114results about How to "Prevent hands off" patented technology

The invention discloses an adjustable heat dissipation structure for a new energy vehicle battery, includes two heat sink plates, The top between the two heat dissipation plates is fixedly connected by a connecting device, the surface of the heat dissipation plate is provided with a first heat dissipation hole, A dust-proof pad is fixedly connected to one side of the heat dissipation plate close to the connecting device, and a heat dissipation regulating device is fixedly connected to one side of the heat dissipation plate far away from the connecting device. The heat dissipation regulating device comprises a shell, wherein one side of the shell close to the heat dissipation plate is fixedly connected to the heat dissipation plate, and a visible glass window is fixedly connected to the groove at the top of the shell. As that heat dissipation regulate device is arranged, The invention solves the problem that the traditional heat dissipation structure of the new energy vehicle can not beadjusted, and can adjust the position of the heat dissipation fan according to the position of the heat dissipation hole of different types of the new energy battery, thereby achieving the effect ofmatching the heat dissipation area with the new energy battery, improving the use limit of the heat dissipation and realizing the flexible use.

The invention belongs to the field of bus accessories, in particular to a bus lifting ring for increasing friction, which comprises a lifting ring body and a connecting head, the lower end of the connecting head is fixedly connected with the housing, A movable box is slidably and sealingly connected with the housing, A movable box is filled with a non-Newtonian liquid, the upper end of the movablebox is fixedly connected with the inner top surface of the housing through a first spring, A link plate is arrange in that movable box, The connecting plate is fixedly connected with the inner top surface of the movable box through a second spring, the lower end of the connecting plate is fixedly connected with a connecting rod, the lower end of the connecting rod is arranged through the movablebox and the shell in turn, the connecting rod is slidably and sealingly connected with the movable box and the shell, and one end of the connecting rod located outside the shell is fixedly connected with the upper end of the lifting ring body. When the bus suddenly changes speed or turns sharply, the invention can apply the pulling force of the passenger on the limit airbag and the protruding bag,increase the friction force between the passenger's palm and the lifting ring, avoid the situation of releasing the hand, and improve the safety of the bus.

The invention discloses a height adjustable horizontal bar for sports, comprising a pillar, wherein the inner cavity of the pillar is provided with a vertical rod, the top end of the vertical rod penetrates the pillar and extends to the outer part of the pillar and is fixedly connected with a transverse rod, the two sides of the vertical rod are fixedly connected with sliding sleeves, the inner cavity of the sliding sleeve is fixedly connected with the sliding rod, and the upper and lower ends of the sliding rod are welded with the inner wall of the pillar. In accordance with that present invention, vertical bar, sliding sleeve, rack, first gear, second gear, Rotating rod, bearing housing, Setting of swing lever and swing handle. The height of the horizontal bar for sports can be adjustedby manual rotation of the swing handle, so that the height of the horizontal bar can be adjusted, and at the same time, the problem that most of the traditional horizontal bars for sports are fixed structure, and the height is not adjustable, so that the students with large height difference are easy to cause arm injury when using the horizontal bar, and the safety hidden danger is caused.

The invention discloses a sampling device for geotechnical engineering investigation and a using method thereof. The sampling device comprises a work fixing table and an upper positioning sleeve, an upper sampling stress rod is movably connected to the interior of the upper positioning sleeve, a handle connecting rod is fixedly connected to the upper portion of the upper sampling stress rod, and sampling stress handles are fixedly connected to the upper portion of the handle connecting rod; antiskid silicon rubber sleeves are arranged at one ends of the sampling stress handles; two groups of sampling stress handles and two groups of antiskid silicon rubber sleeves are arranged, the antiskid silicon rubber sleeves are fixedly connected to the surfaces of the sampling stress handles at the two ends, and an upper fixing rod is fixedly connected to the outer side of the lower part of a working fixing table; an adjusting and positioning rotating shaft is arranged below the upper fixing rod,and a lower fixing rod is arranged below the adjusting and positioning rotating shaft; the sampling device for geotechnical engineering investigation can be conveniently used, the whole device can berapidly and stably fixed and installed, dismounting and storage for preventing sample pollution after sampling are also very convenient, and the practicability is high.

The invention discloses a lawn mower. A hand-push rod is provided with an anti-skid soft sleeve, brings convenience for workers to operate and helps prevent the workers from slipping out of hands. A lawn collection box can be used for compacting broken grass through a first pressing head, a second pressing head and a third pressing head. Therefore, broken lawns can be conveniently collected and secondarily processed. The hand-push rod is connected with a trolley body through a hinge. The included angle formed between the hand-push rod and the horizontal plane is adjustable, which is conducive to operation by workers. A solar cell panel is arranged above the hand-push rod and can be used for charging a storage battery. Therefore, energy is saved. The lawn mower is various in function and exquisite in structure and convenient to use. Manual labor and money can be saved. Therefore, the lawn mower has a broad market prospect.

The invention provides a hand-held drilling machine for road construction, and relates to the field of road construction equipment. The hand-held drilling machine for road construction comprises a base plate, a fixing rod is fixedly arranged at the top of the base plate, a top plate is fixedly arranged at the top of the fixing rod, a box body is arranged in the fixing rod, a drilling device is fixedly arranged at the bottom of the inner wall of the box body, a baffle is fixedly arranged at the top of the inner wall of the box body, two limiting columns are fixedly arranged at the two ends of the bottom of the baffle and are fixedly connected through a transverse rod, a spring movably sleeves the outer surface of the transverse rod, and movable sliding sleeves are fixedly arranged at the two ends of the spring. The hand-held drilling machine for road construction has the advantages that a drilling machine body is enabled to be perpendicular to the ground through hydraulic push rods, sothat time is saved, operation is convenient, the movable sliding sleeves and connecting rods are coordinated for use, so that the spring plays a role in buffering the drilling device, and therefore the phenomenon that the work of the drilling machine is affected by vibration generated in the drilling process can be avoided, physical power can be saved, and convenience can be brought to people.

The invention discloses a damping device of a hydraulic rock drilling machine, and relates to the technical field of hydraulic rock drilling machine. The damping device of the hydraulic rock drillingmachine comprises a machine box, a handle is fixedly connected to the top of the machine box, and mops are fixedly mounted on the two sides of the machine box. A hydraulic motor is fixedly mounted atthe top of the inner wall of the machine box, and a hydraulic cylinder is fixedly connected to the bottom of the hydraulic motor. A pressure block is slidably connected to the inner wall of the hydraulic cylinder, and a push rod is fixedly connected to the bottom of the pressure block. Partition plates are fixedly connected to the two sides of the inner wall of the machine box, and first fixed blocks are fixedly connected to the bottoms of the partition plates. First connecting rods are fixedly connected to the bottoms of the first fixed blocks, elastic boxes are arranged at the bottom ends ofthe first connecting rods in a penetrating mode, and grill bits are connected to the inner surface of a connector in a threaded mode. The damping device of the hydraulic rock drilling machine solvesthe problems that the vibration is large, the energy transmission efficiency is low and machine parts are seriously damaged due to the fact that the damping device does not exist in a working process.

The tire mold online laser cleaning head comprises a laser cleaning head body, a control panel is arranged on one side of the laser cleaning head body, a laser head is arranged on one side of the upper portion of the laser cleaning head body, a water cooling device is arranged on the outer diameter face of the laser head, and a first water cooling connector is arranged at one end of the water cooling device. A water inlet pipe is arranged below the first water cooling connector, a water outlet pipe is arranged below the second water cooling connector, a dust blowing device is arranged above the water cooling device, connecting blocks are arranged at the two ends of the dust blowing device, supporting rods are arranged below the connecting blocks, and supporting blocks are arranged at the two ends of the laser cleaning head body. Clamping grooves are formed in the supporting blocks, and the supporting rods are located in the clamping grooves; according to the online laser cleaning head for the tire mold, one side of a dust blowing device is fixed to a laser cleaning head body through a first connecting shaft and a first rotating block, and when the dust blowing device needs to work, the dust blowing device is rotated to the outer diameter face of a laser head.

The invention discloses an atomizing nozzle based on spiral airflow. The nozzle comprises a fixed column and a matched block, the end, away from a matched column, of the fixed column is connected witha water joint, a straight hole water way penetrates through the fixed column and communicates with the water joint, a bearing segment is sleeved with a seal ring, a thread is arranged on the side wall of a connecting segment, a spiral groove is formed in the side wall of a mounting hole, an air inlet hole is formed in the side wall of the matched block, the air inlet hole communicates with a storage cavity, a seal ring groove is formed in the side wall of a limiting hole, the matched column is inserted into the mounting hole, the connecting segment is in threaded connection with a thread hole, the seal ring makes contact with the bottom of the seal ring groove, and the end face, away from the bearing segment, of the matched column and the bottom of the mounting hole form a mixing cavity.The storage cavity is formed in the nozzle, it is ensured that gas entering the spiral groove is always kept at the uniform pressure intensity, water mist particles generated by the nozzle are uniform always, and the problem that the water mist humidity effect generated by a common nozzle is not sufficient can be solved.

The invention discloses an angle adjusting device suitable for millimeter wave radar. The device comprises an adjusting device body and the millimeter wave radar arranged on the adjusting device body,a mounting hole is formed in the top face of a supporting seat, a connecting column is matched with the mounting hole, a through hole is formed in the closed end, close to the mounting hole, of a guiding groove, a limiting plate is arranged in the guiding groove, one end of the limiting plate penetrates through the through hole and then is inserted into matching holes, one end of a pushing rod isinserted into the guiding groove and then is connected with the side face, away from the bottom of the guiding groove, of the limiting plate, the connecting plate is rotationally connected with the top face of the connecting column, the top face of the connecting plate is hinged to a fixing column, the top face of the fixing column is connected with millimeter wave radar, and a moving block is arranged in an annular groove, a fixing ring is connected to the top face of the moving block, a hook head is connected to the end, away from the fixing rod, of a threaded rod, the hook head can be matched with the fixing ring, and the end, away from the threaded rod, of a fixing rod is hinged to the side face of the fixing column. According to the device, the problem that the millimeter wave radarcannot be best used through a traditional mounting mode is solved.

The invention discloses sudden rush prevention equipment for walking a dog outdoors. The equipment comprises a collar, wherein a control box is fixedly connected to the side wall of the collar, a lower traction rope is arranged on the side edge of the control box, an elastic telescopic belt is fixedly connected to one end of the lower traction rope, and an upper traction rope is fixedly connected to the end, away from the lower traction rope, of the elastic telescopic belt. According to the sudden rush prevention equipment for walking the dog outdoors, the equipment can play a certain role in protecting the neck of a pet dog when the dog suddenly rushes, the situation that the neck of the dog is damaged by the collar while the dog suddenly rushes can be prevented, the equipment can give certain stimulation to the dog while the dog suddenly rushes, helps a dog owner to correct sudden rush behavior of the dog, and enriches the functionality of the collar; and secondly, the situation that an adjusting belt falls off from a fixing frame when the dog suddenly rushes can be prevented, and the safety of the equipment is improved.

The invention discloses a combined martial art instrument and a containing device thereof.The combined martial art instrument comprises stick bodies and a plurality of movable heads.Each stick body comprises a first sleeve, and a second sleeve and an inner rod which are sequentially sleeved with the first sleeve.The containing device comprises a base.A first shell used for containing the stick bodies and a second shell used for containing the movable heads are arranged on the base.The first shell is provided with a controller, a first motor, a second motor, a telescopic mechanism and a first storage groove used for containing the stick bodies.The stick bodies can be arranged in the first storage groove side by side from top to bottom.A first opening is formed in the top of the first storage groove.A control key is arranged on the controller.The combined martial art instrument and the containing device have the advantages that the combined type is adopted for the martial art instrument, the stick bodies and different movement heads of the martial art instrument can be combined into different martial art instruments, and the habitual use length can be set according to the stature and use habit of a user.

The invention discloses an environment monitoring water sample acquiring tool with a telescoping quantitative structure. The environment monitoring water sample acquiring tool comprises a reel and a water storage barrel. A telescopic sleeve movably sleeves the inner surface of the lower part of the water storage barrel. The lower surface at the lower end of the telescopic sleeve is provided with acounterweight base which is fixedly mounted. A water discharging pipe fixedly sleeves the external surface at one side of the counterweight base. Furthermore the middle position of the upper part ofthe water discharging pipe is provided with a rotary valve which is movably mounted. The middle position of the external surface of the front part of the water storage barrel is provided with a graduated scale. Furthermore the water storage barrel is fixedly connected with the graduated scale by means of two sets of fixed links. The upper external surface of the water storage barrel is provided with a sealing upper cover which is fixedly mounted. Furthermore the upper external surface of the sealing upper cover is provided with two sets of fixed rope buckles which are fixedly mounted. According to the environment monitoring water sample acquiring tool with the telescoping quantitative structure, the water storage amount of the acquisition tool can be changed through a telescoping adjustingmode, thereby realizing a quantification function, realizing higher convenience in carrying, reducing difficulty in recovering the acquiring tool and realizing higher convenience in use.

The invention discloses a fitness tension device, and belongs to the field of fitness equipment. The fitness tension device structurally comprises a clamping seat, a vertical rod, a controller, a sleeve, a vertical pipe, a hook, a transverse rod, a sliding sleeve, a limiting block, a telescopic rod, a magnesium powder box, a pressure detection device and an alarm device, wherein the bottom surfaceof the vertical rod is perpendicularly connected to the center of the top surface of the clamping seat; the controller, which is connected to the vertical rod, is embedded in the front surface of thevertical rod; the top surface of the vertical rod is fixedly connected to the bottom surface of the sleeve; the vertical pipe penetrates in the sleeve from top to bottom, and the vertical pipe and the sleeve get into sliding connection in a clearance fit mode; and diameter values of the vertical rod, the sleeve and the vertical pipe are gradually reduced sequentially. The fitness tension device provided by the invention, which is provided with an adjustable number of springs, can adapt to tension of different degrees; the fitness tension device is simple in structure and convenient to operate; and meanwhile, hurt caused by such accidental actions as hand slip and the like can be also prevented, so that safety is improved, and the fitness tension device is applicable to the mass to do exercises.

The invention discloses a non-invasive skin anastomat. The non-invasive skin anastomat comprises a base, a plurality of fastener strips and a plurality of lock catches. Each lock catch comprises a lock catch base, an elastic spring bolt and a guide element, wherein the lock catch base is fixed to a base, the elastic spring bolt and the guide element are arranged at the two ends of the lock catch base respectively, the bottom of the elastic spring bolt is provided with a lock hole, the top of the elastic spring bolt is bent obliquely downward and extends to one end of the guide element; the bent portion of the elastic spring bolt is provided with an unlocking hole penetrating longitudinally, and a guide hole is formed in the guide element. Each fastener strip comprises a fixed part, a lock bar and a holding part, wherein the fixed part and the holding part are arranged at the two ends of the lock bar respectively, the fixed part is fixed to the base, the lock bar penetrates through the lock hole in the elastic spring bolt of the corresponding lock catch and the guide hole in the corresponding guide element, and a plurality of multiple lock teeth are distributed on the upper end face of the lock bar in the length direction. The end of each elastic spring bolts abuts against the inside of a tooth groove between the two corresponding lock teeth. The non-invasive skin anastomat is low in cost, reversible in operation and very favorable in application and popularization.

The invention discloses a meter reading terminal based on the low-power-consumption Internet of Things. The meter reading terminal comprises a meter reading terminal body. The meter reading terminal body comprises a meter reader. A main control module is arranged in the meter reader, a display screen is arranged on the top of the front face of the meter reader, and keys are arranged at the bottomof the front face of the meter reader. A lifting device is arranged, so that the problem that a traditional meter reading terminal based on the low-power-consumption Internet of Things cannot conveniently record data in a meter box at a high position is solved; the height of the meter reader can be conveniently adjusted according to the height of the meter box, thus, a meter is code-scanned through a bar code scanning opening to achieve meter reading work, a worker does not need a ladder during meter reading, the meter reading efficiency is improved, the safety is high, meanwhile, after the worker reads the meter, the worker can conveniently collect charges for household heads through a mobile payment terminal code scanner, and great convenience is brought for users.

The invention relates to a medical oral-cavity irrigator. The medical oral-cavity irrigator comprises an irrigator main body, protective layers, a liquid storage chamber, a fixed frame, a miniature pump, vibration reducing rods and a sliding clamping groove, wherein an antiskid pad is arranged at the bottom end of the irrigator main body, and a battery is arranged at the internal bottom end of the irrigator main body; the protective layers are embedded into the outer wall of the irrigator main body, and the outer side of the protective layer is connected with a handle; the liquid storage chamber is arranged in the irrigator main body, and a filling port is arranged on the outer wall of the liquid storage chamber; the fixed frame is embedded into the top end of the irrigator main body and limiting plates are arranged at the two ends of the fixed frame; the miniature pump is fixed in the middle of the fixed frame, and the top end of the miniature pump is connected with a flowing pipeline; and the vibration reducing rods are embedded into the two ends of the miniature pump. The medical oral-cavity irrigator has the beneficial effects that the protective layers are embedded into the two sides of the irrigator main body and can play a role in protecting the outer wall of the irrigator, so that the damage to the irrigator due to unexpected falling can be avoided.

The invention provides a novel table tennis bat, which comprises a bat body, the bat body comprises a batting plate and a handle, a groove is formed in one end of the handle, the batting plate rotates the inner wall of the groove, a locking assembly is arranged in the groove, and elastic layers are arranged on the outer wall of the batting plate and the outer wall of the handle. A length adjusting device is arranged at the end, away from the batting plate, of the handle and comprises an extending handle, one end of the extending handle is connected with the inner wall of the handle in a sliding mode, two adjusting assemblies are arranged between the extending handle and the handle, a protection assembly is arranged at the other end of the extending handle, and the protection assembly comprises a positioning box. The bottom of the positioning box is connected with an extending handle, a connecting assembly is arranged on the upper portion of the positioning box, and limiting assemblies are arranged on the two sides of the positioning box. According to the table tennis bat, the inclination angle of the handle is adjustable, the length of the handle is adjustable, safety protection can be provided, and the holding feeling of the handle is good.

The invention discloses a container cover and a milk powder can. According to the technical scheme, the container cover is characterized by comprising a retainer ring buckled to the upper end of a container, and an overturning cover arranged at the upper end of the retainer ring, wherein one side of the overturning cover is hinged to one side of the retainer ring, the side, far away from the hinged end, of the overturning cover is provided with a first buckling piece, the retainer ring is provided with a second buckling piece which is buckled to the first buckling piece, the upper edge of theretainer ring is provided with a sealing strip easy to tear, the sealing strip easy to tear is provided with a buckling opening, and the parts, located on the two sides of the first buckling piece, ofthe overturning cover are provided with buckling blocks which are buckled to the buckling opening. In the actual milk powder can transportation process, the overturning cover can be tightly buckled to the retainer ring during jolting, the snap joint structure is firm and stable, and milk powder is prevented from sprinkling.

The invention discloses a packing device for annular steel bars. The packing device comprises a portal frame device and a placing device, a second stand column comprises a connecting column and a fixing column, the connecting column is connected with the fixing column installed on the ground through a connecting assembly, and the placing device is installed on a first stand column; the placing device comprises a fixing frame, a transmission mechanism, a connecting block, a push plate, a guide rod, a mounting plate, a pulley A, a pulley B, a connecting rope A, a connecting rope B, a gravity block, a guide rail and a clamping jaw, the connecting rope A sequentially penetrates through the pulley A, the mounting plate, the push plate, the fixing frame and the pulley B and then is connected with the top of the connecting block; and one end of the connecting rope B is connected with the bottom of the connecting block, and the other end of the connecting rope B is connected with the gravity block. The guide rail is installed on the side face of a cross beam, the top end of the clamping jaw is slidably connected with the guide rail, and the problem that the binding and packaging efficiencyof original packaging equipment is insufficient is solved.

The invention discloses a laser cutting device facilitating workpiece positioning. The laser cutting device comprises a workbench, a workpiece positioning mechanism is arranged at the top of the workbench, laser cutting mechanisms are fixedly connected to the two sides of the top of the workbench through supporting columns, the workpiece positioning mechanism comprises a storing shell, the bottomof the storing shell is fixedly connected with the top of the workbench, a fixing clamping plate is arranged on the rear side of the top of the storing shell, a pushing rod is arranged on the left side of the storing shell, the right end of the pushing rod penetrates through the storing shell and extends to the exterior of the storing shell, two gears are movably connected to the surface of the pushing rod located in the storing shell, and rack plates matched with the gears to be used are arranged at the position, corresponding to the gears, of the bottom of the inner wall of the storing shell. According to the laser cutting device facilitating workpiece positioning, structural design is reasonable, using is convenient, workpieces can be quickly and effectively clamped and fixed, operationdifficulty is low, the working efficiency is high, subsequent machining progress of the workpieces is ensured, and using demands can be met.

The invention discloses a superconducting magnet transportation device. The superconducting magnet transportation device comprises a device main body, a bottom fixing frame and a device base. A bottomfixing frame is fixedly connected to the bottom of the inner portion of the device main body. The periphery of the bottom fixing frame is nested and connected with fixing blocks. One sides of the fixing blocks are fixedly connected with adjusting rods. Moving blocks are fixedly connected into the fixing blocks. A top fixing frame is fixedly connected to the top inside the device main body. Limiting grooves are fixedly connected to the surface of the top fixing frame. The periphery of the top fixing frame is nested and connected with upper fixing blocks. According to the superconducting magnettransportation device, the upper fixing blocks improve the practicability of the device main body, sponge cushions play a protective role on superconducting magnets, universal wheels improve the working efficiency of the working personnel, a detachable fixing mechanism reduces the occupied space of the device main body, a shock absorbing mechanism improves the cushioning property of the device main body, and anti-dislocation positioning bolts can prevent the fixing blocks from shifting. The device is suitable for use of superconducting magnet transportation and has a wide development prospectin the future.

The invention provides a robot with a moving function. A moving device comprises a plurality of universal wheels, a fixing hole is formed in the bottom face of a robot body, the top of a supporting block is matched with the fixing hole, a matching hole is formed in the side face of the supporting block, a limiting hole is formed in the hole wall of the fixing hole, one end of a limiting plate is matched with the matching hole, the other end is matched with the limiting hole. a movable groove is formed in the side face of the robot body, one end of the control rod penetrates through the movable groove and then is connected with the limiting plate, the top of the movable plate is hinged to the side face of the robot body, a mounting hole is formed in the bottom face of the supporting block, and a guide groove is formed in the hole wall of the mounting hole. The top end of the connecting shaft is connected with the bottom of the mounting hole through a spring after being inserted into the mounting hole, and the connecting block is matched with the guide groove and connected with the side face of the connecting shaft. The problem that normal work is affected by vibration generated when a conventional robot passes through the uneven ground is solved.

The invention provides an electric cooker with a side rotating cover, the electric cooker with the side rotating cover comprises an electric cooker body and a connecting assembly, the electric cooker body comprises a cooker body, an inner container, a cooker cover and a control panel, the inner container is arranged in the cooker body, the cooker cover is arranged on one side of the cooker body, and the control panel is arranged on one side of the cooker body; a connecting assembly is arranged on one side of the pot body and comprises a hinge, a rotating rod and a fixing sleeve, the hinge is arranged at the bottom of the pot cover, the fixing sleeve is rotationally connected to the outer side of the hinge, and a handle is fixedly connected to one side of the pot cover. According to the electric cooker with the side rotating cover, the problems that most electric cookers used at present are side-turning cooker covers, the cooker covers are basically perpendicular to cooker bodies after the cooker covers are opened, and use is inconvenient are solved, and the problems that the existing electric cookers do not have a water collecting function, and pollution is caused by turbulent flow of condensate water in the electric cookers are solved.

The invention discloses a fitness arm strength devicesafety protection system, which comprises two grips. The opposite side walls of the two grips are jointly and fixedly connected with a strong spring. Control cavities are formed in the two grips; the inner walls of the two control cavities are elastically connected with moving plates through pressure springs; the opposite side walls of the two movingplates are fixedly connected through pull ropes. The opposite side walls of the two grips are jointly and fixedly connected with a flexible pipe. The pull rope penetrates through the flexible pipe; and placing cavities are formed in the two grips correspondingly, the two placing cavities communicate with the two control cavities through two connecting pipes correspondingly, air outlet pipes communicate with the inner walls of the two placing cavities correspondingly, piston plates are slidably connected to the inner walls of the two placing cavities in a sealed mode correspondingly, and extrusion columns are fixedly connected to the upper walls of the two piston plates correspondingly. The situation that the strong spring rebounds quickly to cause dangers to people can be prevented, people can be prevented from being injured by the edges and corners of the grip, and the safety of a user is guaranteed.

The invention relates to a medicine powder applying device for surgical nursing. The medicine powder applying device comprises a medicine powder applying device body, a powder discharging pipe, a connecting box, a first rotating member, racks, a first movable member, a second movable member, elastic members, a first pull rope and a second pull rope, wherein the powder discharging pipe communicateswith a medicine powder cavity; the connecting box is horizontally arranged below the powder discharging pipe, and a filter net is arranged at the bottom of the connecting box; the first rotating member is longitudinally arranged in the first connecting box, and semi gears are arranged on the first rotating member; second guiding rods are arranged in the first connecting box, and are inserted intothe first movable member; the racks are arranged on the first movable member and the semi gears are in mesh connection with the racks; the second connecting box and the first connecting box are located on two sides of the connecting box; the second movable member is in sliding connection with third guiding rods, and the elastic members are connected with the second movable member and the second connecting box; and the first pull rope is used for connecting the first movable member with the connecting box, and the second pull rope is used for connecting the second movable member with the connecting box. The medicine powder applying device is simple to operate, convenient to use and diversified in functions, is suitable for medication operations of medicine powder and medicine liquid, can realize uniform medication, and is good in medication effects and efficiency and good in using effects.

The invention relates to the technical field of telescopic batons, in particular to a telescopic baton which comprises an outer pipe, a middle pipe and an inner pipe. The middle pipe is movably inserted into the outer pipe, a first screw rod is connected to the end, located inside the outer pipe, of the middle pipe, a first inner threaded sleeve is in threaded connection with the first screw rod,the first inner threaded sleeve is in through connection with the outer pipe, a first magnet is connected to the end, far away from the middle pipe, of the first screw rod, and a second magnet is connected to the inner side wall of the outer pipe. The inner pipe is pulled out, a second screw rod is connected with a second inner threaded sleeve, the middle pipe is pulled out, the first screw rod isconnected with the first inner threaded sleeve, the relative positions of the outer pipe, the middle pipe and the inner pipe are fixed, the fixing mode is simple and convenient, springback is not caused after in-place fixing is realized, and normal use of the baton is ensured. When the telescopic baton is in use, the middle pipe and the inner pipe are pulled out, when the telescopic baton is notin use, the middle pipe and the inner pipe are retracted into the outer pipe, and operation is easy and convenient.