34results about How to "Improved structure is simple" patented technology

A rewinding machine including a winding system and a feed path for a web material towards the winding system is described. Positioned along the feed path is at least one air jet severing member to cause severing of the web material after winding of each log has terminated.

The invention relates to an improved structure of a step-and-track-composite-type movable robot travelling system. According to the improved structure of the step-and-track-composite-type movable robot travelling system, a balance rocker arm hanger bracket of which the two sides are symmetrical is configured on an H-shaped chassis, and a work platform is placed at three fixing points of the balance rocker arm hanger bracket; a driving steering assembly driven by a linear travelling driving motor (54) and a steering travelling driving motor (76) is configured on the balance rocker arm hanger bracket and located on an H-shaped chassis outer bridge shell cross rod, and four supporting legs of the balance rocker arm hanger bracket are configured with joint track assemblies capable of achievingposture adjustment. According to the improved structure of the step-and-track-composite-type movable robot travelling system, the adaptability to a complex annular road surface is very high, and theflexible posture regulation and stable posture keeping capacity is achieved; the attaching profile modeling capacity of uneven complex ground automatic adaption is achieved, and disturbance of the uneven road surface on a vehicle is reduced; the weight loading capacity of the movable work platform is improved, and the stairway-climbing and obstacle crossing capacity is achieved; and through the four-wheel-driving mode, the vehicle cross-country capacity is improved, spot turn can be achieved, and the maneuverability is high.

The device (16) for adjustably fixing a front panel (11) to side walls (12, 13) of a drawer (10) or the like comprises a first part (17) fixable to a side wall (12, 13) of the drawer (10), and a second part (18) fixable to the front panel (11) of the drawer (10); the first part (17) and / or the second part (18) comprise at least a first and a second element (19, 20; 21, 22; 43, 44, 45) connected slidably to one another along a vertical and / or lateral direction, between which adjusting means (31, 32; 53, 54) are interposed so as to adjust the vertical and / or lateral position of the front panel (11) with respect to the lateral walls (12, 13) of the drawer (10).

The invention discloses a micro gas turbine fuel oil system and a control method thereof. A dual-oil-way oil supply manner is used for respectively supplying oil to a starting fuel oil nozzle and a main fuel oil nozzle; the combustion stability, the combustion efficiency and the uniformity of the temperature of the combustion chamber outlet can be greatly improved. According to the micro gas turbine fuel oil system, an onboard fuel oil pump, an acceleration regulating device and a starting electromagnetic valve are adopted, so that the structure simplicity of the fuel oil system can be greatlyimproved; a rotation speed and height compensation device is adopted, the environmental adaptability of the fuel oil system can be greatly improved; a starting cleaning valve is adopted, the servicelife of the starting fuel oil nozzle and the fuel oil system can be greatly prolonged; the gas turbine fuel oil system is of great significance to being simple and lightweight in structure, easy to maintain and high in reliability.

The invention relates to a multi-camera internal and external parameter calibration method, device and system based on a single-point calibration object. Specifically, the method is characterized in that, in any positioning space, infrared cameras are distributed according to actual requirements of the positioning space; an object wears a Tracker; LED marker points, which can be coded and can emitinfrared light, are attached on the surface of the Tracker; the system controls camera exposure and LED marker flicker synchronization through a wireless and wired communication mode; image information of the positioning space is obtained in real time through the infrared cameras; codes of the Marker points are identified according to the image information and space location information of the marker points is obtained; and space location information of the Tracker, that is, the space location information of the object, is calculated according to the space location information of the marker points, thereby realizing real-time location tracking of the object. The beneficial effects are that, through the active optical positioning technology, the method is higher in anti-interference performance than a passive optical positioning scheme and is better in robustness, and can be pushed to outdoor scenes; and in the active optical positioning scheme, working distance of cameras is large, sothat the number of the cameras to be installed per unit area is small, and cost is greatly reduced.

The invention discloses a turn-over driving device of a vehicle-mounted flat-panel display and relates to an electric driving device for changing the supporting state of a display. The turn-over driving device of the vehicle-mounted flat-panel display is provided with a motor and a deceleration mechanism which comprises two rectangular box bodies and two worm gears and two worms. A rotating shaftof the first worm in the deceleration mechanism is a transverse input shaft, a rotating shaft of the second worm gear in the deceleration mechanism is a transverse output shaft, and the two shafts areparallel to each other. Longitudinal bearings are mounted on a lower straight rod part and an upper straight rod part of the two sides of an arc surface thread part of the second worm correspondingly, transverse bearings are mounted on a left circular rod part and a right circular rod part of the two sides of a working part on the second worm gear correspondingly, wherein the working part is provided with a plurality of arc surface tooth grooves along the circumference surface, and the arc surface thread part of the second worm is engaged with the arc surface tooth grooves of the second wormgear. The deceleration mechanism is provided with the two rectangular box bodies, the first worm and the first worm gear are mounted in the first box body, the second worm, the two longitudinal bearings of the second worm, the second worm gear and the two transverse bearings of the second worm gear are mounted in the second box body, and thus machining and production are facilitated.

The invention discloses a self-adaptive archery auxiliary training system which comprises an information processor, an image collector, a sensor and a prompter; the sensor comprises a gyroscope whichis arranged on the bow arm of the bow and is used for measuring the pose angle of the bow in real time, the image collector is used for acquiring the target surface information, the information processor analyzes, calculates and judges the information acquired by the gyroscope and the image collector, the prompter guides the shooting action of the archery personnel; The system guides the shootingaction of the archery personnel through the information processor, the image collector, the prompter and the sensor, and the pose angle of the bow is measured by arranging the gyroscope on the bow arm, the system has a simple structure, is not easy to loosen, is convenient to install and adjust, and reduces the cost.

The invention relates to the field of aircraft structural design, in particular to a longitudinal beam transmission structure of a cargo compartment floor. The longitudinal beam transmission structurecomprises a longitudinal cargo compartment floor beam, a diagonal draw rod, a connecting joint, a diffuser, a frame and a long truss. One end of the longitudinal cargo compartment floor beam is connected to the frame and the middle part is hinged with the diagonal draw rod by a bolt. The other end of the diagonal draw rod is hinged to the connecting joint by a bolt; a vertical surface of the connecting joint is fixed with the frame vertically and the bottom surface is fixed with the diffuser; and the diffuser is fixed with the vertical surface of the long truss. Because of formation of the triangular stable structure and the only application of the axial load to the diagonal draw rod, the longitudinal beam reinforcing structure is simple, the weight is light, the processability is high, the cost is low, and the structure is easy to produce and assemble.

The invention discloses a glass fiber bin with a feed control system. The glass fiber bin comprises a bin portion, a discharging portion fixedly connected to the bottom of the bin portion and a conical portion arranged in the discharging portion or the bin portion and fixedly connected with the inner wall of the discharging portion or the inner wall of the bin portion. The conical vertex of the conical portion right faces the feed port of the bin portion, and a gap for materials to pass through is reserved between the bottom periphery of the conical portion and the inner wall of the discharging portion or the inner wall of the bin portion. According to the glass fiber bin, the material rushing phenomenon can be eliminated, the next process production can be guaranteed, the caking phenomenon can be eliminated, and therefore the bin can be prevented from being damaged.

The invention discloses a float level gauge applied in the measurement of the level of residue slurry with great measured level fluctuation. The conventional float level gauge is improved, i.e., a floating accessory is added besides a transmitter, a mounting flange, a magnetic float and a sensor / guide rod in the conventional structure, and depending on the greater buoyancy of the floating accessory in slurry and frequent level fluctuation, the float level gauge can remove fine particles splashed onto the top of the magnetic float due to great level fluctuation and stuck in the gap between the sensor / guide rod and the magnetic float. The invention solves the affection of fine particles, flotage and other adverse factors in the slurry of a residue slurry pond on measurement; and meanwhile, the great surge of the level can be filtered and smoothed as well. In actual production, the long-term application effect of the float level gauge is good. The float level gauge is particularly suitable for environments with turbid slurry, high residue content and frequent level fluctuation. The float level gauge is used for accurately and stably measuring the level, correctly reflecting the actual height of the level and providing stable and reliable real-time measurement data for an automatic control system.

The invention discloses an integrated air conditioner and heat exchanger cleaning device, which comprises a water receiving groove, a water distribution groove, a first flushing groove and a second flushing groove. The water receiving groove is connected with the middle of the water distribution groove, the first flushing groove is connected with one end of the water distribution groove, the second flushing groove is connected with the other end of the water distribution groove, and the bottom of the flushing groove is provided with a plurality of drain holes. The water receiving groove is used for receiving water and connected with the middle of the water distribution groove, and water received in the water receiving groove is uniformly distributed into the first flushing groove and the second flushing groove by the water distribution groove. The integrated air conditioner and heat exchanger cleaning device is structurally simplified and optimized, and cleaning effects of the first flushing groove and the second flushing groove are uniform.

The invention discloses a ring elastic buffer piece. The ring elastic buffer piece comprises an elastic ring, and a plurality of connecting rods and a plurality of elastic elements are arranged in theelastic ring; the ends of the connecting rods are connected with the side wall of the elastic ring, and each connecting rod comprises a first rod body and a second rod body which are spaced by a certain distance; the elastic elements are arranged between the first rod bodies and the second rod bodies, and each elastic element comprises a first shell, a first spring body, a second shell, a secondspring body, a first abutting piece and a second abutting piece, wherein the first shell, the first spring body, the second shell and the second spring body are sequentially connected in a sleeved mode from outside to inside, and each first abutting piece and each second abutting piece are fixedly connected with each first rod body and each second shell respectively; the axes of the first rod bodies, the second rod bodies and the elastic elements coincide. The ring elastic buffer piece is suitable for the joints of various machine parts, mechanisms and equipment, the strong impact of externalloads on the elastic ring is weakened, the accurate and multi-directional differential buffer protection effect on the whole interior of a machine can be achieved, the service life of the machine is prolonged, and the stability and accuracy of operation and use are improved.

The invention relates to a novel wind driven generator blade for broadband active control. The novel wind driven generator blade comprises a blade body and a plurality of jet components, the jet components are arranged below the surface of the blade body, the jet components are arranged along the upstream side of an airflow separation line on the surface of the blade body and are mainly arranged in a high-lift section close to a blade tip, and the surface of the blade body is provided with a plurality of jet outlets communicating with jet ports of the jet components. The jet components are lowReynolds number plasma synthetic jet exciters. The plasma synthetic jet exciters are driven by a high-frequency direct-current pulse power source to generate high-speed synthetic jet, the surface flow of the wind driven generator blade is controlled, the flow separation of the suction surface of the blade is overcome through the jet active control method, the high pneumatic performance can be achieved in a larger incoming flow attack angle range, the working resistance and the unsteady pneumatic load of the wind driven generator blade are reduced, and the power generation efficiency and stability of a wind driven generator are improved.

The invention discloses a scissor-type automatic particle packaging machine for material separation protection. The scissor-type automatic particle packaging machine comprises a machine body, a shearing device and a material separator device, wherein the shearing device and the material separator device are arranged on the machine body. The material separator device comprises a rotating disc and a material separation baffle. The material separation baffle is arranged above the rotating disc in a suspended manner. A resin stop piece is arranged on the outer side wall of the material separation baffle. The lower edge of the resin stop piece is attached to the upper surface of the rotating disc. The scissor-type automatic particle packaging machine has the beneficial effects that the resin stop piece is adopted for making contact with the stainless steel rotating disc, and metal particle pollution generated by friction between the material separation stop piece and the rotating disc is avoided; a gap between the resin stop piece and the rotating disc is smaller, discharging is more complete, and disassembling, replacing and internal cleaning are facilitated; and the structure is simple, and the equipment using and maintenance cost is effectively lowered.

An apparatus and method for manufacturing a microneedle are disclosed, which aim to reduce the production costs of microneedle preparation and improve the efficiency and quality of microneedle preparation. The apparatus for manufacturing a microneedle includes a baseplate, an elastomeric female mold, a horizontal movement mechanism, a vertical movement mechanism, a dispenser and a roller mechanism. The elastomeric female mold is disposed on the baseplate and has a surface formed thereon with cavities complementary to needle bodies. The dispenser includes a reservoir for holding a solution for forming the microneedle. The roller mechanism is disposed on the dispenser and includes a roller. In practical use, the roller is driven by the vertical movement mechanism to apply a predetermined value of pressure onto the elastomeric female mold and is then driven by the horizontal movement mechanism to move horizontally on the elastomeric female mold, thereby evacuating air from the cavities and coating the solution dispensed from the reservoir on the elastomeric female mold. In this way, high filling efficiency and good filling quality are achievable.

The invention discloses a combined type precision control buffering device. The combined type precision control buffering device comprises a main control ring, a plurality of secondary control rings arranged in the main control ring and installation blocks arranged outside the main control ring; the main control ring comprises an inner ring and an outer ring which are concentrically arranged, themultiple secondary control rings are sequentially arranged between the inner ring and the outer ring, and the multiple secondary control rings are connected with the main control ring; at least one elastic mechanism is arranged in each of the secondary control rings, two ends of the elastic mechanisms correspondingly abut against the inner walls of the secondary control rings, and the elastic mechanisms comprise coaxial and sequentially-connected connecting rods and elastic elements; and an even number of the installation blocks are arranged along the outer circumference of the main control ring. The combined type precision control buffering device is suitable for connecting machine parts, mechanisms and equipment which are in the same plane, joints are effectively buffered, a machine is protected, the service life of the machine is prolonged, and the operation usage stability and accuracy are improved; and precise buffering acting force can be provided for the machine by adjusting andcontrolling the elastic mechanisms, and meanwhile, the multi-directional differentiation buffering protection action is realized through the different elastic mechanisms in the different directions.

The invention discloses a busbar sleeve which is used in a high voltage switch cabinet. The structure of the busbar sleeve comprises a skirt which is arranged at the external wall of an insulator, and a busbar fixing plate which is radially arranged in an internal channel of the insulator, and the busbar fixing plate is opened with a through hole. The busbar sleeve of the invention is characterized in that: the cross section of the insulator takes the shape of a circular cylinder, the busbar fixing plate and the internal wall of the insulator are segregated, and the circular busbar fixing plate is embedded in an annular groove of the internal wall of the insulator. Compared with the prior art, the busbar fixing plate segregated with the internal wall of the insulator can adjust the angle of the through hole at option by rotating according to requirements, thus achieving the purpose that the metal busbar can be adjusted within 360 degrees along the axial direction of the sleeve, and the use or assembly of the busbar sleeve is very convenient; in addition, an enterprise can respectively process the busbar fixing plate and the insulator, and a selected corresponding busbar fixing plate is assembled in the annular groove of the internal wall of the insulator, thus the user requirement can be met. The busbar sleeve has the advantages of simple improved structure, strong commonalityand remarkable effect.

The invention relates to a micropump being easy to assemble, and relates to equipment of motor driven and transferring gas. The micropump is provided with a motor, a cylindrical base, an eccentric wheel with an oblique cutting hole, a steel needle, an umbrella type connecting rod with three clamping holes, an air cylinder plate with three air cylinder holes, a piston body with three air inlet valve pieces and three hollow pistons, an air chamber press plate with three exhaust holes, an upper cover with an exhaust pipe and three air outlet valve pieces, wherein a connecting part can enable the three air outlet valve piece to connect with a row of air outlet valve piece groups; the connecting part is provided with a triangular plain film or three starlight pattern bulges, and three top angles of the connecting part are respectively connected with one air outlet valve piece; and the air outlet valve piece groups are arranged in the inner space between the upper cover and the air chamber press plate, and three air outlet valve pieces in the air outlet valve piece groups respectively cover corresponding exhaust holes on the air chamber press plate. The micropump can avoid the phenomenon that one air outlet valve piece is not installed on a place in an assembling process, and even the phenomenon that one air outlet valve piece is leaked.

The invention discloses a scissor-type automatic particle packaging machine for material separation protection. The scissor-type automatic particle packaging machine comprises a machine body, a shearing device and a material separator device, wherein the shearing device and the material separator device are arranged on the machine body. The material separator device comprises a rotating disc and a material separation baffle. The material separation baffle is arranged above the rotating disc in a suspended manner. A resin stop piece is arranged on the outer side wall of the material separation baffle. The lower edge of the resin stop piece is attached to the upper surface of the rotating disc. The scissor-type automatic particle packaging machine has the beneficial effects that the resin stop piece is adopted for making contact with the stainless steel rotating disc, and metal particle pollution generated by friction between the material separation stop piece and the rotating disc is avoided; a gap between the resin stop piece and the rotating disc is smaller, discharging is more complete, and disassembling, replacing and internal cleaning are facilitated; and the structure is simple, and the equipment using and maintenance cost is effectively lowered.

The invention relates to an improved structure of a step-and-track-composite-type movable robot travelling system. According to the improved structure of the step-and-track-composite-type movable robot travelling system, a balance rocker arm hanger bracket of which the two sides are symmetrical is configured on an H-shaped chassis, and a work platform is placed at three fixing points of the balance rocker arm hanger bracket; a driving steering assembly driven by a linear travelling driving motor (54) and a steering travelling driving motor (76) is configured on the balance rocker arm hanger bracket and located on an H-shaped chassis outer bridge shell cross rod, and four supporting legs of the balance rocker arm hanger bracket are configured with joint track assemblies capable of achievingposture adjustment. According to the improved structure of the step-and-track-composite-type movable robot travelling system, the adaptability to a complex annular road surface is very high, and theflexible posture regulation and stable posture keeping capacity is achieved; the attaching profile modeling capacity of uneven complex ground automatic adaption is achieved, and disturbance of the uneven road surface on a vehicle is reduced; the weight loading capacity of the movable work platform is improved, and the stairway-climbing and obstacle crossing capacity is achieved; and through the four-wheel-driving mode, the vehicle cross-country capacity is improved, spot turn can be achieved, and the maneuverability is high.

The present invention refers to a food processing system presenting a recipient adapted for receiving food ingredients, and a driving arrangement adapted for driving a tool support provided inside of the recipient, and at least one weighing arrangement adapted for weighing the food ingredients. In particular, the weighing arrangement has an elongated structural member and at least one weighing member provided as a single piece that can be directly attached to the recipient or to the driving arrangement thereof.

The invention discloses a test device for on-line detection of the contact characteristics of a polishing pad and a method for using the same. The test device includes a base, a monocular microscope, a CCD camera, an XY two-way movable workbench, a sapphire observation window, a fixed ring, Counterweights, motion control systems and computers. The invention belongs to an on-line detection method. During measurement, the assembled sapphire observation window only needs to be placed on the surface of the polishing pad, and removed after the measurement is completed. The entire measurement process does not damage the surface structure of the polishing pad and does not affect the subsequent polishing process. The invention uses an optical microscope to directly obtain the real contact image of the polishing pad, and the test result is more accurate and reliable. The present invention can process microscopic contact images in batches, and use image processing software to obtain real-time microscopic contact feature information: including real contact area ratio, number of contact points, average size of contact points, distribution of contact points, etc., which is convenient for the guidance of subsequent trimming processes.

The invention discloses an upper die anti-cracking structure of a closed type cold extrusion planetary gear die, which comprises a positioning structure and a die body, wherein the positioning structure comprises an upper die sleeve and a lower die sleeve which have the same internal hole diameter; and the die body comprises an upper die, a lower die, an upper ejector rod and a lower ejector rod.A die cavity of the upper disk die is of a tooth form, an intermediate shaft hole is in clearance fit with the upper ejector rod, the die cavity of the lower disk die is a concave pit, and the intermediate shaft hole is in clearance fit with the lower ejector rod. The plane at the lower end of the upper ejector rod is 0.5-1.5mm higher that the plane at the top end of the die cavity of the upper die, and the diameter of the bottom end of the upper ejector rod is equal to the diameter of a dedendum circle in the die cavity of the upper die. The internal stress borne by the upper die is transferred to the upper ejector rod through the improved structure, thus the cracking of the upper die is effectively avoided. In addition, the upper ejector rod is not easy to crack due to the borne pressure. The invention has the advantages of simple structure, easiness for manufacture and good anti-cracking effect, and is suitable for upper dies of closed type cold extrusion planetary gear dies with different specifications.

The invention discloses a direct push unlocking locking mechanism applied to an intelligent integrated feeder cabinet and the feeder cabinet. The feeder cabinet includes a circuit breaker that is slidably installed in the inner cavity of the cabinet through a bearing assembly, fixed on one side of the cabinet through hinges and The circuit breaker cabinet door covered by the inner cavity of the cabinet. The load-bearing component includes a bottom plate, a screw rod and a locking mechanism. One end of the screw rod is connected to the locking shaft body; the locking mechanism includes a locking block, a connecting rod mechanism and an elastic return mechanism. There are card slots; the link mechanism includes two connecting rods, one end of the connecting rods is respectively hinged with a clamping block, and the other ends of the connecting rods are hinged with each other. The rotation of the screw rod is limited by fitting the locking shaft body with the card slot, and the screw rod is locked so that it cannot be rotated, reducing irregular operations, thereby ensuring the safety of workers and preventing damage to related equipment by misoperation; at the same time, through the cabinet door. The electricity is separated from the human body, which improves the safety of the staff's operation, improves the convenience of operation, ensures the simplicity of the structure, and facilitates the maintenance of the present invention.

The invention relates to a sports earphone, which relates to a wireless earphone. It has a U-shaped bracket, the front ends of the left and right side brackets are respectively bent downwards, and an earplug shell with an earplug movement is provided; the Bluetooth circuit, digital / audio conversion and control circuit and battery are installed inside the middle part of the bracket; the middle part of the bracket is An independent hard shell, the left and right ends of which are respectively provided with axial rectangular jacks, and inserted into the rectangular straight tube part of the soft T-shaped elastic tube; the rear ends of the two independent hard side brackets are respectively A rectangular socket protruding inward is provided and inserted into the rectangular inner hole of the straight tube corresponding to the T-shaped elastic tube; the outer flanges of the two T-shaped elastic tubes are respectively clamped on the left and right ends of the shell and Between the rear ends of the corresponding side brackets; the left and right sides of the shell are respectively opened with pin holes passing through the corresponding jacks and installed with pins; the two pins are respectively inserted through the straight pipe part of the corresponding T-shaped elastic tube and the side bracket Internal vias to connect them. It can adapt to changes in the shape of the user's head, has elastic clamping force and is waterproof.

The invention discloses a low-power-consumption high-voltage direct-current contactor. The contactor comprises a ceramic shell, a magnetic pole plate, two static contacts, a movable contact piece, a push rod, a movable iron core and a reset spring, a first mounting groove is concavely formed in the lower side surface of the magnetic pole plate, a second mounting groove is formed in the movable iron core, and the push rod movably penetrates through the second mounting groove and the first mounting groove; the reset spring is provided with a first reset spring arranged outside the push rod in a sleeving mode and a second reset spring arranged outside the first reset spring in a clearance sleeving mode, the first reset spring is further in slight tight fit with the push rod, and the upper end and the lower end of the first reset spring elastically abut against the top wall of the first mounting groove and the bottom wall of the second mounting groove correspondingly; and the lower end of the second reset spring is further restrained in the bottom of the second installation groove, and the upper end of the second reset spring is further movably arranged in the first installation groove. According to the high-voltage direct-current contactor, the power consumption and the temperature rise of the coil are reduced, the stability, the safety and the short-circuit resistance of the contactor are improved, and the development requirements of contactor products are met.

The invention discloses a corn plot precision metering plate capable of adjusting seed-sowing and an application method thereof, and relate to the technical field of corn precision sowing. The metering plate includes a seed arranging disc and hole covering boards; the top end of the seed arranging disc is provided with hole grooves in circle-shaped arrangement, and two seed holes are arranged in each hole groove; and the hole covering boards are arranged in the seed arranging disc through the seed holes. The beneficial effects of the metering plate are as follows: the metering plate can improve the convenient of the structure, lower production costs, reduce time consumption and enhance operation efficiency; and during working, precision operation under single grain, double grain, single-double grain, single-single-double grain and other various types of plot corn sowing modes can be realized with the rotation of the metering plate.

A mold used for manufacturing a plastic flexible pipe with joint parts and a manufacture method for the plastic flexible pipe with the joint parts at the two ends belong to an injection mold and a manufacture method of a plastic flexible pipe. The mold possesses fixed mold plate, a fixed mold core, a movable mold plate, a movable mold core and a core-pulling mechanism; the fixed mold core is fixedly disposed on the fixed mold plate, and the movable mold core and the core-pulling mechanism are fixedly disposed on the movable mold plate; the working surface of the fixed mold core faces to the working surface of the movable mold core, and a cavity for accommodating one end of the plastic flexible pipe and the corresponding joint part is arranged between the two working surfaces; the core in the core-pulling mechanism movably protrudes into the cavity and is inserted into the inner hole of the plastic flexible pipe; the mold also possesses a heating mechanism, a first heating element in the heating mechanism is arranged in the fixed mold core, and a second heating element in the heating mechanism is arranged in the movable mold core. The mold helps to fuse the ends of the plastic flexible pipe and the joint parts formed by injection molding without leakage phenomenon.