217results about How to "Easy to operate and labor-saving" patented technology

The invention discloses a rotator for welding a box-shaped structural member, which comprises two rotating track supporting mechanisms formed by annular groove-shaped tracks and intra-annular rectangular frames, wherein pin wheels are welded on axial end surfaces of the rotating track supporting mechanisms, and two sets of symmetrical supporting roller systems are arranged at the lower ends of the rotating track supporting mechanisms; each set of the supporting roller system comprises a supporting roller seat which is fixed on a base and is articulated with a supporting roller frame, and supporting rollers are symmetrically arranged at two sides at the upper part of the supporting roller frame and are embedded into the annular groove-shaped tracks; gears which are meshed with the pin wheels are concentrically installed on the supporting rollers at different axes; each supporting roller seat is connected with two side supporting frames through a tension adjuster, the lower ends of the supporting frames are articulated with the base, and the upper ends of the supporting frames are fixedly connected with a guide roller mechanism through supporting frame seat boards; and traveling steel wheels which are embedded into a traveling track are arranged on the bottom surface of the base, and fixing devices are arranged at two sides of the base. The rotator of the invention can freely turn the welded box-shaped structural member at any time in the welding process, thereby turning a welding bead to the optimal angle for welding.

An oral cavity mouth gag comprises an upper jaw plate, a lower jaw plate, a rack body, a control rod and an adjusting rod, wherein the rack body is L-shaped; the transverse part of the rack body has a transverse groove with an opened upper end, while the vertical part has a vertical chute; the back part of the upper jaw plate is connected with the front end face of the transverse part; the back part of the lower jaw plate is positioned inside the vertical chute and can slide up and down relative to the vertical chute, while the front part is positioned outside the rack body and is arranged relative to the front part of the upper jaw plate; the back end of the control rod is rotatablely connected with the back part of the transverse part; moreover, the rack body is provided with an elastic piece which ensures that the control rod can maintain upward elasticity tendency; the upper end of the adjusting rod is rotatablely connected with the front end of the control rod through a shaft pin; and the lower part of the control rod is movably inserted into the vertical chute and is connected with the back part of the lower jaw plate. The oral cavity mouth gag which has novel structure can be used in oral cavity passive opening training without adopting an air box type water bag and can overcome various disadvantages caused by an air box type water bag.

The invention relates to a packet sending and falling structure of a beverage brewing device, which comprises a stand, a first machine element and a second machine element with a concave cavity capable of accommodating a beverage packet with an annular edge at the front, and is characterized by also comprising a supporting plate, guide structures and packet scarping hooks, wherein the supporting plate can slide along the depth direction of the concave cavity to extend or retract into the concave cavity, and the guide structure can guide the beverage packet and limit the beverage packet onto the supporting plate; the lower parts of the guide structures are oppositely opened and closed, and a space for placing the annular edge of the beverage packet is formed between the hook parts of the packet scraping hooks and the back end surface of the first machine element; and the circumferential wall of the front end of the concave cavity is provided with notches into which the hook parts of the packet scraping hooks extend. When packets are installed, the beverage packets are only needed to be installed from an inlet and fingers are not needed to extend into the concave cavity of the second machine element, therefore, the concave cavity can not be polluted by the fingers, and the packet installation is very convenient.

The invention discloses a cleaning machine of a range hood, belonging to range hood cleaning equipment. The cleaning machine comprises a machine body, wherein a self-priming pump, a heating liner and a control circuit board are arranged inside the machine body; a water inlet pipe, a water spray pipe and a power line are arranged outside the machine body; a water inlet of the self-priming pump is connected with the water inlet pipe and a water outlet of the self-priming pump is connected with the heating liner; the heating liner is communicated with the water spray pipe; the tail end of the water spray pipe is provided with an adjustable spray gun; and a pressure switch is arranged inside the spray gun. The cleaning machine disclosed by the invention has the characteristics of being convenient in operation, completely clean in the range hood cleaning and high in efficiency.

The invention discloses a hydraulic vertical-type conveying device and belongs to the technical field of conveying apparatuses. The conveying device comprises a lower fixing seat, an oil cylinder, a group of reinforcing struts, a thread-type oil pumping mechanism and a pressure oil releasing mechanism, and is characterized in that the oil cylinder comprises an oil cylinder base, a pump core, a pump cover, a pump core spring, a cylinder sleeve, an inner cylinder, a cylinder cover and a piston rod; the oil cylinder base is arranged on the lower fixing seat and is provided with an oil inlet duct, an oil return duct, a ball valve, a high-pressure oil duct, a high-pressure oil cavity, a high-pressure oil discharging duct and a high-pressure oil on-off valve; and the end part, extending out the cylinder cover, of the piston rod is fixedly provided with a bracket, a thread-type oil-pumping mechanism is matched with the pump core, the pressure releasing mechanism is arranged on the cylinder cover, and an upper fixing seat is sleeved on the cylinder cover. The hydraulic vertical-type conveying device has the advantages of rational integral structure, ideal work stability, convenience in operation and labor conservation.

The invention discloses a central control brake system and trolley type movable medical equipment. The central control brake system comprises a base frame, at least one trundle (4), a brake transmission shaft (1), a plate beam (3), a pedal (2) and a deflecting rotary component. The brake transmission shaft (1) is used for controlling the trundles (4) which are mounted at the bottom of the base frame. The pedal (2) is fixed onto the plate beam (3) which is movably connected with the base frame, and the deflecting rotary component is connected with the plate beam (3) and the brake transmission shaft (1) and drives the brake transmission shaft (1) to deflect and rotate under the control of the pedal (2). Braking and brake releasing of the trundles can be controlled by an operator via stepping on the pedal, and thereby operation is more convenient and laborsaving, and insteps of the operator cannot be hurt.

A switching device for pushing and shifting of sprinkler effluent is implemented in fit with a sprinkler welding body, a water distribution sheet, and a water outlet device. The device is characterized in that the switching device for pushing and shifting is arranged above the water distribution sheet in an accommodating cavity of the sprinkler welding body; a sealing strip is arranged at the front end of the switching device for pushing and shifting; the back part of the switching device for pushing and shifting protrudes out of the sprinkler body; and the sealing strip can movably plug water inlets with different functions. The movable switching device for pushing and shifting is arranged on the water distribution sheet for plugging the water inlets with different functions, so that the function of switching waters with different functions can be realized. Furthermore, the switching can be realized by just using a finger of a single hand to trigger a pushbutton, so that the operation of switching the functional waters in bathing can be more laborsaving and convenient.

The invention discloses a dust collector and an operation method thereof. The dust collector comprises an air feeding pipe and a dust cup, wherein a cup cover is arranged on the dust cup; one end of the cup cover is hinged with the dust cup, and the other end of the dust cup is clamped with the dust cup; a sliding piece is arranged on the air feeding pipe in a sleeving manner; the sliding piece isconfigured to slide in the axial direction of the air feeding pipe to push the cup cover to be separated from or clamped with the dust cup. The operation method of the dust collector comprises pushing the sliding piece in the axial direction of the air feeding pipe to drive the cup cover to be separated from or clamped with the dust cup. The dust collector achieves an effect of pouring out ash through one key, and the operation saves effort and is convenient; the sliding piece is arranged on the air feeding pipe in a sleeving manner, so that dust cannot fall onto hands when the sliding pieceis pushed. Therefore, a pollution source gets far away from a user, and the dust collector is sanitary and clean.

The invention provides an automatic lifting shelf device. The device comprises a shelf and connecting rods fixedly connected with the shelf, and further comprises gear motors; the connecting rods comprise ball screw assemblies, and the ball screw assemblies comprise ball screws, ball nuts and transmission gears, wherein the ball screws and the ball nuts are matched with one another, and the transmission gears are fixed at the bottoms of the ball screws; the transmission gears are in meshed connection with the gear motors; and first through holes are formed in the shelf, the ball nuts are inserted into the first through holes and are fixed with the shelf, and the ball screws rotate under the action of the gear motors so as to drive the shelf to ascend or descend through the ball nuts. The invention further provides a refrigerator, wherein the refrigerator is provided with the automatic lifting shelf device. According to the automatic lifting shelf device and the refrigerator, the structure is simple, and stepless automatic adjustability can be realized on the position of the shelf.

The invention relates to a double-inclined hole machining device for a numerical control machining center. A first support plate and a second support plate are arranged on a base; the second support plate is glidingly arranged on the base; a first sliding rail and a second sliding rail are arranged on the first support plate and the second support plate; a rotatable rotation block is arranged on a sliding block of the first sliding rail; an accommodating slot is formed in the rotation block; an electromagnetic iron ring is arranged in the accommodating slot; a positioning tube is arranged on the second sliding rail; a positioning slot is formed in the positioning tube; a support component is arranged between the first support plate and the second support plate; a drilling base capable of moving transversely is arranged on one side of the support component; a drilling mechanism capable of moving up and down is arranged on the drilling base; a measuring base capable of moving transversely is arranged on one side of the drilling base; scales are arranged on the measuring base; a groove is formed in the measuring base; two symmetrically distributed screw rods are arranged in the groove, and are connected with a motor; a proximity switch is arranged at the upper end of the screw rod. The device provided by the invention can drill out inclined holes with the same inclination angle, and the space between two inclined holes can also be guaranteed.

The invention relates to a vehicle-mounted power station concealed ladder stand and a mounting method thereof. The concealed ladder stand comprises a rail, an inner support frame and a ladder stand body, the rail is fixedly arranged below a chassis of an automobile frame, and the inner support frame is arranged on the rail, is in slide fit with the rail and is hinged with the upper end of the ladder stand body. The mounting method includes the steps: firstly, welding the rail below the chassis of the automobile frame; secondly, hinging the inner support frame with the upper ends of two rear columns and a step in the top layer together through bolts; thirdly, hinging two left columns, two right columns and steps in the other layers together through pin shafts; and finally, mounting the inner support frame onto the rail, and welding a stopper on the inner support frame. The vehicle-mounted power station concealed ladder stand has the advantages of simple and compact structure, small occupied space, convenience and labor saving in operation, use safety and reliability, low manufacturing cost, good concealing and the like, and is easy for popularization and use on automobiles of vehicle-mounted power stations.

The invention discloses a winding and release device of a communication engineering cable. The winding and release device comprises a base, and supporting pillars are mounted on the upper surface of the base; a rotating shaft is mounted between the two supporting pillars through bearings; the rotating shaft penetrates through the center of a winding wheel and is fixedly connected with the windingwheel; a first chain wheel is fixedly connected to the rotating shaft; a guide rail is mounted on the upper surface of the base; a sliding groove is formed in the guide rail; screw rods are rotatablyconnected to the two sides of the sliding groove; the screw rods are in threaded connection with mounting supporting lugs of the lower side of a guide mechanism; the guide mechanism comprises a U-shaped mounting base; a first guide wheel is mounted on the right side in the mounting base; a guide rod is connected to the left side of the mounting base in a sliding manner; a second guide wheel is fixedly connected to the right end of the guide rod; and a first spring is arranged on the guide rod in a sleeving manner. According to the winding and release device, a wound cable is compact and ordered and is prevented from being tangled, during cable release, the winding wheel driven by a first motor rotates reversely, operation is effort-saving and convenient, and efficiency is improved.

A tent folding bracket includes four vertical retractable piles, and connecting rod parts jointing each two piles in between. To the pile top, it is fixed with a lug and socked with a slide sleeve. The orthographic projection of the connecting rod parts forms a quadrangle and four triangles whose hemline is the side line of the quadrangle; each of the line is composed by two rods hinged together. The rods on the side line of the quadrangle are hinged to adjacent one through up-and-down hinge parts to the rod ends. One end of the rod on the belt line of the triangle is hinged through up-and-down hinge parts, and the other end is hinged to the lug on the pile.

The invention provides a temperature controller component. The temperature controller component comprises a temperature control panel, a temperature controller and a temperature control knob, wherein the temperature control panel is provided with an opening; the temperature controller is arranged on the back of the temperature control panel and contains a rotation shaft, the axis of the rotation shaft is parallel to the plane of the temperature control panel; and the temperature control knob is arranged on the free end of the rotation shaft, and one part of the temperature control knob is exposed from the front of the temperature control panel through the opening. As the rotation shaft of the temperature controller in the invention is arranged in a direction which is parallel to temperature control panel, the temperature control knob can be rotated by the user more conveniently. Compared with the electronic control mode, the control mode of the invention has lower cost. The invention also discloses a refrigerating device with the above temperature controller component.

The invention relates to treatment equipment for kitchen waste. The treatment equipment comprises a stirring device, a solid-liquid separation device, a solid processing treatment device and an oil-water separator; the stirring device is positioned above the solid-liquid separation device; the lower end of the solid-liquid separation device is provided with a solid outlet pipe and a liquid outletpipe; the solid processing treatment device is arranged at the lower end of the solid outlet pipe; and the oil-water separator is arranged at the lower end of the liquid outlet pipe. According to thetreatment equipment for the kitchen waste, the kitchen waste can be automatically stirred evenly and cut, then solid waste and liquid waste are separated through the solid-liquid separation device, the liquid waste is discharged through the oil-water separator, the solid waste is converted into feed used for fowl after being processed by the solid processing treatment equipment, operation is convenient and labor-saving, and actual production and processing requirements are met.

The invention discloses a tent bracket top fixing piece which comprises a base body and a press key assembly, wherein the base body is hinged with a plurality of supporting rods; a positioning hole is formed at the outer side of a hinging shaft of each supporting rod; a fixing block is further arranged beside each supporting rod; each fixing block is arranged in the base body and each fixing block is provided with an inclined guide block and a positioning block matched with each positioning hole; a spring is arranged between the other side of the fixing block, which opposites to the fixing block, and the base body; the hinging shaft of each supporting rod is further provided with a torsion spring and two feet of the torsion spring are respectively abutted against the supporting rod and the base body; the press key assembly comprises a press key and a pressing piece; the press key is mounted above the base body; and the pressing piece is located below the press key and a pressing part is located above the inclined guide block. The top fixing piece enables each supporting rod of a tent to be automatically unfolded; and only one movement can finish unlocking each supporting rod, and the operation is simple and convenient.

The invention discloses a heart-shaped fixture, comprising a heart-shaped fixture body, wherein an ejector rob capable of sliding up and down along the heart-shaped fixture body is arranged on the heart-shaped fixture body; an arched groove is arranged below the ejector rob; the axial line of the ejector rob and the central line of the front surface of the heart-shaped fixture are parallel but not collinear; a plurality of first locating holes are arranged on the heart-shaped fixture body; three second locating holes are arranged on the ejector rob; the diameters of the first locating holes and the second locating holes are the same; when the first locating holes are aligned to the second locating holes, a bolts are inserted in the first locating holes and the second locating holes; the ejector rob is a T-shaped rod; and the heart-shaped fixture is labor-saving and convenient in operation, and the production is not troublesome even in mass production; besides, the heart-shaped fixture has good clamping effect, thereby guaranteeing the work piece clamping safety and reliability.

The invention provides a municipal road garbage recycling device, belongs to the technical field of municipal engineering equipment, and solves the problem that an existing municipal garbage bin is poor in garbage recycling effect. The municipal road garbage recycling device comprises a vehicle body, wherein the rear end of the vehicle body is hinged to a lifting rack; the lifting rack comprises a hinge frame and two lifting arms; each lifting arm is provided with a connecting part and a plug part; each connecting part is slidably connected with a positioning seat; each positioning seat is hinged to two positioning rods; a buffer spring is arranged between each connecting part and the corresponding positioning eat; a beating stick is hinged between the two plug parts and is fixedly connected with a beating head; each plug part is further provided with a power piece, and when a garbage bin is lifted until a port of the garbage bin faces downwards, the beating head can be driven to beat the bottom of the garbage bin by the power pieces. The municipal road garbage recycling device can recycle garbage in the garbage bin, and garbage is recycled thoroughly.

The valve with lock includes valve body, valve core inside the valve body, valve rod with inner end connected to the valve core and outer end extending beyond the valve body and into a cylindrical locking casing in the upper part of the valve body. There is a clutch mechanism between the lock body in the locking casing and the valve rod for linkage or separation. The clutch mechanism is controlled by the lock body and when the clutch mechanism makes the lock body and the valve rod in linkage state, rotating the locking casing only can rotate the valve rod and valve core simultaneously to control the valve. The valve has reasonable structure and is practical.

the invention relates to the technical field of agricultural tools, in particular to a multifunctional high-branch trimmer. The trimmer comprises telescopic rods, scissors, handles used for driving the scissors to perform cutting movement and guiding collecting devices used for guiding cut fruits to reach a collecting frame, the handles are arranged at the lower ends of the telescopic rods, and the trimmer further comprises angle adjusting mechanisms; the scissors are fixedly connected with the upper ends of the telescopic rods through the angle adjusting mechanisms; the guiding collecting devices are connected with the upper ends of the telescopic rods, and the positions of the guiding collecting devices are adjustable. The multifunctional high-branch trimmer which is capable of making picking of fruits convenient by arranging the scissors and the guiding collecting devices with adjustable positions and angles is provided.

The invention provides an automatic case unpacking machine for a bill packing case, which comprises a casing, a main frame arranged on the casing, as well as a motor, a gearbox, a gearwheel, a connecting rod and a cutter blade which are arranged in the casing and sequentially connected through the main frame, wherein the gearwheel is connected with the connecting rod through an eccentric shaft, the gearbox is a planetary reduction gearbox, cutter blade tracks are arranged on the two sides of the cutter blade, and the automatic case unpacking machine further comprises a start switch connected with the motor. The motor rotates to increase the torque force transmitted by the motor through the gearbox, the rotary speed slows down so as to push the gearwheel to rotate, by using the rotation of the gearwheel, the cutter blade is driven to move in a reciprocated manner through the connecting rod, and then a clamping hook inside the bill packing case is cut off through the reciprocated move of the cutter blade, so as to open a case cover easily. The cutter blade in the invention does not take the shape of sawteeth but is sheet, so that chips can not be produced during the cutting and the requirements of environmental protection are met. In the invention, by using the planetary reduction gearbox, the weight and the volume of the entire machine are reduced, and the operation is easy.

The invention discloses a hydraulic vertical-type conveying device and belongs to the technical field of conveying apparatuses. The conveying device comprises a lower fixing seat, an oil cylinder, a group of reinforcing struts, a thread-type oil pumping mechanism and a pressure oil releasing mechanism, and is characterized in that the oil cylinder comprises an oil cylinder base, a pump core, a pump cover, a pump core spring, a cylinder sleeve, an inner cylinder, a cylinder cover and a piston rod; the oil cylinder base is arranged on the lower fixing seat and is provided with an oil inlet duct, an oil return duct, a ball valve, a high-pressure oil duct, a high-pressure oil cavity, a high-pressure oil discharging duct and a high-pressure oil on-off valve; and the end part, extending out thecylinder cover, of the piston rod is fixedly provided with a bracket, a thread-type oil-pumping mechanism is matched with the pump core, the pressure releasing mechanism is arranged on the cylinder cover, and an upper fixing seat is sleeved on the cylinder cover. The hydraulic vertical-type conveying device has the advantages of rational integral structure, ideal work stability, convenience in operation and labor conservation.

The invention discloses a nursing bed with a defecation device, which comprises a bed frame and a bed mattress arranged on a first beam and a second beam. The mattress is provided with a defecation hole, the bed also comprises a commode holder frame with an inside commode and a plurality of swing rods, wherein the upper end of the frame is hinged on the first beam and the second beam; one end of an electric push rod is fixed on a bed frame, other end is hinged with one end of a first joint, the other end of the first joint is fixed at one end of a rotating shaft of a defecation hole plug frameprovided with a defecation hole plug; the other end of the rotating shaft is fixedly connected with one end of a second joint, the other end of the second joint is hinged with one end of a connectingrod, the other end of the connecting rod is hinged with a middle lug of a drive block of the commode holder frame, one end of the drive block of the commode holder frame is hinged with the bed frame,the other end of the drive block of the commode holder frame is provided with push blocks arranged on a swing bar to make the top of the commode pass through the defecation hole and contact the buttock of a defecator. The bed is simple in structure and the cleaning feeling and comfort feeling are strong.

The invention discloses a limiting button structure and a wire spool including the limiting button structure. The limiting button structure comprises a limiting box body, a limiting member, an elastic part, an elastic button and a limiting pillar, wherein the upper limiting box body is integrally arranged on an upper shell of the wire spool, the limiting member is arranged in the limiting box body, the elastic part is arranged on the rear side surfaces of the limiting member and the limiting box body, the elastic button is arranged on a front panel of the limiting box body in a penetrating manner and is connected with the limiting member in a propping manner, and the limiting pillar can be inserted in the limiting member. The wire spool comprises the limiting button structure. The limiting button structure and the wire spool provided by the invention, a limiting button is triggered to realize the free rotation of a base of the wire spool, so that the operation of the wire spool is convenient and effort-saving, and the management of the cable is facilitated.

The invention discloses an ash cleaning robot for garbage incineration. The ash cleaning robot for garbage incineration comprises a bottom plate, wherein a collecting box is fixedly connected to the left side of the top of the bottom plate, an incinerator is fixedly connected to the top of the collecting box, and a heat insulating layer is fixedly connected to the inner wall of the incinerator; and a smoke removing box is fixedly connected to the right side of the top of the bottom plate, a partition plate is fixedly connected to the middle of the inner wall of the smoke removing box, an oxygenator is fixedly connected to the left side of the top of the partition plate, a smoke extraction box is fixedly connected to the right side of the top of the partition plate through a cushion block,and the ash cleaning robot relates to the technical field of garbage disposal. According to the ash cleaning robot for garbage incineration, the cooperation of electric telescopic rods, a push plate and pull rods is utilized, a net plate can be driven to perform lifting reciprocating motion, and then the incinerated ash can fall into a ash collecting hopper by utilizing a shaking force, so that the residual ash on the net plate can be thoroughly cleaned; and the ash can be directly discharged into a collecting dragging box through an ash discharging pipe, no significant diffusion of dust is caused, automatic ash cleaning is achieved, the operation is labor-saving and convenient, the environment is not polluted, and the body of workers is not damaged.

The invention provides tightening device of an insulator replacement device. The tightening device comprises a forked joint, a screw rod and a hydraulic device, wherein the screw rod consists of a screw rod I, a screw rod II and a double-ended screw sleeve connected between the screw rod I and the screw rod II, wherein the middle of the double-ended screw sleeve is connected with a spanner; the forked joint is connected to the terminal of the screw rod I; the piston rod of the hydraulic device stretches out from the front end of a cylinder body and is fixedly connected with the screw rod II; the rear side of the cylinder body of the hydraulic device is a forked part; and the hydraulic device is connected with a stirrup pump. The tightening device adopts a screw rod and hydraulic device combined structure; the spanner is utilized to rotate the double-ended screw sleeve to adjust the length of the screw rods, so as to pre-absorb redundant stroke; then the hydraulic device provides effective working stroke, not only can the portability of the screw rods during an unstressed state and a slightly stressed state be utilized, but also the hydraulic device is utilized to complete the tightening operation under a rated working load by virtue of a smaller operating force, and the operation is labor-saving and convenient. The hydraulic device adopts a one-way throttle valve to automatically control the return oil flow, and the stroke fine adjustment of the hydraulic device is realized.

The invention discloses a projector bracket for handling official business. A frame plate and a base are included; a hollow-out plate is arranged on the inner side of the frame plate, and is providedwith a slide groove; two sliding pieces are connected in the slide groove in a sliding manner; a limiting block is welded to one side of the top of each of the two sliding pieces; and one side of eachlimiting block is located on the corresponding sliding piece and is in threaded connection with a screw. In the projector bracket for handling the official business, firstly, the limiting blocks aremoved and made to be attached to the side edges of a projector; then by twisting a rotary knob, a gasket is made to be closely fixed to the upper surface of the hollow-out plate, at the moment, the positions of the limiting blocks are limited, the structure is simple, lateral migration of the projector can be avoided, and therefore a certain protective effect is achieved for the projector; secondly, by rotating a rotating disk, a second bevel gear drives a first bevel gear to rotate, and therefore a lead screw is made to rotate, due to the rotating effect of the lead screw, a spiral sleeve slowly moves upwards, and therefore the purpose of adjusting the height of the projector bracket is achieved; and the structure is simple, operation saves labor and is convenient, and the lifting processis stable and reliable.

The invention relates to a wire spool comprising a base, a rotating wheel, a coil spring, an upper shell and a limiting component, wherein a center pole is arranged on the base; the rotating wheel is sheathed on the center pole of the base and is provided with a containing part, and a threading hole for a cable to pass is arranged on the side surface of the containing part; the coil spring is arranged in the containing part of the rotating wheel and is sheathed on the center pole, the inner end of the coil spring is fixed with the center pole, and the outer end of the coil spring is fixed with the rotating wheel; the upper shell is covered on the rotating wheel and is connected with the base, a cable outlet hole is formed on the upper shell; and the limiting component is arranged on the upper shell and is combined with the rotating wheel in a clamping manner to control the rotation of the rotating wheel under the action of the coil spring. According to the wire spool provided by the invention, the coil spring, the rotating wheel and the limiting component are matched with each other, so that the operation of the wire spool is simple, the convenience and the effort conservation are achieved, and the management of the cable is facilitated.