134results about How to "Avoid bending over" patented technology

The invention relates to an intelligent medicine dispenser for bagged Chinese medicinal granules and belongs to the technical field of medicine dispensing equipment. The intelligent medicine dispenser comprises a rack, a medicine storing mechanism, a medicine dispensing manipulator, a manipulator translation mechanism and a medicine outlet mechanism, wherein the medicine storing mechanism is a medicine shelf for containing multiple medicine boxes in a vertical plane; multiple bags of Chinese medicinal granules are stacked in each medicine box in the front-back direction; the medicine dispensing manipulator for sucking and releasing the bagged Chinese medicinal granules performs translation in the vertical plane of the front of the medicine storing mechanism through the manipulator translation mechanism; the medicine outlet mechanism is located right below the medicine dispensing manipulator. The intelligent medicine dispenser for the bagged Chinese medicinal granules has the advantages of automatically dispensing medicine, improving medicine dispensing efficiency and greatly increasing medicine dispensing accuracy.

The invention relates to a portable drilling machine for tunnel structure detection, which includes a motor, a drill rod and a handle. A driving chamber is arranged above the motor, and a lifting mechanism and a cleaning mechanism are arranged in the driving chamber. The lifting mechanism includes a first motor , a first bevel gear, a lifting plate, a lifting rod and two lifting units. The cleaning mechanism includes a retractable component and a cleaning component. The portable drilling machine used for tunnel structure detection drives the drilling rod up and down through the lifting mechanism, so that the drilling rod It can automatically extend into or out of the ground, avoiding the bending operation of the staff and manually taking out the drill pipe after work, which reduces labor intensity; in addition, after the drill pipe is taken out from the ground, the dirt on the drill pipe is cleaned by the cleaning mechanism. Automatic cleaning of objects, saving time and effort, and bringing convenience to the staff.

The invention provides a seeder. The seeder comprises a frame, road wheels, a handle, a rotating shaft, clutch devices, a roller, a four-wheel bucket and funnels, the rotating shaft is arranged at the middle of the frame, the handle is arranged at the rear end of the frame, the rotating shaft is connected with the road wheels through the clutch devices, the rotating shaft is fixedly provided with the roller, and the roller is in rolling connection with the four-wheel bucket, wherein the roller comprises basting spoons, the basting spoons can scoop up seeds in the four-wheel bucket with the rotating of the roller, and pour the seeds into the funnels, and the seeds fall to the ground from the funnels. The gaps and the quantities of the basting spoons are determined as demanded, so the spacing of the seeds falling to the ground can be controlled. The seeds are scooped up by the basting spoons and then fall to the ground without directly depending on the gravity, and the grain qualities of the seeds scooped up by the basting spoons every time are consistent, so the grains quality during seeding can be controlled. The seeder is operated manually, is suitable for continuous seeding in hilly areas, and can improve the production efficiency and the yield of rice.

The invention relates to the detection field, and specifically discloses a watertightness and airtightness detection platform. The detection platform comprises a rack, a workbench, a compression mechanism and a water pump. The compression mechanism comprises a sealing cover, an air cylinder and an air pump assembly, wherein the air cylinder and the air pump assembly are fixed on the rack. The aircylinder is provided with an air inlet which can be sealed, and a piston of the air cylinder is fixedly provided with a pressure rod. The sealing cover is fixed on the pressure rod, and the opening ofthe sealing cover faces downwards. The top of the sealing cover is inclined, and the air pump assembly comprises an air incoming pump and an air outgoing pump. The air incoming end of the air incoming pump is communicated with the highest part of the inner cavity of the sealing cover, and the air outgoing end of the air incoming pump is communicated with the air inlet. The air incoming end of theair outgoing pump is communicated with the air cylinder, and the air outgoing end of the air outgoing pump is communicated with the sealing cover. The water pump is communicated with the sealing cover, and the workbench is fixed on the rack. The workbench is fixedly provided with an air bag, a drainage pipe and an annular water blocking barrel, wherein the annular water blocking barrel is locatedat the periphery of the sealing cover. The air bag is communicated with an air incoming pipe which can be sealed, and one end, far from the air bag, of the air incoming pipe passes through the workbench. According to the scheme of the invention, the detection platform can avoid the air leakage or water leakage of an air incoming pipe or a workpiece.

The invention belongs to the technical field of kitchen appliances, and particularly relates to a dish washing machine with a duplex drawer. The dish washing machine comprises a drawer dish-washing machine body and a combined drawer arranged below the drawer dish-washing machine body. The dish washing machine with a duplex drawer can fully utilize the space of a kitchen, integrates multiple functions, and is convenient for a user to use.

The invention belongs to the field of apparatus in gardens, and relates to a clamping-pushing two-stage linkage cherry-picking tool. The tool solves the technical problems of low efficiency and poor quality in cherry picking in the prior art. The tool comprises a support, and the support is provided with a rotary driving device; and the rotary driving device is fixedly connected with a cam and a partial gear, the cam is connected with a clamping assembly through a cam curved surface, the partial gear engages with a pushing assembly, and the cam is symmetrically provided with two farthest repose curved surfaces. Compared with the prior art, the tool disclosed by the invention has the characteristics of no-damage picking and high picking efficiency.

The invention discloses a knapsack correction device. The knapsack correcting device is a device used for correcting sitting postures and preventing shortsightedness and comprises a head cap 1, a tightness adjusting belt 2, a telescopic belt 3, a movable part 4, an elevation angle adjusting button 5, a connecting shaft 6, a main body part 7, a waist belt 8, a breathable layer 9 and a shoulder belt. People who sit for study or work for a long time can keep correct postures, and it is guaranteed that the spine and the cervical vertebra cannot deform due to fatigue.

The invention provides a refrigerator with an improved air flue structure. The refrigerator comprises a tank, a door body, an evaporator and an air return flue. A cooling chamber and at least one storage space arranged above the cooling chamber at intervals are defined in the tank; the door body is arranged on the front surface of the tank so as to operationally open and close the storage spaces;the evaporator is in a flat cube shape as a whole so as to be horizontally arranged in the cooling chamber, and is configured to be used for providing cooling capacity for the storage spaces; an air return inlet for communicating the storage spaces arranged above the cooling chamber at intervals is arranged at the upper end of the air return flue; an air return outlet for communicating the coolingchamber is arranged at the lower end of the air return flue; and a drainage slope and a heating wire are arranged on the air return outlet, so that ice water existed at the position can be drained. According to the refrigerator provided by the invention, the storage space has a certain ground clearance, so that a user is prevented from bending down or squatting to pick and place objects; and thedrainage slope and the heating wire are arranged on the air return outlet part, communicating with the cooling chamber, of the air return flue, so that the air return flue can be prevented from beingblocked by frost, and the smoothness of a whole wind path is effectively ensured.

The invention relates to the technical field of planting cultivation and provides a surround rotation based soilless cultivation rack. The surround rotation based soilless cultivation rack comprises aframe, rotating shafts are rotationally connected to the middle of the frame and peripherally wound by conveying belts, gears are fixedly connected to outer peripheries of left and right sides of therotating shafts, and inner sides of the conveying belts are provided with sawteeth. Brackets are fixedly mounted on outer peripheries of the conveying belts, planting plates are in rotational connection between the brackets, and tops of the planting plates are provided with grooves. The surround rotation based soilless cultivation rack has advantages that workers do not need to bend down or raisearms to plant, so that work intensity in planting is relieved; in addition, the number of planting plate stacking layers can be increased to further save the space, convenience in adjustment of nutrient solution consumption is achieved, one-by-one watering of the planting plates is avoided, and watering efficiency is improved.

The invention discloses an anti-slip device. The anti-slip device includes an anti-slip bracket, a storage cavity is arranged in the anti-slip bracket, the lower side of the storage cavity is provided with a spring cavity, a pressing mechanism is arranged in the storage cavity and includes a pressing block capable of sliding up and down in the storage cavity, a pressing rod moving up and down along the pressing block is arranged on the pressing block, and the left side of the storage cavity is provided with a clamping mechanism. The anti-slip device is an additional mechanism for a crutch, the elderly can disassemble the anti-slip device free from bending down and mechanical installation can be achieved by directly enabling the lower end of the crutch to extend into the storage cavity, so that convenience of the anti-slip device is greatly increased, excessive action of bending down of the elderly can be avoided, and the probability of risk is reduced; and the anti-slip device is supported to the ground by using multiple support points facing to the ground, so that the friction to the ground is increased, the anti-slip effect is strengthened, and an anti-slip rod can be automatically retracted after the crutch is put away so as to avoid the lower end to look redundant due to lifting of the anti-slip device on the crutch.

The invention discloses a carrying vehicle for carrying a passing box. The carrying vehicle is characterized by comprising a first vehicle frame (1), a loading platform (2), a lifting support (3), a driving mechanism (4) and a second vehicle frame (5), wherein the loading platform (2) is located above the first vehicle frame (1), the lifting support (3) is arranged on the first vehicle frame and used for supporting the loading platform, the driving mechanism is in transmission connection with the lifting support, the second vehicle frame is used for placing the passing box (100), and second waking wheels (6) are installed at the bottom of the second vehicle frame; the second vehicle frame (5) can be supported on the loading platform (2) and lift and fall along with the loading platform (2), the bottom of the second vehicle frame (5) is detachably connected with the loading platform (2), and on the condition that the loading platform (2) falls to the lowermost position, the second vehicle frame (5) can transversely move relative to the loading platform (2) and is detached from the loading platform (2). Compared with the prior art, the carrying vehicle can conveniently and quickly load and unload goods with less effort.

The invention provides a device and a method for picking of sorbus pohuashanensis fruits, and relates to the field of fruit picking. The device for picking of the sorbus pohuashanensis fruits comprises a first handheld end, wherein a take-up unit is fixedly connected with and arranged at one end of the first handheld end; a connecting block is fixedly connected with and arranged at one side of theother end of the first handheld end; a second handheld end is rotatably connected with and arranged at the other side of the same end, connected with the end of the first handheld end, of the connecting block; a first rod is fixedly connected with and arranged at the other end of the connecting block; a fixed nut is arranged on the side wall of the other end of the first rod; a second rod is arranged in the first rod and extends out of the fixed nut; a second clamping end is fixedly connected with and arranged at the other end of the second rod; a second clamping strip is arranged on the second clamping end; and a first clamping end is rotatably connected with and arranged at the central part of the second clamping end. According to the invention, through arrangement of the first rod, thesecond rod, the first clamping strip and the second clamping strip, the length of the device can be adjusted, and the problem that a container cannot be lifted due to the fact that fruits need to beheld by one hand during picking is solved.

The invention discloses a network intelligent tennis racket with a function of absorbing sweat generated by hands. The tennis racket includes a main handle, a secondary handle, a frame and a blockingpiece; a switch is arranged at the lower end of the main handle, grooves are formed in a water absorption layer, first springs are arranged on the inner side of a ball fixing device, and a fixing piece is connected to the inner end of each first spring; the secondary handle is positioned on the top of the main handle, a connecting block is arranged on the upper portion of an insertion head, a clamping block is arranged on the connecting block, and second springs are arranged on the inner side of the clamping block; the frame is positioned above the clamping block, gravity sensors are arrangedabove a display screen, the blocking piece is positioned outside the frame, and a clamp is arranged above a racket net. The network intelligent tennis racket with the function of absorbing sweat generated by the hands is simple in structure; the sweat generated by the hands of a user can be absorbed by the water absorption layer; through arrangement of a tension sensor and the gravity sensors, thetennis racket is more intelligent, and by using the clamp for picking up a tennis ball on the ground, time and strength are saved.

The invention discloses an air-jet loom air pressure detection apparatus and detection method. The air-jet loom air pressure detection apparatus comprises multiple first air detection pipes, a switch element, a buffer tank, a second air detection pipe and a pressure detection part, wherein one end of each first air detection pipe is used for communication with air detection holes of an air-jet loom, the other ends communicate with the buffer tank, each first air detection pipe is connected with the switch element, the switch element is used for opening or closing the corresponding first air detection pipes, one end of the second air detection pipe communicates with the buffer tank, the other end of the second air detection pipe is connected with the pressure detection part, and the pressure detection part is used for detecting air pressure of gas in the second air detection pipe. The air-jet loom air pressure detection apparatus related to by the invention save manpower, reduces damage of the air detection holes and reduces equipment loss.

The invention discloses a pedal type mortar pump. The pedal type mortar pump comprises a pump body, a diaphragm, a piston, a torsion spring, a connecting rod, a lever and taper plugs. An inlet of the pump body is positioned at the upper part; and an inlet and a large-hole end are coaxially arranged at the two sides. The piston pulled by the connecting rod is mounted in a cylinder; and the diaphragm is fixedly connected between the cylinder and the structural surface of the pump body. The taper plugs capable of axially reciprocating are respectively mounted in the inlet and an outlet of the pump body; and a vertical connecting pipe and a transverse connecting pipe externally connected respectively fit the taper plugs to form a one-way valve structure. The connecting rod consists of three parts respectively hinged to the middle part of the lever, the piston and the bottom of the cylinder to form a connecting rod mechanism for driving the piston to axially reciprocate. The piston in the cylinder moves to generate negative pressure or positive pressure to project the flexible diaphragm to the left or right side, so that the inner volume and pressure of the pump body are changed, and the one-way valve in the inlet or the outlet alternately acts to realize the absorption or the outputting of mortar. The pedal type mortar pump is simple in structure, is liable to operate, and reduces the labor intensity of workers.

The invention discloses an adjusting support convenient to install for a geographical survey sighting telescope, and relates to the technical field of sighting telescopes. The adjusting support convenient to install for the geographical survey sighting telescope comprises an adjusting cover, wherein a survey instrument is arranged on the outer surface of the top of the adjusting cover; a direction adjusting mechanism is arranged in the adjusting cover; and two sets of installation blocks are fixedly installed on the outer surface of the bottom of the adjusting cover. According to the adjusting support convenient to install for the geographical survey sighting telescope, foot rods, hinge plates, transverse threaded rods, nuts, supporting rods, limiting blocks and elastic springs are used in cooperation, so that the height of the survey sighting telescope can be adjusted according to surveyors of different heights, limitation is small, the surveyors are prevented from bending down for a long time, the waist injury is effectively reduced, the surveyor can survey the ground at the most comfortable height, and the fatigue of the surveyor in the surveying process is helped to be reduced.

The invention discloses a convenient massage type graduated decompression stretch sock wearing assisting device, which comprises an arc-shaped semi-groove boot leg, an arc-shaped opening of the arc-shaped semi-groove boot leg is connected with a telescopic groove piece capable of being folded in the arc-shaped semi-groove boot leg, four pneumatic massagers are arranged on the inner side of the arc-shaped semi-groove boot leg, a power source, a massager power switch and a massager gear adjusting key are arranged on the outer side face of the arc-shaped semi-groove boot leg; the power source, the pneumatic massager, the massager power switch and the massager gear adjusting key are electrically connected in sequence, two lifting ropes are connected to the end, close to the arc-shaped opening, of the arc-shaped semi-groove boot leg, and the arc-shaped semi-groove boot leg is connected with an adhesive bandage. The stretch sock provided by the invention has the advantages that the comfort of a patient and the wearing effect of the stretch sock are improved, the problem that the foot is injured when the stretch sock is worn is avoided, the wearing compliance is improved, and the treatment effect is good.

The invention provides a device for processing a chamfer. The device comprises a rack, a chamfering assembly and an operation platform fixedly connected to the rack, wherein the operation platform comprises a support plate and a plurality of support rods, the support plate and the support rods are arranged in parallel; the chamfering assembly comprises a chamfering tool and a drive device for driving the chamfering tool to rotate, the driving device is mounted on the rack, the chamfering tool penetrates the support plate, and the working plane of the chamfering tool and the working plane of the operation platform are located in the same plane. The device has the advantages that labor intensity of workers can be effectively reduced, requirements for a to-be-processed plate are lower, the application range is wider, and the whole device is simple in structure, lower in energy consumption during use and convenient to produce and manufacture; a use method of the device has the advantages of simple process, fewer labor procedure and reliable operation principle, and labor intensity of workers during work in cooperation with the device is lower, so that working efficiency is higher.

The invention discloses a rehabilitation training standing-assistance seat with a massage function. The seat comprises trundles, a main platform and plug pin bases, brake sheets are installed at the outer sides of the trundles, and supporting columns are arranged on the trundles; sliding rails are arranged in horizontal supporting racks, pedals are fixed to the inner sides of sliding strips, and hinge plates are installed at the left and right sides of the main platform; a strong spring is installed below the other end of a movable cushion, movable plug pins penetrate through the plug pin bases, and positioning grooves are formed in the upper ends of the movable plug pins; a handrail is arranged at the edge of the movable cushion, support rods are installed at the four corners of the movable cushion, and a welding head is arranged on the surface of a serial connection rod. The medical standing-assistance device with an anti-slid and movable base is large in application range, has a good standing-assistance effect and is convenient to use during movement, and in addition, by using the device, a patient can carry on certain physical exercise according to his / her demands.

The invention provides a multifunctional pineapple picking machine which comprises a rack, a rotating rod, a grasping mechanism and a cutting mechanism, wherein the rotating rod is configured on the rack through a pivoting part and is provided with a working end and a holding stem end; the grasping mechanism is configured on the rotating rod and is provided with a grasping claw which can be openedor closed; the grasping claw is arranged at a working end of the rotating rod and is used for grasping pineapples; the cutting mechanism is configured on the rotating rod through a support rod, is positioned beside the grasping claw and comprises a rotating support base and a cutter which is fixed on the support base; the support base is capable of rotationally driving the cutter to move to a part below the grasping mechanism to cut off stems, and thus the pineapples are separated from the stems. Compared with the prior art, the picking machine provided by the invention is convenient to use,simple and practical in structure and good in usability, and integration of picking, collection and transportation of pineapples can be achieved.

The invention relates to a farming tool and particularly relates to a telescopic seedling transplanter. The telescopic seedling transplanter consists of a shaft sleeve, a middle front arm, a sliding chute, a middle rear arm, a sliding shaft, a shaft fork, a main rod, a tooth-shaped gasket, a top shaft, a pull rod, a rotating shaft seat, an operating handle, a handle sliding chute, a pulley, a handle shaft seat, a spring, a main rod sleeve, a waist pad, a handle, a front clamp and a rear clamp, wherein the middle front arm is provided with the sliding chute, the sliding shaft is positioned in the sliding chute and can slide in the sliding chute, the left end of the main rod is provided with the shaft fork which is integrated with the main rod, the ends of two forks of the shaft fork are respectively combined with two ends of the sliding shaft, the right end of the main rod passes through the main rod sleeve and is combined with the arc-shaped waist pad into a whole, and the spring is sheathed on the part, positioned between the right end of the main rod sleeve and the waist pad, of the main rod. The telescopic seedling transplanter can be used for reducing the labor intensity of an operator, and improving the transplanting efficiency and transplanting survival rate.

The invention discloses an automatic tray supply device, a tray arrangement table with the same and a security check system, and the automatic tray supply device comprises at least one conveying mechanism which conveys trays at different heights; the at least one lifting mechanism is used for moving the trays on the conveying mechanism at a first height to the conveying mechanism at a second height, and the first height is different from the second height; and the sorting table frame is used for bearing the at least one conveying mechanism and the at least one lifting mechanism. According to the automatic tray supply device, the situation that passengers look for trays can be reduced, service is more user-friendly, and the passengers can be prevented from bending down to take the trays.

The utility model relates to an environment-friendly automatic drilling device and belongs to the field of environment-friendly engineering equipment. A handheld bracket is fixed on the top of a firstbracket, a first motor is mounted on the right side of the top of a first motor base, a controller is fixed on the left side of the first motor, a second motor is fixed at the bottom of a second motor base, a lead screw nut is installed between a lead screw and a slide rail, a drill bit is installed on the main shaft of the second motor, an air suction device is installed at the front side of a fixing device, the fixing device is parallel to the bottom of a guide plate of the air suction device, and an air extracting device is fixed above the air suction device. According to the invention, the drill bit is driven to move downward through the first motor, and the drill bit is driven to rotate at a high speed to complete the drilling operation through the second motor, thereby improving theworking efficiency, and smoke and dust generated are absorbed and filtered by the air extracting device and the air suction device, thereby reducing the air pollution and protecting the health of workers.

The invention discloses a treatment vehicle with garbage bins and garbage bin opening and closing rotating frames. Bin bodies of the garbage bins can rotate out of or rotate back to the treatment vehicle from the front portion of the treatment vehicle. The garbage bin opening and closing rotating frames comprise screw rods fixed to the outer sides of the ends of the treatment vehicle, bin cover lifting assemblies and bin body rotating assemblies, wherein the bin cover lifting assemblies and the bin body rotating assemblies are connected to the screw rods. Polished rod areas are formed in the middles of the screw rods. The bin cover lifting assemblies comprise lifting plates which movebly sleeve the polished rod areas, cover lifting rods are arranged at the inner ends of the lifting plates,and the other ends of the cover lifting rods are connected with bin covers. The bin body rotating assemblies comprise rotating plates which are in rotatabe threaded connection to the positions, belowthe polished rod areas, on the screw rods, the inner ends of the rotating plates are connected with vertical supports, supporting plates are arranged at the bottoms of the vertical supports, and rolling wheels capable of moving on the upper surfaces of bottom plates are arranged at the bottoms of the supporting plates. The structure is reasonable, using is convenient, health care workers are prevented from bending down in the garbage abandoning process, and thus the lumbar spine is protected; and hands do not need to make contact with the garbage bins, the clean and hygienic effects are achieved, the hands are prevented from being contaminated, and glove replacement or hand hygiene disinfection are not needed any longer.

The invention discloses a table tennis picking up device. The picking up device comprises a cylindrical straight pipe with the inner diameter slightly larger than the diameter of table tennis, an elastic piece parallel to the end face of the straight pipe is arranged at one end of the straight pipe, the fixed end of the elastic piece is fixed on the end face of the straight pipe, the free end of the elastic piece is within the inner circle of the straight pipe, a tennis outlet is arranged on the side of the straight pipe, and the diameter of the tennis outlet is larger than that of the table tennis. According to the picking up device, staff can avoid the bending action when picking up tennis, simultaneously, a plurality of table tennis can be picked up through one picking up device, and labor force is reduced.

The invention provides a fertilizer applicator and an operation method thereof. The fertilizer applicator comprises a fertilizer storing device, which is arranged on a frame. The frame is provided with straps. The bottom of the fertilizer storing device is provided with a material outlet, which is connected to a transition device through a pipeline, the joint between the transition device and thepipeline is provided with an electromagnetic valve (A); the end side of the interior of the transition device is provided with a fertilizing opening, which is connected to a fertilizing pipe and is provided with an electromagnetic valve (B); the bottom of the fertilizing pipe is connected to an insertion pipe; the end side of the fertilizer applicator is provided with a controller, the external surface of the transition device is provided with an alarm; through the insertion pipe, the depth can be adjusted, at the same time, people does need to bend over during the operation process; and by setting a gravity sensor, the weight can be conveniently controlled. Through the technical scheme mentioned above, during the fertilizing process, the depth and weight are uniform, and the problems mentioned in the background technology are solved.

The invention discloses a convenient-to-operate rice transplanting device for rice cultivation and planting. The convenient-to-operate rice transplanting device comprises a moving assembly and a rice transplanting assembly, an operator pushes a handle to move in a rice field, rice seedlings in a discharging bin are put into a conical bin, the rice seedlings slide to the upper surface of a conveying frame through a discharging pipe, so that the rice is conveniently and orderly arranged, and the operator is prevented from bending down for a long time during rice transplanting. The invention further discloses a method of the convenient-to-operate rice transplanting device for rice cultivation and planting, the conveying frame is started to work, the rice seedlings are driven to be conveyed to the upper end of a pressing plate and slide into a pipeline, a motor is started to work, so that an eccentric wheel rotates and continuously impacts a bearing block, a bearing plate drives a telescopic pipe to be inserted into the rice field, and the rice seedlings are inserted into the rice field, so that the rice transplanting work can be completed.

The invention discloses a garment steamer expansion rod capable of serving as a conductor. The garment steamer expansion rod relates to garment steamers and solves the problem that the existing garment steamer requires bending down and is inconvenience in using due to the fact that the expansion rod of the existing garment steamer cannot be used as a conductor. The garment steamer expansion rod comprises at least two sections of tubular expansion joints capable of being assembled together in extending mode, and a buckle is arranged between every two adjacent expansion joints. The garment steamer expansion rod is characterized in that a top conductor is arranged at the top of the expansion joint at the top, a bottom conductor is arranged at the bottom of the expansion joint at the bottom, and a middle conductor capable of being extended or shortened is connected between the top conductor and the bottom conductor and is arranged in the expansion joints. Through structural design on the expansion rod, the expansion rod can be used as the conductor and can be used as a carrier of a circuit by means of the conducting property of the expansion rod, so that some operation functions of the garment steamer can be transplanted to a hanger at the top of the expansion rod from a base, consumers can be prevented from bending down in operation, and the expansion rod is very convenient.