43results about How to "Restricted Escape" patented technology

The invention discloses a simple self-locking foldable connector which comprises an upper connector body, a lower connector body and a handle, wherein the upper connector body, the lower connector body and the handle are connected with a vertical pipe. The upper connector body, the lower connector body and the handle are connected through a hinge shaft, a wedge-shaped groove is formed in an inner wall in a cavity of the lower connector body opposite to the hinge shaft, and a wedge-shaped locking flange capable of being inserted into the wedge-shaped groove is arranged on the lower end face of the upper connector body. The simple self-locking foldable connector further comprises eccentric flat shafts between the hinge shaft and a hinge shaft installing hole of the handle and between hinge shaft installing holes of the lower connector body. The lower connector body is provided with the wedge-shaped groove, the upper connector body is provided with the locking flange matched with the wedge-shaped groove, when the handle is pulled to lock a folding mechanism, the locking flange of the upper connector body is inserted into the wedge-shaped groove of the lower connector to conduct locking directly, a locking structure is simple, part quantity is small, and installing is convenient.

The invention discloses a mowing table transmission device of a pedestrian-controlled lawn mower. The mowing table transmission device comprises a flat belt, an engine belt pulley, two cutter belt pulleys and a tensioning wheel mechanism, wherein a mechanism for preventing the flat belt from falling out of grooves is arranged on the outer side of the flat belt between the engine belt pulley and the other cutter belt pulley, and belt blocking hoods are respectively arranged on the outer sides of the two cutter belt pulleys; the upper and lower sides of the flat belt are located between the upper and lower horizontal rods of a belt support rack; the groove width of the engine belt pulley is larger than the width of the flat belt. The mowing table transmission device has the advantages that the device is simple in structure, low in cost and high in use efficiency; when the terrain clearance of a mowing table is adjusted, the flat belt can move vertically to adapt to the height change of the mowing table, and the service life of the flat belt is prolonged; the mechanism for preventing the flat belt from falling out of the grooves uses the belt support rack to prevent the flat belt from falling out of the grooves and can drive the flat belt to move up and down so as to adjust the terrain clearance of the mowing table.

The invention provides a single-guide-rail automobile glass lifting and lowering device of a brand-new structure form. The single-guide-rail automobile glass lifting and lowering device comprises a reel, a guide wheel, an upper and lower steel wire rope, sliding blocks and an output motor, wherein the upper and lower steel wire rope is wound on the reel and the guide wheel; the sliding blocks arein sliding connection to the upper and lower steel wire rope; and the output motor is used for driving the reel to rotate. The single-guide-rail automobile glass lifting and lowering device also comprises an integral punching guide rail, wherein the integral punching guide rail comprises an automobile door metal plate installation interface, a guide wheel installation interface, a steel wire ropebracket installation interface and an output motor installation interface in sequence from top to bottom. Compared with a traditional glass lifting and lowering device, the invention is characterizedin that the guide rail integrates various functional interfaces, including an automobile door installation interface, the guide wheel installation interface, the steel wire rope bracket installation interface, the motor installation interface and the lie, parts, including a lifting and lowering device installation bracket, a steel wire rope bracket, a motor seat plate and the like, are reduced, assembling processes are simplified, the input of a production line is reduced while parts are reduced, production takt is quickened, and purchase cost and manufacture cost are greatly saved.

The invention relates to a full-automatic lock for container securing and belongs to the technical field of container securing and locking. The full-automatic lock is characterized in that a lock head is formed by embedding a cone in a middle notch of a hook; a longitudinal section of the hook is connected with a hook head body through a thick hook shaft, the hook head body is in the shape of an approximate equilateral triangle with a fillet, the hook head body is connected with the thick hook shaft at the position approximately two thirds of the side length, a hook head and an X-direction self-locking surface are formed by the reserved part of one third of the side length, an outward protrusion in the shape of an obtuse triangle is arranged at the back of the hook shaft, and holes allowing a load-bearing pin shaft to penetrate are formed in the end portions of the hook shaft. The cone is of an upper bird head-lower bird head structure, an upper bird head is broad in mouth and large in eyes, a lower bird head is small in eyes and sharp in mouth, the upper bird head and the lower bird head share a rectangular tail parallel to the bottom surface, a groove capable of allowing a limit block to be inserted in is formed in the back of each bird head, and a return spring is arranged. The full-automatic lock has the advantages that leftward-rightward or frontward-backward movement of a container is prevented; the container is prevented from rolling over; the full-automatic lock is quite convenient to mount and use; besides, the full-automatic lock is simple in structure and low in cost, and can be widely applied to vehicle-mounted and ship containers.

The invention discloses a friction reducing and buffering structure for a contactor. The structure comprises a contact support, a buffering piece is arranged on a collision face, the contact support makes contact with a shell on the collision face, and an elastic buffering face is formed on the buffering piece. The friction reducing and buffering structure can buffer the collision between the contact support and the shell, and reduce the friction between the contact support and the shell.

The invention provides a preparation method of Ag / SnS2@rGO, which includes the following steps: weighing and taking 0.25g of Ag-modified globular-flower-like SnS2 prepared by the preparation method ofAg-modified globular-flower-like SnS2 described in Right 3, adding the Ag-modified globular-flower-like SnS2 into 3-10ml of monolayer graphene oxide dispersion liquid with a concentration of 1mg / ml,and stirring the Ag-modified spherical SnS2 uniformly by magnetic force; and then, adding 0.1-0.5g of ascorbic acid to prepare Ag / SnS2@rGO through self-assembly. The sheet structure of graphene oxideis used to restrain the enormous volume expansion caused by SnS2 intercalation and de-intercalation in sodium ions, and thus, the cycle stability of the material is improved. Moreover, the sheet structure of graphene oxide can further limit the de-intercalation of Ag ions from SnS2 sheets.

The invention discloses a novel automatic-positioning pipe-sleeved-pipe connection structure and an assembling method thereof. According to the structure, by cooperating an elastic buckle on an end plug of a buffer pipe with a slot on an end plug of a guide pipe, the buffer pipe can be automatically positioned in the guide pipe when being inserted into the guide pipe, and then shrinkage of the elastic buckle is limited by a screw, so that limiting of the elastic buckle on the end plug of the buffer pipe is realized, the buffer-pipe end plug is prevented from being out of the guide-pipe end plug, and finally the expanded connection between the guide pipe and the buffer pipe prevents the relative rotation of the guide pipe and the buffer pipe. The structure realizes automatic positioning of the buffer pipe in the guide pipe, the assembling operation is simplified, and production efficiency is improved.

The invention provides a handle assembly, a distributor, a detergent box assembly and clothes treatment equipment. The handle assembly comprises a handle body and a decorating part, wherein the handlebody is provided with a clasp groove penetrating through the appearance face of the handle body; the decorating part is arranged in the clasp groove and is connected with the handle body through a movable connection structure, and the size of the decorating part is adaptive to the size of the clasp groove, and is used for sealing the clasp groove under the natural state and flush with the appearance face. The handle assembly, the distributor, the detergent box assembly and the clothes treatment equipment have the advantages that the decorating part is added in the clasp groove of the handle body, since the size of the decorating part is adaptive to the size of the clasp groove, the decorating part can seal the clasp groove under the natural state, thereby avoiding the situation that the dirt is hidden in the clasp groove, improving the cleanliness of the product, not only ensuring the integrity of the appearance face of the handle body, but also ensuring the smoothness of the appearance face of the handle body, and playing a good decorative role. In addition, the decorating part is movably connected with the handle body to trigger the decorating part, so that the clasp groove is exposed for a user to push and pull the handle assembly, thereby achieving the normal operation of the distributor.

The invention discloses an adjustable dark line box. An outer box and an inner box capable of being movably arranged in the outer box are arranged on the dark line box; the outer box is a box body with an opened end, a locating part is arranged on an inner wall of the outer box; multiple locating holes matched with the locating parts are arranged on the sidewall of the inner box at intervals alonga width direction; when the inner box moves in place, the locating parts fall in the locating holes so as to locate the outer box and the inner box. The outer box and the inner box are arranged on the adjustable dark line box, and the inner box is movably arranged in the outer box, and the width of the line box can be adjusted by moving relative locations of the inner box and the outer box, thereby adjusting the mounting location of the dark line box, and the dark line box is suitable for the mounting of the mounting holes in different sized without raising or thickening the dark line box. Furthermore, the inner box is prevented from breaking away from the outer box in the mounting process by arranging an anti-off structure, and the mounting efficiency is improved. The adjustable dark line box disclosed by the invention has the features of being simple in structure, material-saving and convenient and fast in mounting.

The invention relates to a backlight module and an anti-disengagement pre-assembly assembly thereof, the anti-disengagement pre-assembly component is formed by assembling a light guide plate and an LED lamp panel in advance, the light guide plate is provided with an inlaying and buckling groove, and the periphery of the inlaying and buckling groove forms a protective edge. In an example, the protective edge is integrally formed by the light guide plate. The LED lamp panel is embedded in the embedding and buckling groove of the light guide plate, the protective edge wraps the side edge of the LED lamp panel and protrudes out of the back face of the LED lamp panel, the back face of the LED lamp panel is exposed out of the embedding and buckling groove, and the light-emitting face of the LEDlamp panel faces the light-facing face of the embedding and buckling groove to form a fixed gap or is tightly attached to the light-facing face. The basic technical scheme of the invention has the effect of preventing the LED lamp panel from being vibrated and rubbed to influence the light emitting effect of the light guide plate, and the specific application occasion of one example is the vehicle-mounted display device.

The invention discloses a fabricated steel structure node. The fabricated steel structure node comprises a node short column and box type columns, wherein node flanges are connected to the node short column, a column flange is connected to each box type column, a kidney-shaped hole is formed in each node flange, a bolt is arranged on each node flange, and a rod part of each bolt is arranged in the corresponding kidney-shaped hole in a sliding mode; and a nut is in threaded connection to the rod part of each bolt, each nut is located on the side, away from the head of the corresponding bolt, of the corresponding node flange, and a connecting groove allowing the rod part of the corresponding bolt to stretch into is formed in the side wall of each column flange. The fabricated steel structure node has the effect of improving the safety performance of the steel structure node during mounting.

The invention provides a concrete piston dismounting and mounting tool. The tool comprises a supporting base, a push-pull rod and a concrete piston connecting piece, wherein one end of the push-pull rod is hinged to the supporting base, one end of the concrete piston connecting piece is rotatably connected with the middle of the push-pull rod and can be slidably connected in the length direction of the push-pull rod, and the other end of the concrete piston connecting piece is provided with a clamping part which can be detachably clamped with the connecting rod end of a concrete piston. According to the concrete piston dismounting and mounting tool, not only the structure is simple, assembling is convenient, but also the tool can be suitable for concrete pistons in different structural forms, meanwhile, other power sources are not needed, the mounting and dismounting of the concrete piston can be completed in a manual mode, therefore outage operation can be realized, and potential safety hazards caused by misoperation when the concrete piston is dismounted and mounted do not exist.

The invention provides a crankshaft oil seal assembly, a crankcase and a vehicle. The crankshaft oil seal assembly comprises an oil seal base and an oil seal assembled on the oil seal base; the oil seal comprises a framework and an annular sealing body arranged on the outer side of an annular framework body in a sleeved mode; the framework is composed of the annular framework body and an annular boss extending towards the radial outer side of the annular framework body along the annular framework body, and the annular boss is provided with a first side end face and a second side end face whichare opposite; and the first side end face and the assembling face of the oil seal base are assembled together, and the second side end face is closer to an engine than the first side end face, so that the oil seal is prevented from being disengaged from the oil seal base through limiting of the annular boss. According to the scheme of the invention, when the pressure of the crankcase is abnormally too large in the leakage test or operation process of the engine, acting force can be applied to the oil seal, so that the oil seal moves towards the side, making contact with air, of the oil seal base, and the oil seal is prevented from being disengaged from the oil seal base due to the limiting effect of the annular boss.

The invention discloses a triangle lock device. The triangle lock device comprises a lock and a key which are matched with each other, and the lock comprises a lock body, a lock cylinder and an anti-disengaging mechanism; and a lock hole penetrating through the two ends of the lock body is formed in the lock body, a through groove communicating with the lock hole is further formed in the side wallof the lock body, one end of the lock cylinder is rotatably embedded in the lock hole, the anti-disengaging mechanism comprises an elastic clamping piece arranged in the through groove in a telescopic mode and a pulling and clamping device fixedly installed on the lock cylinder, the pulling and clamping device pushes an elastic clamping piece along with rotation of the lock cylinder, and the elastic clamping piece extends into the lock hole to limit the key from being disengaged. According to the triangle lock device, the anti-disengaging mechanism for limiting disengaging of the key is additionally arranged, the function that the key cannot disengage in the lock opening state is achieved, and the triangle lock device can be used as a device for opening an electric trigger switch; and other locks adopted by an elevator are the same as existing triangle locks, the effect that the triangle locks on all structures of the elevator share one key is achieved, the types of keys are reduced,and the overhauling and maintaining efficiency is improved.

A variable valve device of the invention has a structure in which, as connecting means for connecting a movable cam 22 located in an outer periphery of an outer camshaft 17a and an inner camshaft 17b located inside the outer camshaft 17a, there are provided a pin-like member 24 that is movably inserted so as to penetrate the movable cam 22, the outer camshaft 17a and the inner camshaft 17b along a diametrical direction of a shaft member 17 that is formed by turnably encasing the inner camshaft 17b in the outer camshaft 17a, and an escape-preventing portion 50 disposed in the end portion of the pin-like member 24. The movable cam 22 and the inner camshaft 17b are thus connected together while preventing large press-fit load and axial force from acting on components.

The invention relates to a full-automatic lock for container securing and belongs to the technical field of container securing and locking. The full-automatic lock is characterized in that a lock head is formed by embedding a cone in a middle notch of a hook; a longitudinal section of the hook is connected with a hook head body through a thick hook shaft, the hook head body is in the shape of an approximate equilateral triangle with a fillet, the hook head body is connected with the thick hook shaft at the position approximately two thirds of the side length, a hook head and an X-direction self-locking surface are formed by the reserved part of one third of the side length, an outward protrusion in the shape of an obtuse triangle is arranged at the back of the hook shaft, and holes allowing a load-bearing pin shaft to penetrate are formed in the end portions of the hook shaft. The cone is of an upper bird head-lower bird head structure, an upper bird head is broad in mouth and large in eyes, a lower bird head is small in eyes and sharp in mouth, the upper bird head and the lower bird head share a rectangular tail parallel to the bottom surface, a groove capable of allowing a limit block to be inserted in is formed in the back of each bird head, and a return spring is arranged. The full-automatic lock has the advantages that leftward-rightward or frontward-backward movement of a container is prevented; the container is prevented from rolling over; the full-automatic lock is quite convenient to mount and use; besides, the full-automatic lock is simple in structure and low in cost, and can be widely applied to vehicle-mounted and ship containers.

The invention discloses a novel automatic-positioning pipe-sleeved-pipe connection structure and an assembling method thereof. According to the structure, by cooperating an elastic buckle on an end plug of a buffer pipe with a slot on an end plug of a guide pipe, the buffer pipe can be automatically positioned in the guide pipe when being inserted into the guide pipe, and then shrinkage of the elastic buckle is limited by a screw, so that limiting of the elastic buckle on the end plug of the buffer pipe is realized, the buffer-pipe end plug is prevented from being out of the guide-pipe end plug, and finally the expanded connection between the guide pipe and the buffer pipe prevents the relative rotation of the guide pipe and the buffer pipe. The structure realizes automatic positioning of the buffer pipe in the guide pipe, the assembling operation is simplified, and production efficiency is improved.

The invention provides a temperature limiter mounting structure and a heater. The temperature limiter mounting structure comprises a connecting chuck, a temperature limiter, at least one elastic buckle and two limiting plates. The temperature limiter is rotationally arranged on the connecting chuck. The elastic buckle is arranged behind the motion path of the temperature limiter and is connected to the connecting chuck, the top end of the elastic buckles extend in the direction of the temperature limiter, and the connecting chuck is provided with gaps allowing the elastic buckles to be embedded. Inlets allowing the connecting chuck to enter are arranged on the two limiting plates, and the limiting plates are arranged in front of the motion path of the temperature limiter. In the temperature limiter mounting structure, through the combination of the limiting plates and the elastic buckles, the process of screws are independently arranged to fix the temperature limiter can be avoided, materials are saved, and manufacturing cost can be reduced. Meanwhile, the assembly process to the temperature limiter is simple, assembly efficiency is high, and the manual cost can be reduced easily.

The invention discloses a carrier device and method for wave soldering of bulb components, and relates to the technical field of bulb component welding. The carrier device includes a bottom plate, a cover plate and a frame, the frame is fixedly connected to the bottom plate, the frame surrounds the bottom plate, and a plurality of welding holes for welding the bulb assembly are opened on the bottom plate, the shape of the welding hole matches the light bulb assembly, and the frame A snap ring assembly is arranged on the top, and the cover plate is covered on the bottom plate through the snap ring assembly. The method includes the following steps: S1, putting the contact piece and the PCB board into a plastic seat to form a light bulb assembly; S2, putting the light bulb assembly into the welding hole on the bottom plate, covering the cover plate, and pressing the cover plate tightly through the clamp spring assembly ; S3, placing the carrier device on the conveyor belt, and transferring the carrier device to the wave soldering machine for automatic wave soldering. The invention adopts the carrier device to carry out wave soldering on the light bulb assembly, which can improve the welding quality, has a high welding yield, and thus improves the welding efficiency.

The invention discloses an outer rotor brushless motor which comprises a controller assembly. The controller assembly comprises a casing composed of a heat dissipation base and a rear end cover. A conductive support and a PCBA board are arranged in the casing. A positioning structure is arranged between the back surface of the heat dissipation base and the conductive support. A waterproof breathable mounting hole is formed in the heat dissipation base. A waterproof breathable film, a sealing ring and a check ring are sequentially mounted in the waterproof breathable mounting hole from front toback. The check ring is in interference fit with the waterproof breathable mounting hole. The conductive support is provided with a limiting plate portion used for limiting the check ring from disengaging from the waterproof breathable mounting hole. The limiting plate portion covers the reverse side of the waterproof breathable mounting hole and is provided with a through hole, and the diameterof the through hole is smaller than the diameter of the check ring. The brushless motor not only can facilitate the positioning and installation of the conductive support and the heat dissipation base, but also can avoid the falling of the check ring to avoid a disconnection phenomenon. The service life of the brushless motor is prolonged. The reliability is improved.

The invention discloses a power baffle of a server case, comprising a power slot, wherein two groups of fans are connected and inserted into the power slot, a communication hole communicating with other spaces of the case is arranged on one side wall, and a baffle clamping edge of limited position is arranged on the inner side of the upper port of the power slot; And a baffle plate is also included, wherein the baffle plate comprises a first elastic edge, a second elastic edge and a third elastic edge; the baffle plate is a rectangular plate matched with a power slot, and the four edges of thebaffle plate are bent downward, wherein the two opposite edges form the first elastic edge and the second elastic edge, and the other two opposite edges form two third elastic edges; The baffle is provided with a dismantling hole. The dismantling hole in the middle of the baffle plate can only pull the baffle plate outward by manually buckling the dismantling hole without tools. At this time, thefirst elastic edge, the second elastic edge and the third elastic edge can be deformed, and the baffle plate can be removed conveniently and quickly.

The invention relates to the technical field of household appliances, in particular to a fan. The fan comprises a base and a machine head assembly, a connecting piece is arranged on the end face, facing the base, of the machine head assembly, at least one first sliding structure is formed on the connecting piece, and a second sliding structure matched with the first sliding structure is integrally formed on the base. The connecting piece is arranged at the joint of the base and the machine head assembly, and the first sliding structure on the connecting piece is matched with the second sliding structure on the base, so that the machine head assembly is rotatably mounted on the base. Furthermore, the first sliding structure is integrally formed on the connecting piece, the second sliding structure is integrally formed on the base, and compared with the mode that a sliding rail and a support base need to be installed in the prior art, only the first sliding structure and the second sliding structure need to be assembled and matched in the assembling process, the structure is simple, and the assembling efficiency is high.

The present application discloses an assembled steel structure node, which includes a node short column and a box-shaped column. The node short column is connected with a node flange, and the box-shaped column is connected with a column flange. The node method There is a waist-shaped hole on the flange, and bolts are arranged on the joint flange, and the stem of the bolt is slidably arranged in the waist-shaped hole. The stem of the bolt is threaded with a nut, and the nut is located The flange is far away from the side of the bolt head, and the side wall of the column flange is provided with a connection groove for the bolt shank to extend into. The application has the effect of improving the safety performance of steel structure nodes during installation.

The invention discloses a fabricated building structure. The fabricated building structure comprises a plurality of ceramic tile bodies, keels used for being connected to an outer vertical face and a plurality of sets of connecting mechanisms arranged on the keels, the ceramic tile bodies are connected with inner plates, and the keels are provided with a plurality of connecting holes used for allowing the inner plates to be inserted. A connecting mechanism comprises a locking gear rotationally connected to a keel and a locking rack arranged on the keel in a sliding mode, the sliding direction of the locking rack is perpendicular to the extending direction of a connecting hole, the locking rack is meshed with the locking gear, and a locking groove used for allowing the end of the locking rack to be inserted is formed in the side wall of an inner plate. The fabricated building structure has the effect of conveniently dismounting ceramic tiles.

The invention provides a high-rim section steel tubeless vehicle wheel without a sealing ring and a weld joint. The high-rim section steel tubeless vehicle wheel is composed of a wheel body, an annular elastic retainer ring and a valve core, wherein an annular deep groove is formed in the middle of a rim, two bead seats are symmetrically arranged in the annular deep groove, a plane structure is upset at the inclined plane between the annular deep groove and one of the bead seats, and a valve hole is punched in the center of the plane structure; the valve core is assembled on the valve hole. According to the high-rim section steel tubeless vehicle wheel, since spokes and a rim body are integrally formed, the welding difficulty and the overall strength defect are overcome, the technologicalprocess of wheel manufacturing and production management are simplified, the wheel is convenient to disassemble and high in rime, and thus the axial displacement and disengagement of a tire are effectively limited.

This application relates to a prefabricated building, and discloses a light steel floor structure of a prefabricated building, which includes support beams for vertical load-bearing and joists for horizontal load-bearing, and an assembly opening is opened on the support beams. The joist is provided with an assembly block, and the connection between the joist and the support beam is formed by inserting the assembly block into the assembly opening, and the support beam is provided with a connecting mechanism for restricting the assembly block from coming out of the assembly opening . The supporting beams and joists of the overlapping joint of the present application can be locked during the splicing process without using fasteners to fix them one by one, which has the effect of reducing construction steps, shortening the construction period, and improving construction efficiency.

The invention relates to an iodine-doped derivative porous carbon (ZPC / I2) composite material and a preparation method thereof, and belongs to the technical field of battery electrode material preparation. A ZPC / I2 composite material is characterized in that a zeolite imidazate skeleton-8 (ZIF-8) is introduced in the preparation process to derive a porous carbon material, and the porous carbon material has a rich porous structure and a high-conductivity skeleton, and can provide effective iodine loading and allow rapid transmission of electrons. In addition, the existence of N, Zn and ZnO in the carbon skeleton can form chemical connection with iodine, so that the shuttle effect is reduced. The invention further provides a preparation method and application of the ZPC / I2 composite material, and the ZPC / I2 composite material is used as an electrode material of a battery. The preparation method of the ZPC / I2 composite material is simple, low in cost and beneficial to large-scale industrial production. The ZPC / I2 composite material has excellent rate capability and long cycle stability, and is suitable for being used as a battery electrode material.

The invention relates to an optical fiber connector and an optical fiber contact. The front end of the optical fiber connector is a plugging end, the optical fiber connector comprises a connector shell, a pressing plate, an MT pin, a fixing sleeve and a pushing spring, and the pushing spring is arranged between the fixing sleeve and the MT pin; the pressing plate is fixedly connected to the rear end face of the connector shell and is matched with the rear end of the fixing sleeve in an abutting mode to limit the MT contact pin from being disengaged from the connector shell. According to the optical fiber connector, the MT contact pin is prevented from being separated from the connector shell through the pressing fit of the pressing plate and the rear end of the rear sleeve and the pressingplate is fixed on the rear end surface of the connector shell through the pressing plate fixing screw so that the connection stability of the MT contact pin is improved, and the problem of poor connection stability of the MT contact pin and the connector shell of the conventional optical fiber connector is solved.

The invention discloses a friction reducing and buffering structure for a contactor. The structure comprises a contact support, a buffering piece is arranged on a collision face, the contact support makes contact with a shell on the collision face, and an elastic buffering face is formed on the buffering piece. The friction reducing and buffering structure can buffer the collision between the contact support and the shell, and reduce the friction between the contact support and the shell.