38results about How to "Prevent roundabout" patented technology

The invention discloses a screwdriver. The screwdriver comprises a shank and a tool bit arranged at the front end of the shank; the shank forms a cavity; at least one chute is axially formed in the side wall of the shank; a spiral rod is positioned in the cavity, and is fixed corresponding to the tool bit; a spiral groove is formed in the outer wall of the spiral rod; an operation part coats the spiral rod, and includes at least one limiting block and thimbles penetrating through the limiting blocks; the limiting blocks are embedded in the chutes, and can slide in the axial direction of the shank; the thimbles are inwards shrunk and inserted in a spiral groove of the spiral rod when being suffered from an external force effect; and the limiting blocks axially slide in the chutes through elastic elements to drive rotation of the spiral rod and the tool bit. Compared with the prior art, the screwdriver skillfully uses the spiral principle for converting a linear motion of the operation part to a rotating motion of the spiral rod to drive the tool bit to realize screw locking along with rotation of the spiral rod, saves more time and labors in use, and is high in efficiency.

The invention discloses an asphalt tank pitch-variable stirrer. The asphalt tank pitch-variable stirrer comprises a power output system arranged outside an asphalt tank and a rotary stirring system arranged in the asphalt tank. The power output system is mainly composed of a motor and a speed reducer connected with the motor through a coupling. The rotary stirring system is mainly composed of a vertically arranged spindle and blades perpendicularly fixed to the spindle. The speed reducer is connected with the spindle through another coupling. The stirrer further comprises a pitch variable system. The pitch variable system is composed of an adjusting hand wheel, an adjusting gear set, a rack, a big gear plate, a small gear, a short shaft, a fixing base, a chain wheel and a chain. According to the stirrer, the mounting angle of the blades of the stirrer can be adjusted in real time according to the temperature, density and viscosity changes of asphalt in the tank, effective stirring of asphalt with different temperatures, densities and viscosities can be achieved, the production efficiency of the asphalt can be effectively improved, the energy consumption is reduced, the equipment damage probability is lowered, and the asphalt tank pitch-variable stirrer has prominent practicability and remarkable economic value.

The present invention belongs to the technical field of winged insect trap appliances, and especially relates to a power cabin assembly of a multipurpose splitlevel winged insect trap. The present invention discloses a power cabin assembly of a multipurpose splitlevel winged insect trap. The power cabin assembly is composed of an air inlet duct, a power cabin and an air exhausting duct; an upper end of the air inlet duct is connected with a hopper type insect receiving air inlet device; a turbine fan is disposed in the power cabin; the bottom of the air exhausting duct is provided with an air exhausting insect inlet channel to be connected with an insect storage chamber; and a lower end of a suspension type winged insect escape prevention apparatus is separated from a lower light baffle plate to open an air exhausting insect entering channel. The power cabin assembly of the multipurpose splitlevel winged insect trap has the beneficial effects that light rays of the light source can be prevented from downwardly entering into the insect storage chamber, wind is prevented from upwardly whirling when the fan is used, and winged insect capture efficiency of a light source type capture apparatus can be improved.

The invention discloses an explosion-proof illuminating lamp device for modern traffic. The device structurally comprises a protection cover, a lamp body, a protection device and a cover plate; the lamp body is arranged in the protection device, the protecting cover sleeves the head portion of the lamp body, and the protecting cover is arranged at the bottom of the protecting device; the cover plate is fixedly connected to the top of the protecting device, and the protecting device is composed of a shell body, a power device, a closing mechanism, a locking device, a tensioning mechanism, a shrinking device, a guiding device and a supporting mechanism; the lamp body is arranged in the shell body, the bottom of the lamp body is hinged to the shell body through a supporting mechanism, guide devices are arranged on the two sides of the lamp body, and the lamp body is connected with the shrinking device; and the tensioning mechanism is arranged on the shrinking device, and closing mechanisms are arranged on the two sides of the lamp body. The explosion-proof illuminating lamp device for modern traffic has the beneficial effects that the protecting device can timely retract the lamp bodywhen being impacted, the closing plate is closed at the same time, the glass is prevented from splashing when the lamp body is broken, the killing force is reduced, the harm to the human body is reduced, and the use safety is improved.

The invention relates to a hook type orthopedic bolt. The hook type orthopedic bolt comprises a bolt body, wherein the bolt body comprises a ball head and a screw part, the screw part is internally provided with a hollow mounting cavity, the hollow mounting cavity is internally provided with a hook type assembly capable of preventing the bolt from moving, the hook type assembly comprises a pair ofhook whorl gaskets, a rotation pin and extending bolts, the hook whorl gaskets are arranged in the middle of the hollow mounting cavity, the hook whorl gaskets are connected through the rotation pin,the hook whorl gaskets can rotate around the rotation pin, the extending bolts are correspondingly arranged at the upper portion of the hook whorl gaskets, the top end of each extending bolt is movably connected with the ball head, and the bottom ends of the extending bolts abut the hook whorl gaskets. The hook type orthopedic bolt has the advantages that through the effective combination of thespecial hook whorl gaskets, extending bolts and screw part, the immobility is greatly improved when the hook type orthopedic bolt is fixed with a bone surface, the problems of looseness, movement, rotation, bolt quit and the like are prevented during the use of the bolt, thereby ensuring the security and reliability of the operation, and reducing the pain of a patient.

The invention discloses a heat dissipation water channel of a new energy motor controller, relates to the technical field of electric vehicle driving motor assemblies, and aims to solve the problems that a cooling liquid in an existing heat dissipassion device cannot fully absorb heat of the heat dissipassion device, the inlet and outlet temperature difference is large, the heat dissipation effectis poor, the temperature of an IGBT module is too high, and long-time stable work of the motor controller is not facilitated. According to the scheme, the heat dissipation water channel comprises a heat dissipassion device body, wherein a heat dissipation water channel main body is arranged in the heat dissipassion device body; two sets of flow guide blocks are arranged in the heat dissipation water channel main body; BOSS bosses are arranged on the two sides of each flow guide block; a plurality of heat dissipation ribs are arranged on the sides, close to each other, of the two sets of flowguide blocks; four water channel partition plates are arranged among the plurality of radiating ribs; and a plurality of second inner wall spoiler blocks are arranged on the water channel partition plates. According to the heat dissipation water channel of the new energy motor controller, the heat dissipation effect is improved, heat dissipation is more balanced, and the motor controller can stably work for a long time at a comfortable temperature.

The invention discloses an underwater granulator for granulating glass fibers or carbon fibers. The underwater granulator comprises a cutting chamber, a grinding disc assembly and a cutting knife assembly, wherein the grinding disc assembly and the cutting knife assembly are symmetrically arranged on the two sides of the cutting chamber correspondingly, a cutting knife of the cutting knife assembly and a grinding head of the grinding disc assembly are in butt joint in a rotary cavity of the cutting chamber, a water inlet which is vertically formed and communicates with an inner cavity of the rotary cavity is formed in the rotary cavity, the water inlet is formed in the vertical upper portion of the rotary cavity and is in butt joint with a square material pipe, a first water supply pipe isarranged at the end, relatively away from the water inlet, of the square material pipe, a water supply pipe is in butt joint with the end, relatively away from the square material pipe, of the firstwater supply pipe, a water spraying net is arranged in the square material pipe, the water spraying net can spray supplied water into the rotary cavity, and the sprayed water is directly output alonga discharge hole formed in the vertical lower portion of the rotary cavity after making contact and being mixed with granulated granules in the rotary cavity. According to the underwater granulator, the injected water is sprayed into the cutting chamber through the water spraying net to be mixed with particles, and the problems that a cutting chamber, a cutting knife and a grinding head of an existing glass fiber or carbon fiber granulator are short in service life, and many chips are generated in the granulating process are solved.

The invention relates to the technical field of bottle caps, in particular to a bottle cap and a manufacturing method thereof, wherein the bottle cap is used for protecting a liquid container and preventing reusing; and when the bottle cap rotates, an inner device is ejected out of the cap top and prevents the bottle cap from turning back. The bottle cap comprises an outer sleeve, a middle sleeve,a connecting cap, an upper cap and an inner plug, wherein a guide groove is arranged on the inner wall of the outer sleeve; two symmetrical spiral grooves are arranged at the upper part of the middlesleeve, and retaining ribs are arranged between the outer walls of the cylinder bodies of the two spiral grooves; guide keys are arranged on the outer ring of the connecting cap, and the upper cap which is hermetically matched with the connecting cap is arranged at the upper end of the connecting cap; and the inner plug is arranged in the lower part of the middle sleeve and is connected with theconnecting cap. The invention has the advantages of convenient assembly and good sealing performance and has anti-falsification effect.

The invention discloses a cleaning device for a tea winnowing machine. The cleaning device for the tea winnowing machine comprises a winnowing cylinder body, an air blower, a wind input pipe, a feeding device, a first discharging port, a second discharging port, a third discharging port, a dust discharging pipe, a shock reduction device and a dust collection device. A first mounting plate is fixedly connected to the bottom of the right side of the winnowing cylinder body. The shock reduction device is fixedly connected to the bottom of the right side of the first mounting plate. A first mounting base is arranged at the top of the first mounting plate. The air blower is mounted on the first mounting base. The wind outlet of the air blower is connected with the wind input pipe. The other endof the winnowing cylinder body is in communication with the dust discharging pipe. The bottom end of the dust discharging pipe is fixedly connected with the dust collection device. The feeding deviceis arranged on the portion, close to one end of the air blower, of the winnowing cylinder body. The feeding device comprises a feeding hopper and a tea-loosening mechanism. A second mounting plate isfixedly connected to the upper end of the right side of the winnowing cylinder body. The tea-loosening mechanism comprises a loosening cavity, a driving motor, a stirring shaft, a coupling and stirring blades. A second mounting base is mounted at the top of the second mounting plate. The driving motor is mounted on the second mounting base. The driving motor is connected with the stirring shaft through the coupling.

The invention discloses a power storage battery plastic shell corrosion resistance testing device and method. The device comprises a middle cover and further comprises a pressing device, the pressingdevice comprises a fixing frame, a horizontal supporting table and a locking device, the fixing frame is in a U shape, a U-shaped opening of the fixing frame faces leftwards, a vertical supporting rodis integrally connected to the end of the left side of a bottom plate of the fixing frame, the horizontal supporting table is welded to the top of the supporting rod, and the middle cover is placed on the horizontal supporting table. The locking device is arranged at the end of the left side of a top plate of the fixing frame and fixes a rubber mat to the top face of the middle cover. It is knownfrom the structure of the invention that the test method is convenient and fast. The rubber mat is promoted to rapidly release oil substances through a high-pressure and high-temperature technology,and whether the rubber mat corrodes the middle cover or not is rapidly judged by observing the color change of the rubber mat and comparing the hardness test data of the middle cover in a rubber mat coverage area with the hardness test data of other areas of the middle cover, so that the batch quality problem of products is avoided.

The invention relates to an outdoor electrical cabinet which comprises a cabinet body, a cabinet top and a cabinet door, an air inlet is arranged at the bottom of one side wall of the cabinet body, an air outlet is arranged at the top of the opposite side wall of the cabinet body, corrugated sheet type louver ventilating windows are arranged on the air inlet and the air outlet, each corrugated plate type louver ventilating window is formed by a plurality of stacked corrugated sheets, and ventilating channels are formed between adjacent corrugated sheets. A novel ventilating window structure is adopted for guiding hot air to form a ventilating flow, collision, jump, circuity and circling round of air are avoided, buoyancy lift of the air is maintained and improved, the effective ventilating area is increased, and more air is made to enter a range. Air velocity is maintained, through capitalizing on the trend, artificial wind is formed, complete natural ventilation is achieved, ventilating efficiency is improved, the outdoor electrical cabinet is safe, reliable, energy-saving and environment-friendly, and the natural air cooling technology is used for meeting cooling requirements of outdoor electrical equipment.

The invention provides an air duct shell and an air conditioner, and relates to the technical field of air conditioners. The air duct shell is provided with an air outlet, a fan blade cross beam is erected at the air outlet, the fan blade cross beam is provided with a cross beam inner side face and a cross beam outer side face which face the inner side or the outer side of the air outlet respectively, a water diversion rib is arranged on the bottom face of the fan blade cross beam, the two ends of the water diversion rib extend to the cross beam outer side face and the side wall of the air duct shell respectively, and the water diversion rib is used for guiding condensate water attached to the cross beam outer side face to the side wall of the air duct shell. Compared with the prior art, the air duct shell can guide the condensate water gathered on the fan blade cross beam to the side wall of the air duct shell by arranging the water diversion rib, the condensate water is prevented from directly dripping into the air conditioner from the fan blade cross beam, and the safety of the air conditioner is improved.

The embodiment of the invention discloses a cradle head camera system and an unmanned aerial vehicle, related to the technical field of video surveillance. The cradle head camera system comprises a gravity center adjusting device, a camera and a cradle head; the gravity center adjusting device is used to adjust the gravity center of the unmanned aerial vehicle; the camera is fixed on the gravity center adjusting device; and the cradle head is used to install the gravity center adjusting device, connect the unmanned aerial vehicle body and adjust the shooting angle of the camera according to the required image. Compared with the prior art, the gravity center of the unmanned aerial vehicle is adjustable in the cradle head camera system, therefore, the balance ability of the unmanned aerial vehicle in flight is improved, and the image quality of the aerial photograph is improved.

The invention discloses a netted structure frame which comprises a frame body, and is characterized in that the cross section of the frame body comprises an inner carbon fiber auxiliary layer, a carbon fiber gridding reinforcement rib structure and an outer carbon fiber auxiliary layer in sequence from inside to outside; the inner carbon fiber auxiliary layer, the carbon fiber gridding reinforcement rib structure and the outer carbon fiber auxiliary layer are tightly combined together. The invention also discloses a manufacturing method for the netted structure frame. According to the netted structure frame disclosed by the invention, the phenomenon that air resistance is increased due to air flow convolution caused by multiple clearances in the surface of a pure netted reinforcement rib structure is avoided, and the stability of reinforcement ribs can be improved; therefore the rigidity / the weight ratio of the netted structure frame is improved / increased for a rider, and the air resistance which is the same as the designed air resistance of a common structure can be remained; moreover, the crossing woven reinforcement rib structure can also enhance the twisting strength, and the operability of the rider is improved.

The invention relates to the technical field of miniature cameras, in particular to a miniature high-definition camera which comprises a camera body, a mounting plate, rod frames and a fixing plate, an adhesive layer is arranged at the rear end of the fixing plate, two sets of clamping hooks are arranged on each of the upper side and the lower side of the front end of the fixing plate, and the rod frames are arranged on each of the upper side and the lower side of the rear end of the mounting plate. The two sets of rod frames are clamped in the two sets of clamping hooks on the upper side and the two sets of clamping hooks on the lower side correspondingly, and the mounting plate is perpendicular to the fixing plate. The mounting plate provides a U-shaped plate mounting mode and a T-shaped plate mounting mode, and when the U-shaped plate serves as the mounting plate, the angle of the camera can be adjusted according to requirements, so that multi-angle monitoring is met; and when the T-shaped plate is used as a mounting plate, multi-angle monitoring of the camera can also be realized, and meanwhile, the T-shaped plate is suitable for a humid and easily-corroded environment.

The present invention belongs to the technical field of winged insect trap appliances, and especially relates to a power cabin assembly of a multipurpose splitlevel winged insect trap. The present invention discloses a power cabin assembly of a multipurpose splitlevel winged insect trap. The power cabin assembly is composed of an air inlet duct, a power cabin and an air exhausting duct; an upper end of the air inlet duct is connected with a hopper type insect receiving air inlet device; a turbine fan is disposed in the power cabin; the bottom of the air exhausting duct is provided with an air exhausting insect inlet channel to be connected with an insect storage chamber; and a lower end of a suspension type winged insect escape prevention apparatus is separated from a lower light baffle plate to open an air exhausting insect entering channel. The power cabin assembly of the multipurpose splitlevel winged insect trap has the beneficial effects that light rays of the light source can be prevented from downwardly entering into the insect storage chamber, wind is prevented from upwardly whirling when the fan is used, and winged insect capture efficiency of a light source type capture apparatus can be improved.

The invention discloses energy-saving and environment-friendly bran steaming equipment which comprises a shell unit, an air blowing unit, a separation unit and a bran steaming unit. The shell unit comprises a bran steaming chamber, and a steam pool is embedded in the upper end face of the bran steaming chamber. The air blowing unit comprises a plurality of air blowers arranged on the upper end face of the bran steaming chamber, stainless steel ventilation inclined pipes are arranged at air outlets of the air blowers, and air return baffles are assembled at the stretching-in ends of the stainless steel ventilation inclined pipes. The partition unit is arranged in the steam pool and comprises a middle stand column, and a plurality of stainless steel partition plates are evenly arranged on the peripheral side of the middle stand column. The bran steaming unit is arranged at the lower end of the steam pool and comprises a steam main pipe and a plurality of steam branch pipes connected with the steam main pipe. The energy-saving and environment-friendly bran steaming method adopting the energy-saving and environment-friendly bran steaming equipment comprises the steps of installation preparation, steam introduction and ventilation, waste cleaning and the like. According to the energy-saving and environment-friendly bran steaming equipment, the steam utilization rate can be increased, impurities and peculiar smells can be effectively removed, the working efficiency is improved, the quality of wine is improved, and the equipment is convenient to clean and high in durability. The energy-saving and environment-friendly bran steaming method is simple to operate and can realize cycle work.

The invention relates to the field of household electrical appliances, and discloses an adjusting foot installation structure and a refrigerator, comprising: an installation assembly, the installation assembly is provided with a threaded installation hole; The protruding part has an external thread that matches the threaded mounting hole; the anti-loose structure is used to prevent the threaded mounting hole from loosening with the protruding part. The anti-loosening structure includes a first set on the mounting assembly The anti-loosening part and the second anti-loosening part arranged on the adjusting foot assembly and used for cooperating with the first anti-loosening part. In the present invention, the loosening of the threaded connection between the threaded mounting hole and the protruding part can be prevented through the cooperation of the first anti-loosening part and the second anti-loosening part. When installing, you can first align the protruding part with the threaded mounting hole on the mounting assembly, and then tighten it, and at the same time make the first anti-loosening part cooperate with the second anti-loosening part to prevent the protruding part of the adjustment leg assembly from turning, preventing Adjusted the drop of the foot assembly.

The invention discloses a speed reducing device for a ship guide compass. The speed reducing device includes a turntable, the top of the turntable is provided with a plurality of clamping grooves, thetop of the side wall of the turntable is provided with a first groove, the bottom of the side wall of the turntable is provided with a second groove, a sliding rod passes through a punched hole, a vertical supporting rod is welded to the top of a speed reducing frame, a second sleeve cap is mounted below a first sleeve cap, two sliding sleeves are mounted on the side wall of the speed reducing frame, the two sliding sleeves are mounted in two punched holes respectively, and a baffle is mounted at the tail end of the sliding rod. The first sleeve cap and the second sleeve cap are clamped in the first groove and the second groove respectively in a mode of moving the speed reducing frame, the effect of decelerating and clamping the compass is achieved by utilizing the friction between the first sleeve cap and the first groove and the friction between the second sleeve cap and the second groove respectively, and the effect of avoiding reverse rotation of the compass is achieved while thecompass is prevented from having a too large rotation range in one time.

The invention discloses an integrated oxygen inhalation tube bottle. The integrated oxygen inhalation tube bottle comprises a bottle body and a bottle cap, external threads are formed in the outer side of the bottleneck of the bottle body, and internal threads matched with the external threads are formed in the bottle cap; a bottom surface limit plane is arranged at the bottom of the outer side of the bottleneck, and a top surface limit plane is arranged at the top of the inside of the bottle cap; the external threads and internal threads are single-line or multi-line threads. Different from the connection through multiple circles of threads of the prior art, the firm connection of the integrated oxygen inhalation tube bottle can be guaranteed through rotating a few of circles, the over-screwing and reverse screwing can be avoided, the nursing working intensity is greatly lowered, and the clinical nursing efficiency and use safety are improved.

The invention discloses a combined shower device. The combined shower device comprises a first water outlet device; the first water outlet device is provided with a notch for a second water outlet device to be inserted into in a matched mode; a fixed seat is arranged between the first water outlet device and the second water outlet device; a first attraction piece is arranged in the fixed seat; asecond attraction piece capable of being matched with the first attraction piece for attraction is arranged in the first water outlet device; a bolt groove is further formed in the side wall of the notch of the first water outlet device; and an elastic bolt matched with the bolt groove is arranged on the second water outlet device. According to the invention, through the design of the structure, the first water outlet device and the second water outlet device are combined and connected, more specifically, the first water outlet device is detachably and movably used, the second water outlet device is fixedly used, the first water outlet device and the second water outlet device can be jointly and fixedly used, and the compactness and flexibility of the structure of the shower device are greatly enhanced.

The invention discloses a novel advanced automobile engine device. The novel advanced automobile engine device comprises a seat body. Four foot posts are fixedly arranged around the bottom end face ofthe seat body. A walking rolling wheel is arranged at the bottom of each foot post. A vertical block is fixedly connected to the left side of the upper end face of the seat body. A second sliding block is fixedly arranged on the right side of the upper end face of the seat body. A transverse first sliding groove is formed in the center of the upper end face of the seat body. The left end of a rotating shaft passes through a rotating hole and is detachably and fixedly connected with a first grinding tool. The left end of a rotating shaft passes through a rotating hole and is fixedly connectedwith a clamp. The right end of a transmission shaft passes through a slot hole and is fixedly connected with a fixed combination disc. The middle part of a cutter shaft is fixedly sleeved with a second grinding tool. By the adoption of the novel advanced automobile engine device, the time and labor are saved in operation, manual and repeated replacement of the clamp is omitted, the machining accuracy of engine accessories is high, and the matching accuracy of a shaft rod and a sleeve is high.

The invention discloses an anti-loose mirror type automobile light shield. The anti-loose mirror type automobile light shield structurally comprises a sun shield, a rotating rod, a pull handle, a supporting frame, a push-pull plate, a mirror, a mirror frame and an anti-loose device, wherein the mirror frame is nested in the sun shield, the mirror is arranged in the mirror frame, the push-pull plate is arranged between the mirror and the mirror frame, the left side of the push-pull plate is connected with the pull handle, the top of the back face of the sun shield is connected with the rotatingrod through the anti-loose device, the rotating rod is arranged on the supporting frame, the anti-loose device is composed of a counterweight block, a ratchet wheel, a bidirectional brake device anda shell, the ratchet wheel is located on the back face of the sun shield, the ratchet wheel is connected to the outer surface of the rotating rod, the counterweight block is connected to the ratchet wheel, and the bidirectional brake device matched with the ratchet wheel is arranged above the ratchet wheel. The anti-loose mirror type automobile light shield has the advantages that through the cooperation of the bidirectional brake device and the counterweight block, bidirectional mechanical brake can be carried out on the light shield, the fixing effect is further reinforced through the magnetic force, the light shield can be prevented from being loose, the service life through the mechanical fixation is higher than that of damping, a spring can be replaced, and the practicability is higher.