, the limiting mechanism includes the frame fixedly installed in the top of winding seat, the top of the frame is fixedly installed with pneumatic cylinder, the piston end of the pneumatic cylinder is fixedly connected with limiting plate, the bottom of the limiting plate is rotatably installed with multiple limiting sleeves adapted with support shaft;The setting of limiting mechanism facilitates the replacement of winding roller, improves the working efficiency of loom.

This utility model discloses a sedimentation tank for wastewater treatment with a scum removal structure, comprising: a sedimentation tank body; a cleaning mechanism is provided on the upper inner side of the sedimentation tank body, wherein the cleaning mechanism includes a slot, a connecting rod, and an inclined plate. The slot is opened on the inner side of the sedimentation tank body, and the slot is symmetrical about the vertical central axis of the sedimentation tank body. In this sedimentation tank for wastewater treatment with a scum removal structure, the rotating first threaded rod moves the inclined plate through the collection frame, and the moving inclined plate collects the scum floating in the sedimentation tank body into the collection frame for easy cleaning. The rotating second threaded rod moves the cleaning plate, thereby cleaning the sludge adsorbed on the inner side of the sedimentation tank body to the left side of the inner side of the sedimentation tank body, and then discharges it from the sewage outlet for easy treatment. All the stirring rods rotate, which accelerates the mixing of wastewater and treatment agent inside the sedimentation tank, thereby reducing the reaction time.

This utility model discloses a stamping submersible pump, including a submersible pump body. One end of the submersible pump body is movably connected to a water inlet section. A guide block is fixedly connected to the surface of the water inlet section. Both the guide block and the surface of the water inlet section are provided with annular grooves. A slide bar is slidably connected inside the annular groove. One end of the slide bar is fixedly connected to an elastic stop block. Filter screens are fixedly connected to the opposite surfaces of the two slide bars. Multiple hooks are fixedly connected to the surface of the filter screen. When it is necessary to clean or replace the filter screen, pull the protruding part of the filter screen and lift it outwards to disengage the hooks from the mesh of the filter screen. Then, pull the elastic stop block to pull the slide bar out of the annular groove. This allows the filter screen to be removed for easy cleaning or replacement. At the same time, the annular groove and slide bar limit the filter screen during use, preventing it from shifting or loosening.

This invention relates to the field of steel truss construction technology, specifically to a pressure-sensitive intelligent sliding shoe device for steel truss jacking construction. The device includes: a sliding beam, a sliding shoe placed on the surface of the sliding beam, a pressure sensor on the surface of the sliding shoe, a jacking head on the surface of the sliding shoe, a horizontal plate inside the sliding shoe, a connecting plate fixed to the bottom of the horizontal plate, an L-shaped rod fixed to the surface of the horizontal plate, and a limiting plate at the bottom of the L-shaped rod. The beneficial effects are: when the surface of the limiting plate contacts both sides of the sliding beam, the L-shaped rod can continue to insert into the interior of the limiting plate, and the bottom of the connecting plate inserts into the connecting groove, so that one side of the connecting groove is supported. One side of the horizontal sliding plate supports the surface of the limiting plate, and the fourth tooth on the surface of the horizontal sliding plate engages with the surface of the third tooth, stabilizing the position of the limiting plate. The limiting plate supports both sides of the sliding beam, playing a limiting role. When the sliding shoe moves, the limiting plate can play a limiting role.

The utility model discloses a milling cutter with protection structure, including milling cutter main part, the outside of milling cutter main part top is equipped with clamping mechanism, and the top of milling cutter main part is equipped with adsorption mechanism, the utility model discloses through bottom ring, spring, baffle, scraper and bevel angle cooperation uses, through the upward movement of milling cutter and follow bevel and extrude baffle, baffle removes, and spring takes place compression, and one end of baffle moves along the inside of bottom ring, and simultaneously, the scraper on baffle will be closely contacted with the outer surface of milling cutter, along with the removal of milling cutter, and the scraper can effectively remove the residual cutting chips and oil stains that adhere to the surface of milling cutter, ensure that milling cutter is clean, and prepare for the next use, when milling cutter removes to the inside of protection cylinder completely, spring will push baffle reset in the process of releasing compression energy, and the baffle after reset will shield the bottom of protection cylinder, and the bottom end of milling cutter is protected, and then it is favorable to the use of personnel.

The utility model relates to a point gum needle head technical field discloses a kind of quick replacement's point gum needle head assembly, including installation pedestal, the inner wall of installation pedestal is equipped with vertical slot, the inner wall of installation pedestal is equipped with encircle groove, the utility model is through locking buckle, reset spring, extension block etc. structure, when disassembling point gum needle head, only need to press simply two sides locking buckle, rotate base, again pull up base to make base enter vertical slot, spring reset is ejected at this time, base is ejected from installation pedestal by pressure ring, to disassemble point gum needle head, operation step is simple and convenient, greatly save disassembly time, improve work efficiency, encircle groove after installation limit effect to extension block, prevent extension block from separating, and the clamping structure of locking buckle and ejection hole further strengthens the stability after the installation of point gum needle head, ensure that point gum needle head will not easily shake or shift in use process, improve the stability of entire point gum needle head assembly.

The utility model relates to a bending pipe auxiliary tool technical field especially relates to a manual tool for metal conduit big bending radius processing, the utility model discloses disc and rotary support structure are equipped with on the upper portion of bottom plate through shaft A, washer and gasket, and can rotate freely around shaft A, be provided with gyro wheel subassembly on rotary support structure, sliding support subassembly is assembled on the bottom plate, and is located disc one side, and the conduit passes through sliding support subassembly and is supported by sliding support subassembly, and the front end of conduit is placed between disc and gyro wheel subassembly and is clamped by both, and rotates rotary support structure and drives conduit to rotate with disc and completes bending work, the utility model discloses technical scheme solves the problem that the existing bending pipe machine in prior art cannot realize the conduit with too big bending radius, and the bending pipe machine manufacturing cost is high, and the bending pipe object is single.

The utility model discloses a vehicle -mounted refrigerator with bottle body support, include: refrigerator main part has the shell and the inner container and the upper cover, refrigeration component is used for refrigerating and heating for refrigerator, bottle body support subassembly, including support main part, support main part has the bearing plate and the positioning board, bearing plate with support main part is connected, the positioning board can overturn installation, has the positioning hole for limiting bottle body. The utility model discloses beneficial effect lies in, realizes vehicle -mounted refrigerator refrigeration and heating, and has bottle body support subassembly simultaneously, guarantees that bottled article will not be damaged in the vehicle driving process, satisfies a variety of use needs.

This utility model discloses an impact-type filling powder box, including a shell, within which a powder box body is installed. A first rotating shaft and two second rotating shafts located on either side of the first rotating shaft pass through the powder box body. A stirring paddle is sleeved on the first rotating shaft, and a slanted plate paddle is sleeved on the second rotating shaft. The powder box body is provided with a driving component for rotating the first and second rotating shafts. This utility model has the advantages of improving the stability of each filling and addressing the issues of low bulk ratio powders having poor flowability, small cavity size, and difficulty in filling.

The application belongs to the technical field of connectors and discloses a wire end connector which comprises a plug shell and a fixing piece, the plug shell is internally provided with a fixed section and an insertion section which are connected with each other along a first direction, cable mounting grooves are provided through the fixed section and the insertion section along the first direction, an insertion groove is formed in the side wall of the fixed section and is communicated with the cable mounting groove, and the insertion section can be inserted into a mating shell of a mating connector; the fixing piece comprises a main body and an extension which are connected with each other along the first direction, the main body is provided with a first cable limiting part, the main body can be inserted into the insertion groove, the first cable limiting part is clamped into a circumferential groove of a cable, and the extension is inserted into the mating shell. The wire end connector is used for improving the connection reliability of the wire end connector and the cable, thereby ensuring the normal conduction of current or signals.

The application discloses a kind of middle pressure pipeline through isolation joint vertical arrangement structure and fixed assembly, belong to middle pressure pipeline construction technical field.The middle pressure pipeline through isolation joint vertical arrangement structure and fixed assembly, by the hoop assembly is embraced in pipeline structure, make second piston be extruded and move up, make second piston move by the first piston movement of hydraulic drive, make first piston by connecting rod drive first locking block and limit block interlock, make the rotation direction of screw cylinder lock, when hoop assembly is locked in pipeline structure, make overall gravity move down, make first piston rod move down, then by the second piston rod movement of hydraulic drive, make second piston rod drive second locking block and aperture interlock, to bolt lock, prevent bolt from vibrating and loosening, to this can in hoop assembly assembly process, complete automatic locking screw cylinder, and the purpose of automatic locking bolt, to effectively play the effect of anti-disengagement, keep the firmness of pipeline installation.

The utility model relates to a kind of anti-explosion valve quick inflation tool, including base and inflation pipe, base is C-shaped opening structure, inflation pipe one end is connected gas source through air pipe, and the other end of inflation pipe is equipped with cylindrical cylinder, and cylindrical cylinder is equipped in base;Base is equipped with clamping plate, and clamping plate is connected with battery pack explosion valve clamping groove;When needing to use, only need to connect inflation pipe with quick connector, then clamping plate is clamped into corresponding battery pack explosion valve clamping groove, and then hand knob is rotated 90 degrees, under the action of spring, inflation pipe lower end surface is sealed with explosion valve through sealing ring, at this time, strong magnet firmly absorbs explosion valve core rod, ensure that battery pack does not bulge when quick inflation, with the characteristics of high inflation efficiency, simple to use, high safety.