38 results about "Connection - action" patented technology

The invention relates to the technical field of H-shaped steel production processes, in particular to an H-shaped steel production process and a production line. Comprising a first assembling, welding and correcting all-in-one machine used for primarily welding H-shaped steel into T-shaped steel, a spot welding machine used for conducting spot welding on the T-shaped steel and a wing plate, an overturning machine used for overturning the H-shaped steel subjected to spot welding, and a second assembling, welding and correcting all-in-one machine used for conducting automatic submerged-arc welding on the formed H-shaped steel. Supporting bases are arranged at the welding output ends of the first assembling, welding and correcting all-in-one machine and the second assembling, welding and correcting all-in-one machine correspondingly and located below the wing plates. According to the H-shaped steel automatic submerged-arc welding device, by arranging a cut-off scraping plate, the cut-off scraping plate is matched with a sand suction shell assembly under the connection action of a matched moving mechanism, and therefore after automatic submerged-arc welding is conducted on H-shaped steel, generated welding sand strips can be cut off and then recycled, and then the effect of fully recycling the welding sand strips is achieved; strip-shaped welding sand strips are prevented from being accumulated on the outer side of the H-shaped steel, and the welding seam quality of the H-shaped steel is guaranteed.

The invention relates to a humanoid robot wrist joint structure driven by parallel motors, and the humanoid robot wrist joint structure comprises a mounting base, and a first driving mechanism, a second driving mechanism and a movable support which are arranged on the mounting base; the first driving mechanism comprises a first driving motor and a first transmission assembly connected with the output end of the first driving motor. The second driving mechanism comprises a second driving motor and a second transmission assembly connected with the output end of the second driving motor. The first driving mechanism and the second driving mechanism are arranged on the same side of the mounting base side by side in the vertical direction, and the first transmission assembly and the second transmission assembly are distributed on the other side of the mounting base; the movable support is provided with a fixed connecting end and an action output end; the fixed connecting end is connected with the end part of the mounting base; the action output end is connected with the first transmission assembly and the second transmission assembly. The scheme has the advantages of compact structure, low rotational inertia, sensitive dynamic response and the like.

The invention particularly relates to a space capsule type massage chair which comprises an outer main body, a seat part, a flexible backrest part, an inner seat support and a backrest frame, the seat part and the flexible backrest part are arranged in the middle of the outer main body, and the inner seat support and the backrest frame are arranged on the inner side of the outer main body and correspond to the seat part and the backrest part. The clamping and pinching assembly can be combined with the roller back assembly or the rapping assembly to synchronously conduct massage work, clamping and pinching massage can cooperate with rolling massage or rapping massage to conduct synchronously, the muscle relaxing efficiency can be improved, the rotation angle of the roller back assembly can be controlled in a push-pull mode through stretching and retracting of the telescopic push rod, and the muscle relaxing effect is improved. The roller wheel of the roller back assembly is rapidly and flexibly controlled to be separated from or abut against the back, under the connecting action of the linkage rod set, the front-back position of the rapping assembly can be pushed and pulled at the same time through rotation adjustment of the roller back assembly, the rapping assembly makes contact with or is separated from the back, rapid switching work of the roller back assembly and the rapping assembly is achieved, and therefore the use flexibility of the equipment is improved.

The utility model provides a kind of terminal of facilitating operation, including insulating shell, with accommodating cavity;Conductive piece, is arranged in accommodating cavity, at least part extends to insulating shell outside;Elastic clamp, is arranged in accommodating cavity, with movable end and fixed end;Driving guide wheel, rotationally arranged in accommodating cavity, one end of driving guide wheel and the movable end of elastic clamp abut, the other end and the fixed end of elastic clamp abut, and driving guide wheel is equipped with transmission part;Operating element, it has operating end, connecting end and driving end in turn, operating end extends to insulating shell outside, and connecting end is rotationally connected with insulating shell.The utility model does not need to rely on screwdriver and other external tools, it is to form the insertion gap between elastic clamp and conductive piece for wire threading / taking out by operating element and driving guide wheel, to realize more quickly, easily wire connection action, effectively reduce operation difficulty and save a lot of time.

This application provides a prefabricated anti-collision retaining wall steel formwork, relating to the field of anti-collision retaining wall steel formwork. It includes a first formwork and a second formwork arranged opposite each other, and multiple connecting rods horizontally interposed on the first and second formworks. Multiple first connecting seats fixed to the first formwork and multiple second connecting seats fixed to the second formwork are also included. Each of the first and second connecting seats has a threaded sleeve through which the connecting rod passes. The first and second threaded portions of the connecting rods are threadedly engaged with the corresponding first and second connecting seats. Both the first and second connecting seats are provided with a fixing mechanism to limit the rotation of the threaded sleeve. This application enables rapid connection of the formwork, with simple and quick connection operations, significantly reducing assembly work and effectively improving the assembly efficiency of the anti-collision retaining wall steel formwork, thus accelerating construction progress.

The invention relates to the technical field of transmission line operation and inspection equipment, in particular to a single-degree-of-freedom mechanical arm for mounting an angle steel tower body accessory device. The mechanical arm device comprises a fixing assembly used for fixing the mechanical arm device and serving as a fulcrum of the hoisting mechanical arm device, an action assembly installed on one side of the fixing assembly and executing installation or overhaul action through control motion, and a counterweight assembly installed on the other side of the fixing assembly and forming a lever structure with the action assembly. Lifting balance is kept by controlling the gravity center position and the action assembly, and the control assembly is connected with the action assembly and the counterweight assembly through a data wire and a control wire and used for sensing the states of the action assembly and the counterweight assembly and controlling the action assembly and the counterweight assembly to execute actions. Through a mechanical arm structure, mounting or overhauling of high-position accessory devices such as an angle steel tower is automatically completed, manual climbing operation is not needed, the operation efficiency and the safety of operators are remarkably improved, the fixed pull rod can be flexibly in butt joint with unmanned aerial vehicle equipment, and the hoisting stability of the equipment is improved.

This utility model relates to an integrated coffee grinder and brewing assembly for a coffee machine, including a grinding mechanism, a brewing mechanism, and a connector. The grinding and brewing mechanisms each have a powder dispensing section and a brewing / water dispensing section. The connector is equipped with a powder receiver, which has a brewing chamber. The connector can drive the powder receiver to connect with the grinding or brewing mechanism, thus connecting the brewing chamber with the powder dispensing or brewing / water dispensing section. The connector is connected to a drive mechanism, which can move the connector from the grinding mechanism towards the brewing mechanism; or the drive mechanism can move the connector from the brewing mechanism towards the grinding mechanism. The user only needs to complete the connection action between the powder receiver and the connector once during the entire coffee-making process, simplifying the operation. Furthermore, eliminating the need for multiple additional connectors for connecting with the powder receiver allows for a reduction in the size of the coffee machine and the space it occupies.

The application is a space cabin type massage chair, which comprises an outer main body, a seat part and a flexible backrest part arranged in the middle of the outer main body, an inner seat support and a backrest frame arranged on the inner side of the outer main body and corresponding to the seat part and the backrest part, and a relative movement pinch assembly is arranged on the front side of the lifting seat. The pinch assembly can be combined with a roller back assembly or a vibration assembly to perform synchronous massage work, so that the pinch massage can be performed synchronously with the rolling massage or the vibration massage method, the muscle relaxation efficiency can be improved, and the rotation angle of the roller back assembly can be controlled by the extension and retraction of the telescopic push rod. The roller of the roller back assembly can be quickly and flexibly controlled to separate from or press against the back. Under the connection action of the linkage rod group, the rotation adjustment of the roller back assembly can simultaneously push and pull the front and rear positions of the vibration assembly, so that the vibration assembly contacts or separates from the back, the roller back assembly and the vibration assembly are quickly switched, and the use flexibility of the equipment is improved.

The invention provides a temperature sensor assembly, a battery pack and a vehicle, and relates to the technical field of battery packs. The temperature sensor assembly comprises a sensor body, a sampling line, a fixing support and an aluminum bar, the sensor body is arranged on the sampling line, the fixing support is connected with the sampling line, and a first connecting part is arranged on the fixing support; the aluminum bar is provided with a second connecting part, and the fixing support is detachably connected with the second connecting part of the aluminum bar through the first connecting part. Wherein the fixing support, the sampling line and the sensor body can be regarded as a whole, the aluminum bar is arranged on a target piece, detachable connection of the fixing support and the aluminum bar is achieved by arranging the first connecting part and the second connecting part, only the detachable connection action of the fixing support and the aluminum bar needs to be completed during assembly, the convenience of connection operation is improved, and the cost is reduced. And hot riveting operation is not needed, and resistance drift or physical deformation caused by thermal stress is avoided.

The invention relates to the technical field of lead-acid storage batteries, in particular to a lead-acid storage battery with a built-in liquid cooling runner, which comprises a lead-acid storage battery shell and a water tank, a bayonet socket is fixedly sleeved with an anti-loosening assembly mounting seat, the anti-loosening assembly mounting seat is provided with an anti-loosening rod mounting groove, a screw sleeve is provided with a plurality of groups of anti-loosening grooves, and the anti-loosening rod mounting groove is provided with a plurality of groups of liquid cooling runners. A screw rod hole is formed in the anti-loosening assembly mounting seat, a screw rod is mounted in the screw rod hole in a threaded connection manner, and an anti-loosening rod is fixed at the top end of the screw rod; the liquid cooling pipeline locking device has the beneficial effects that the liquid cooling pipeline does not rotate, then the threaded sleeve is screwed on the bayonet socket through threaded connection, one group of locking grooves are aligned with the locking rod mounting groove, finally, the knob is rotated reversely, one end of the locking rod is inserted into the locking groove under the threaded connection action of the screw rod hole and the screw rod, and the locking rod is locked. And the other end of the anti-loosening rod stays in the anti-loosening rod mounting groove, so that the thread sleeve is limited in the circumferential direction, and thread loosening prevention between the bayonet socket and the thread sleeve is achieved.

The invention provides door body self-resetting function detection equipment which comprises a rack, a door body is arranged on the rack, the door body is connected with a door body clamping assembly, the door body clamping assembly is connected with an action execution assembly, the action execution assembly is connected with a driving structure, and the driving structure is connected with an intelligent control system. The rack is further provided with a detection assembly, and the detection assembly is connected with the door body clamping assembly. The door body clamping assembly comprises an upper cross beam, an upper fixing base, a lower fixing base, a door closer and a door handle, the door closer and the door handle are arranged on the door body, the upper fixing base and the lower fixing base are coaxially arranged, and the door closer is hidden in the door body and fixed to the door body through screws. According to the door body self-resetting function detection equipment provided by the invention, a cold chain electric appliance door body can be detected in a short-period and high-precision manner, the test frequency and the test times can be set according to the characteristics of the door body, automatic startup and shutdown can be realized, convenience and rapidness are realized, and the test efficiency is greatly improved.

The invention relates to the field of traction seats, in particular to a magnetic attraction force self-locking traction seat which comprises a traction seat shell, a locking claw is hinged to the interior of the traction seat shell, a linear sliding rail is arranged in the traction seat shell, and a guide driving mechanism used for starting when a traction pin enters is arranged in the linear sliding rail. Through the ingenious magnetic circuit switching design, the traction pin mechanically drives the second magnet to rotate in the insertion process, the magnetic pole relative relation between the traction pin and the first fixed magnet is automatically changed, and therefore generation and blanking of a magnetic field are intelligently controlled under the condition that external power is not needed. When the magnetic poles are in the same direction, the magnetic field is guided out through the guiding metal sheet, strong adsorption force is formed, the locking claw is rapidly attracted, and magnetic force auxiliary instant locking is achieved. According to the process, the insertion force and impact noise needed by pure mechanical locking are greatly reduced, the connection action is smoother and softer, meanwhile, the sufficiency and consistency of locking are ensured through the magnetic attraction force, and the connection reliability and the operation experience are improved.

The utility model relates to the technical field of air expansion shafts, in particular to an inserting piece type tile air expansion shaft capable of guiding a roll core, which comprises an air expansion shaft roller, a front shaft head is fixedly connected to the front end of the air expansion shaft roller, a limiting disc is fixedly connected to the front end of the front shaft head, and a central rotating shaft is rotatably connected to the middle of the front end face of the limiting disc. According to the inserting piece type tile inflatable shaft, through the arrangement of the limiting disc, the adjusting rotary disc, the guide conical block, the center rotary shaft, an anti-skid rotary handle, a guide groove, a first sliding block, an adjusting rotary groove and a second sliding block, the inserting piece type tile inflatable shaft can be conveniently fixed before a roll core is assembled; under the connection action of the front shaft head and the limiting disc, the adjustable guide structure can be adaptively adjusted according to the inner diameter of the roll core, so that the whole guide structure can adapt to the roll cores with different inner diameters for assembly, and the adaptability, practicability and guide effect of the inflatable shaft during actual assembly of the roll core are effectively improved.

The invention provides a valve plate assembly, a valve and a self-cleaning sealing method of the valve, and relates to the technical field of valve self-cleaning. The valve plate assembly comprises a sealing piece, an action switching mechanism and a driving mechanism. The sealing piece comprises a first sealing plate and a second sealing plate; the first sealing plate and the second sealing plate are symmetrically arranged along the linear axis of the action switching mechanism; the action conversion mechanism is mechanically connected with the sealing piece and the driving mechanism; the action conversion mechanism is configured to convert linear motion of the driving mechanism into closing or opening of the first sealing plate and the second sealing plate; cleaning pieces are arranged on the first sealing plate and the second sealing plate; and the cleaning piece is configured to generate relative movement with the valve port sealing surface in the continuous contact process of the first sealing plate and the second sealing plate with the valve port sealing surface. By means of the device, when many impurities are generated in airflow, the wedge-shaped structure of the valve can push impurity sediments away from a sealing area, and therefore the sealing reliability under poor working conditions is guaranteed.

The invention provides a fruit clamping mechanical arm which comprises a main support, and driven connecting rods are hinged to the two sides of the main support respectively. A power component is further fixed to the main support, an output shaft of the power component is connected with an action block, the two sides of the action block are each hinged to a driving connecting rod, and the other ends of the two driving connecting rods are hinged to the driven connecting rods on one side. When the power part drives the action block to move up and down, the driving connecting rod drives the driven connecting rod to do opening and closing motion; enough structural strength can be guaranteed, instability and path deviation cannot occur when the robot passes through complex obstacles such as plant branches and leaves, flexible contact clamping can be provided, and fruits cannot be damaged.

The utility model provides a modularization water stop structure for dike seepage prevention relates to seepage prevention water stop structure field, include: seepage prevention module, seepage prevention module is composed of seepage prevention board, connecting frame and locking spiral piece, through the cooperation of locking spiral piece and connecting frame, can realize the function that will adjacent seepage prevention board tightly spliced, thereby guaranteeing that water stop seal band can be stably extruded, seal the gap between adjacent seepage prevention board, use stability, seepage prevention water stop effect is extremely good, connecting frame can give seepage prevention board in locking process stable locking intensity transmission, guarantee the stable high efficiency of connecting action, solved the seepage prevention water stop module when splicing use does not have locking structure, namely does not have the function that will adjacent module tightly lock splicing, this leads to the problem that the gap between modules is easy to remain, reduces the effect of seepage prevention water stop.

The invention belongs to the technical field of tables, particularly relates to a bilateral intelligent control electric lifting table and a control method thereof, and provides the following scheme aiming at the problems that an existing table board can only keep a horizontal state, is lack of protective measures and single in storage function, is insufficient in synchronism and stability of a lifting system, and is easy to shake due to unilateral driving unbalance. Comprising a table plate and two sets of lifting mechanisms, the two sets of lifting mechanisms are located on the two sides of the bottom of the table plate correspondingly and used for adjusting the height of the table plate, each lifting mechanism comprises a mounting frame, and the mounting frames are fixedly mounted at the bottom of the table plate through screws. And when the table plate is adjusted to be in an inclined state, the connecting action of the mounting frame and the triangular inclined plate triggers the round rod I to move upwards, and the U-shaped protection plate is pushed to automatically rise along the vertical sliding groove through linkage of the connecting cross beam I and the ejector rod, so that a fence structure is formed.

This invention relates to the field of pole-lifting device technology, and in particular to an automated pole-lifting device suitable for automatic assembly and disassembly on construction sites. The automated pole-lifting device includes a base, a top pole section, and a pole splicing section. A stabilizing bracket is fixedly installed on the top of the base, and a sliding groove is formed through the top of the stabilizing bracket. The bottom end of the top pole section slides from the top of the stabilizing bracket into the sliding groove. This invention provides an automated pole-lifting device suitable for automatic assembly and disassembly on construction sites. By using threaded posts and threaded grooves as connecting structures, it achieves the splicing function between the top pole section and the pole splicing section, or between two pole splicing sections. This replaces the traditional connection method that uses multiple connecting structures. Only one connection action is required during assembly, simplifying the splicing operation and reducing the difficulty of assembly.

The application relates to the technical field of laser measurement, and discloses a laser measurement device for connector detection. The application solves the problem that it is inconvenient to disassemble and assemble the connector when the laser measurement device is used. The laser measurement device for connector detection is characterized in that a material taking and detecting mechanism, a material guiding component and a fixing component are arranged. When detection is carried out, each group of gear transmissions is driven by a motor B, the upper clamping assembly is driven to fix the connector, the motor B is started after the detection is completed, the upper clamping assembly is loosened, the lower clamping assembly is used to clamp the connector to be detected, the motor A is started to drive the fixing table to rotate, the fixing table abuts against the telescopic pressing plate to drive the movable rod B to rotate, the movable rod A is driven to rotate under the connection action of the metal strip, the inserted plate is used to lift the bottom of the detected connector, the connector is stably discharged, and the connector to be detected is sent to the upper side under the rotating action, so that the connector can be quickly and accurately disassembled and assembled for detection.

The application relates to a whole double-tube wellhead and Christmas tree device, which comprises a lower wellhead, a bearing step arranged on the inner wall of the lower wellhead, a bearing ring abutting against the bearing step, a locking seat abutting against the bearing ring, the outer side of the locking seat being threadedly connected with the lower wellhead, the inner side of the locking seat being threadedly connected with an upper whole wellhead, the inner wall top of the locking seat being provided with an inner plug-in part, the outer wall top of the locking seat being provided with an outer plug-in part, the top of the lower wellhead being provided with a first plug-in groove matched with the bottom profile of the outer plug-in part, the bottom outer wall of the upper whole wellhead being provided with a second plug-in groove matched with the top profile of the inner plug-in part, and the first plug-in groove and the outer plug-in part bottom abutting part and the second plug-in groove and the inner plug-in part top abutting part being respectively provided with a first sealing ring. The application is favorable for solving the problem that the cooperation degree of the thread connection action and the sealing effect is poor in some devices.

The utility model relates to the technical field of camshaft machining, in particular to a camshaft deburring device. Comprising a clamping device, a feeding device and a polishing device. The clamping devices are arranged on the two sides of the feeding device correspondingly. The polishing device is arranged on one side of the feeding device; a polishing brush of the polishing device corresponds to a clamping area of the clamping device; the feeding device comprises a conveying chain, a bearing plate and an action air cylinder. The bearing plate is used for bearing the camshaft to be machined; the bearing plate is connected with the conveying chain; the action cylinders are respectively arranged on two sides of the conveying chain; and the extension direction of the action cylinder faces the clamping area of the clamping device. In the prior art, although burrs on the surface of the cam shaft can be effectively polished, manual feeding and discharging are needed, and due to the fact that the weight of the cam shaft is large, the workload of workers is high, and manpower is consumed. Compared with the prior art, the cam shaft is pushed by the action air cylinder to carry out feeding and discharging, and therefore manpower loss is effectively reduced.

The utility model relates to the technical field of mixing equipment, in particular to a photovoltaic film raw material mixing device which comprises a base body and a mixing box arranged on the base body, a stirring plate is arranged in the mixing box, a feeding port extending to the upper portion of the mixing box is formed in the base body, a discharging port is formed in the lower portion of the mixing box, and the stirring plate is arranged in the mixing box. A cover plate is mounted at the upper end of the mixing box, and an avoiding opening is formed in the cover plate; during use, the driving mechanism is matched with the transmission mechanism, the longitudinal rotating shaft drives the stirring plate to rotate in the mixing box so as to uniformly mix and stir materials in the mixing box, and the crank rotates to push the sliding frame to slide on the guide rail in a reciprocating manner under the connection action of the connecting rod, so that the materials are uniformly mixed and stirred. Furthermore, the stirring plate in a rotating state slides in a reciprocating manner in the mixing box while rotating, so that the effect of comprehensively stirring even under the condition that the stirring amount is relatively large can be achieved.

The utility model discloses a paint mixing tank convenient to clean, which comprises a tank body, a bracket is arranged on the tank body, an electric telescopic rod and a motor are arranged on the bracket, the output end of the motor is connected with a transmission gear, the transmission gear is meshed with a driven gear, and the bottom end of the driven gear is provided with a connecting pipe. According to the device, through the telescopic movement of the electric telescopic rod, the movable shaft drives the guide rod to do horizontal telescopic movement in the transverse rod under the rotary connection action of the connecting rod, so that the guide rod drives the scraper to move, and the scraper is driven by the scraper to move. The scraper is in contact with the inner wall of the tank body, drives a transmission gear to rotate through a motor and is meshed with a driven gear, so that a connecting pipe drives a cross rod to rotate, and a stirring rod and the scraper synchronously perform circular motion through connection of a connecting rod, so that paint adhered to the inner wall of the tank body is scraped by the scraper; and the inner wall of the paint mixing tank is more convenient to clean.

The application relates to the technical field of valves, in particular to a butterfly plate rotating ball valve, an opening and closing mechanism of which comprises baffles arranged at two ends of a secondary pipe, one side of the baffle is fixedly provided with a second moving plate, the surface of the main pipe is rotatably connected with a second rotating shaft penetrating through the main pipe on the side close to the secondary pipe, one side of the second rotating shaft is fixedly connected with a butterfly valve, the bottom end of the second rotating shaft is fixedly provided with a second connecting shaft, the bottom end of the second connecting shaft is fixedly provided with a second gear, the surface of the second moving plate is provided with a second mounting groove, one side in the second mounting groove is fixedly provided with a second toothed plate matched with the second gear, the bottom end of the second moving plate is provided with a supporting structure, the second rotating shaft also synchronously rotates by 90 degrees during rotation of the butterfly valve, the second gear synchronously rotates under the connection action of the second connecting shaft and generates a force with the second toothed plate in the second moving plate, so that the baffle is extracted from the two end openings of the secondary pipe, and substances continue to flow through the secondary pipe.

The application discloses a kind of negative pressure tank overpressure automatic pressure relief device, including main support, action piston and elastic mechanism;Main support includes concentrically arranged outer cylinder and inner cylinder, and, the upper end of outer cylinder and inner cylinder is connected together sealingly by connecting ring, the center of connecting ring is provided with guide block, the through hole for the piston rod of action piston is provided on guide block, through hole is located in the center of inner cylinder, the plug body of action piston is adapted with the inner wall of inner cylinder;Gap is present between guide block and connecting ring, the lower part of inner cylinder has vent hole;Elastic mechanism one end is connected with the upper end of guide block, the other end is connected with the upper end of the piston rod of action piston.The application passes through the channel of emergency start external air to enter, to prevent further reduction of negative pressure in tank, to prevent equipment damage.When negative pressure is abnormally too low, start pressure relief action and issue alarm sound to remind operator.Action component whole course limits its movement track channel, improve equipment reliability.

The invention relates to a connecting assembly, an air inlet panel and an air conditioner. The connecting assembly comprises a first part and a second part, a limiting piece is arranged on the second component; a limiting hole is formed in the connecting piece, the connecting piece is detachably arranged on the second component, the limiting piece is arranged in the limiting hole in a penetrating mode, and the connecting piece is configured to be capable of moving relative to the second component so that the first end of the connecting piece can be inserted into the clamping groove or be separated from the clamping groove. The connecting piece and the second part are connected by inserting the limiting piece into the limiting hole, the connecting piece can be disassembled and assembled without screws or other parts, and replacement or adjustment is convenient; in the process that the connecting piece moves relative to the second component, the limiting piece moves along the limiting hole, the movement of the connecting piece relative to the second component is guided through the limiting hole, and the stability and controllability of the connecting action are improved; the first part and the second part can be connected and disassembled by moving the connecting piece, the structure is simple, connection and disassembly are convenient, and reliability is high.

The invention relates to an integral double-pipe wellhead and Christmas tree device which comprises a lower wellhead, a bearing step is arranged on the inner wall of the lower wellhead, a bearing ring abuts against the bearing step, a locking seat abuts against the bearing ring, the outer side of the locking seat is in threaded connection with the lower wellhead, and an upper integral wellhead is in threaded connection with the inner side of the locking seat. An inner inserting part is arranged at the connecting part of the top of the inner wall of the locking seat and the upper integral wellhead, an outer inserting part is arranged at the connecting part of the top of the outer wall of the locking seat and the lower wellhead, and a first inserting groove matched with the outline of the bottom of the outer inserting part is formed in the top of the lower wellhead; the outer wall of the bottom of the upper integral well mouth is provided with a second inserting groove matched with the outline of the top of the inner inserting part, and first sealing rings are arranged at the abutting position of the first inserting groove and the bottom of the outer inserting part and the abutting position of the second inserting groove and the top of the inner inserting part in a clamped mode respectively. The problem that in some existing devices, the matching degree of the threaded connection action and the sealing effect is poor is solved.

The utility model relates to the technical field of toys for children, and discloses an interactive toy and a busy board with the same. The interactive toy comprises a toy body which is provided with a guide piece; the force application assembly is mounted on the guide part and is suitable for moving along the guide part; the action assembly is installed on the toy body, the action assembly and the force application assembly are connected in a matched mode through a linkage assembly, and the action assembly is suitable for being driven by the linkage assembly to move in a linkage mode when the force application assembly moves along the guide part. According to the interactive toy, the force application assembly and the action assembly are separated in position, and the linkage assembly is used for enabling the force application assembly and the action assembly to act in a linkage mode, so that a user applies force to the force application assembly at one position and can observe the movement of the action assembly at the other position, the interestingness of the toy is improved, and the interestingness of the toy is improved. And the participation sense and exploration desire of children are improved.

The utility model discloses a road and bridge precast slab quick splicing structure, which relates to the technical field of precast slab splicing, and comprises a splicing plate, a driving component is arranged in the middle of the splicing plate, a plurality of connecting components are arranged on two sides of the splicing plate, the splicing plate is arranged between two adjacent precast slab bodies, and the connecting components are connected with the driving component. The connecting assemblies on the two sides are inserted into the prefabricated plate bodies on the two sides correspondingly, each connecting assembly comprises a limiting rod, the limiting rods are clamped into the prefabricated plate bodies, a rotary knob is rotated to drive a rotary shaft and a plurality of worms and worm gears to rotate, and therefore the connecting rods are driven to rotate synchronously, and the connecting assemblies are driven to conduct connecting action at the same time. And by arranging worm and gear connection, the anti-reverse-rotation effect can be achieved, the splicing stability and reliability are improved, the threaded rod drives the threaded sleeve and the movable block to move, the limiting rod abuts against the inserting groove, and the prefabricated plate body can be effectively prevented from being separated from the splicing plate.