149 results about "Volute spring" patented technology

The application discloses an inertial centrifugal force control safe belt tightening device, relates to the technical field of tightener, and comprises a handle assembly, a base assembly and a long belt, wherein the handle assembly comprises a handle and a ratchet wheel, the base assembly comprises a base, the handle and the base are pivotally connected through a volute spring shaft, one end of the volute spring shaft is provided with a centrifugal brake assembly, and the centrifugal brake assembly comprises a brake disc, a brake cover, a brake pawl and a return compression spring. The application has the advantages of reasonable design, brake function, prevention of long belt swinging and injury of operators, personal safety of operators, handle limiting function, obvious improvement of smoothness and service life of the tightening device and excellent practicability.

The application provides a cable winding device, and belongs to the technical field of power construction. The cable winding device comprises a support frame, a cable tensioning assembly is arranged on the support frame, the shaft center of a winding disc is fixedly installed with a main gear wheel, a tensioning gear wheel is rotatably arranged on one side of the support frame, a volute spring is arranged in the tensioning gear wheel, a driving rod is fixedly installed at one end of the volute spring, two groups of extrusion guide wheels are arranged on the support frame, the two groups of extrusion guide wheels are used for extruding the cable and rotating synchronously with the movement of the cable, and the volute spring is used for driving the extrusion guide wheels to rotate and tighten the cable. The volute spring rotation potential energy is transmitted between the driving rod and the extrusion guide wheel, the rotation potential energy is transmitted to the extrusion guide wheel, the extrusion guide wheel has rotation potential energy opposite to the movement direction of the cable, and then certain pre-tightening force is provided for the cable during the winding of the cable, so that the problems of winding and knotting during the winding of the winding disc are avoided.

The invention relates to the technical field of aviation part manufacturing and metal punch forming, in particular to an aviation volute spiral spring punch forming method which comprises the following steps: a data acquisition step: acquiring real-time modulus data and a target geometric trajectory equation of a to-be-processed plate; an energy mapping calculation step: performing energy mapping on the trajectory equation, and determining a target strain energy density distribution diagram representing the energy dissipation gradient; a potential barrier parameter determination step: determining a deformation energy potential barrier parameter of the current forming position in combination with the real-time modulus; a rheology compensation resolving step: resolving a rheology compensation control instruction set containing ultrasonic excitation and piezoelectric driving parameters based on potential barrier parameters; a dynamic forming execution step: driving the dynamic rheological compensation die system to execute stamping operation; according to the method, dimension raising from geometric shape copying to energy flow control is achieved, the fatigue life of the spring is remarkably prolonged, and geometric consistency of the spring is remarkably improved.

The utility model relates to a tensioning machine which comprises a support, a tensioning device and a tensioning device. The belt shaft is rotatably mounted on the bracket, penetrates through the accommodating space and is used for winding and rolling the binding belt; the volute spring is arranged on the belt shaft and used for enabling the belt shaft to have the tendency of rotating in the bundling belt winding direction; the speed reduction assembly is arranged on the belt shaft and used for acting on the belt shaft to reduce the rotating speed of the belt shaft when the belt shaft rotates in the bundling belt winding direction; the blocking assembly is arranged on the support and used for selectively locking or releasing rotation of the belt shaft. According to the tensioning machine, on the premise that the compact structure is guaranteed, the volute spring and the speed reduction assembly are arranged at the two ends of the belt shaft respectively, the overall layout is more reasonable, mutual interference between components is effectively reduced, and the structural complexity is remarkably reduced.

The invention discloses a timer shell assembling device based on an industrial robot, and the device comprises a main body unit which comprises a load-bearing frame and a load-bearing plate fixedly connected to the upper surface of the load-bearing frame, and the lower surface of the load-bearing frame is fixedly connected with symmetrically distributed supporting plates; according to the device, an adjusting gear is utilized, a rotating motor adjusts driving force to rotation of a steering block, the driving force is transmitted to one side of a gear set through a first rubber arc-shaped plate and a second rubber arc-shaped plate, then the gear set drives the adjusting gear in the mutual meshing process, and therefore the adjusting gear drives a moving block to rotate; through an L-shaped rod capable of sliding in an auxiliary plate, in the reset process of the L-shaped plate through a volute spring, when a shell is placed on the outer surface of a timer to a certain extent, the timer which needs to be subsequently assembled on the upper surface of a containing table is preliminarily carried step by step, and after assembling is completed, subsequent products can be rapidly placed and treated.

A protective device (8), a rock drilling unit (4) and a method for providing protection in a rock drilling unit. The protective device comprises a protective casing (9) mountable to surround a drilling tool (7) connected to a rock drilling machine (6). The protective casing is a volute spring (10) which is a compression spring coiled of flat strip material (13) to a volute and forming inside the volute spring a longitudinally elastic tool space (15) for receiving the drilling tool.

The utility model relates to the technical field of power supply butt joint, in particular to a power supply rapid installation butt joint device which comprises an installation shell, a take-up wheel and a butt joint fixing assembly. A first rotating rod is arranged on the inner side of the take-up wheel; a coil spring is arranged on the inner side of the protective shell; a first spring is arranged on the inner side of the mounting shell; a limiting block is arranged on one side of the first spring; a cable is arranged on the outer side of the take-up wheel, and a first butt joint block is arranged on one side of the cable. According to the device, redundant cables are wound in the device in an automatic winding mode, the cables are prevented from being scattered randomly, and therefore the problems that in the using process of most power supply installation butt joint devices without the cable winding function or without the cable winding function, the cables can be scattered randomly, attractiveness is affected, walking inconvenience is possibly caused, and the service life of the power supply installation butt joint devices is affected are solved. And even safety accidents such as stumbling are caused.

The utility model discloses a socket with a take-up structure, which comprises a socket main body, and the lower end of the socket main body is provided with a take-up assembly used for preventing lines from being disordered. According to the utility model, the winding roller is arranged, the winding roller is used for winding the connecting line, taking down the plug, pressing the moving frame and pulling out the plug, the connecting line drives the winding roller to rotate, the winding roller drives the triangular block to rotate, the fixing pipe drives the scroll type spring piece to rotate, and the fixing rod is used for fixing one end of the scroll type spring piece. When the connecting line needs to be wound, the movable frame is loosened, the elastic pipe drives the movable frame to reset under the elastic action of the elastic pipe, the clamping block limits the triangular block, the winding roller is prevented from rotating, when the connecting line needs to be wound, the movable frame is pressed, the clamping block is separated from the triangular block, limiting of the winding roller is relieved, and the connecting line is wound. And the scroll type spring piece drives the winding roller to rotate so as to store the connecting line.

The application discloses a cable drum convenient to replace on a crown block and a replacing method thereof and belongs to the technical field of cable drum replacing, which comprises two bottom plates, vertical plates are arranged on the top sides of the bottom plates, wire-out boxes are arranged on the vertical plates, rotating shafts are arranged in the vertical plates, volute springs are rotatably connected to the outer surfaces of the rotating shafts, sleeve bodies are rotatably connected to the outer surfaces of the rotating shafts, baffle plates are arranged on the left and right sides of the sleeve bodies, horizontal rods are arranged on the opposite sides of the vertical plates, at least one pair of connecting holes are formed in the baffle plates, locking pieces are arranged on the horizontal rods, the baffle plates are connected with the horizontal rods through the connecting holes and the locking pieces, auxiliary rotating assemblies are detachably arranged on the wire-out boxes and the rotating shafts, and limiting assemblies are arranged on the auxiliary rotating assemblies. The baffle plates and the cable drum are fixed through the locking pieces, so that the cable drum can be stored for a long time after the locking torque ring.

The utility model discloses an on-site surveying device for building structure design, and relates to the technical field of building surveying. Comprising a base, a round hole is formed in the middle of the base, a vortex-shaped spring is fixed to the inner side of the round hole, a supporting rod is connected to the center of the vortex-shaped spring, a horizontal rod is arranged at the upper end of the supporting rod, a threaded hole is formed in the upper portion of the base, a telescopic pull rod is in threaded connection with the interior of the threaded hole, and a mounting frame is arranged at the upper end of the telescopic pull rod; and a measuring instrument is mounted on the mounting rack. The stability of the device is improved through the weight of a surveyor, the surveyor can lean on the horizontal rod and keep balance through the surveyor, the supporting rod transmits pressure to the base through the volute spring, the friction force between the base and the ground is increased, and therefore the stability of the device is improved.

The utility model discloses a bulletproof reading stand, and belongs to the field of reading stands. The reading frame comprises a base, a supporting rod and a reading plate; the supporting rod comprises an outer pipe, an inner pipe and a plug, the bottom end of the outer pipe is fixed to the base, a locking piece is arranged on the outer pipe, the plug is inserted into the top end of the outer pipe, the inner pipe is inserted into the plug in a sliding mode, an interval space is formed by the outer circumferential wall of the inner pipe and the inner circumferential wall of the outer pipe, and the locking piece is arranged on the outer pipe. The plug is arranged in the inner pipe, a volute spiral spring is arranged in the bottom end of the inner pipe, one end of the volute spiral spring is fixed to the plug and can extend in the interval space in the axial direction of the inner pipe, the top end of the inner pipe is connected with the reading plate, and the locking piece is used for locking the inner pipe. The bulletproof reading stand provided by the embodiment of the utility model not only can improve the reading experience of a reader, but also can effectively prevent the inner tube from being damaged by bulletproof collision when the height of the reading plate is adjusted.

The utility model relates to the technical field of glass cleaning, and discloses a circulating cleaning water tank convenient for glass cleaning, which comprises a water tank, the surface of the water tank is connected with a sealing door, the top of the water tank is fixedly provided with a funnel, and the funnel is communicated with the water tank. A rocker is rotated to rotate forwards, a worm and a worm wheel rotate, a Z-shaped pipe is driven to rotate, the flow direction of sewage by the Z-shaped pipe is changed, the other set of filter plates conduct filtering work, when the rocker rotates forwards, one set of connecting ropes are wound in a second groove, a corresponding rotating rod rotates forwards, meanwhile, a corresponding volute spiral spring is wound, meanwhile, the other set of volute spiral spring is released, the other set of rotating rods rotate backwards, and the other set of rotating rods rotate backwards. And when the other group of connecting ropes are wound and the rocker cannot continuously rotate forwards, the Z-shaped pipe rotates by 180 degrees to directly correspond to the other group of filter plates, the corresponding sealing door is opened, the filter plate needing to be replaced is pulled out for replacement, the cleaning work does not need to be stopped, and the cleaning efficiency is improved.

The utility model discloses a waterproof intelligent pet necklace applied to the technical field of pet necklace, including first necklace and second necklace, one end of second necklace surface is fixedly connected with the shell cover, the inside welding of shell cover has the locating rod, the surface of locating rod is around and connects the volute spring, the surface of volute spring is around and connects the connecting band of shell cover sliding connection, both ends of volute spring are fixedly connected with connecting band and locating rod respectively. Through first necklace and second necklace can be mutually split, make it as two pet necklaces use, also can be combined to become a necklace simultaneously. So as to be convenient for holding two pets simultaneously, need not hold two necklaces when walking two pets. And the split two necklaces can be apart a certain distance, that is convenient for two pets to move freely, will not be too much restraint, can be apart distance is limited, will not be too far away from the owner, and the owner is convenient for nursing management.

The utility model discloses an automobile suspension control arm, which belongs to the field of automobile accessories, and comprises a quick release mechanism, the quick release mechanism comprises a connecting seat, a plurality of rotating grooves are equidistantly formed in the connecting seat, elastic plates are arranged in the rotating grooves, rotating rods are arranged in the elastic plates, and the rotating rods are connected with the connecting seat. A coil spring is arranged on the outer wall of the rotating rod, the elastic plate is rotationally connected with the interior of the rotating groove through the rotating rod and the coil spring, a mounting rod is arranged in the connecting base, a plurality of clamping grooves are formed in the mounting rod at equal intervals, and a moving groove is formed in one side of the top end of the elastic plate. According to the automobile suspension control arm, the quick release mechanism and the buffer mechanism are arranged, so that when the control arm is used, the first lining is conveniently mounted and dismounted, after the first lining is damaged, the first lining is conveniently and independently dismounted and replaced, the whole swing arm assembly does not need to be replaced, and therefore the maintenance cost is reduced; and meanwhile, the dismounting efficiency of the first bushing is improved.

The application discloses a pest treatment device for a greenhouse, which comprises a supporting seat, a pest killing horizontal cylinder arranged above the supporting seat, a bottom block fixedly installed at the bottom end of the pest killing horizontal cylinder, a first rotating block fixedly installed at the bottom end of the bottom block, a first rotating frame fixedly installed at the top end of the supporting seat, the first rotating frame comprising two fixed plates and a fixed shaft between the two fixed plates, the first rotating block being rotationally connected with the fixed shaft, and a volute spring being installed between the first rotating block and the fixed shaft; in the application, when the light source in the light source pressing block in the pest killing horizontal cylinder is turned on, flying insects enter the pest killing horizontal cylinder through the through hole and the insect feeding and discharging groove under the phototaxis, then the left and right electromagnetic coils are cyclically turned on and turned off, the counterweight movable block is moved to adjust the barycenter position of the pest killing horizontal cylinder, the pest killing horizontal cylinder is deflected, the light source pressing block is moved to roll and crush the flying insects on one side, and the killing speed of the flying insects is improved.

The utility model relates to the technical field of hard alloy circular knives, and discloses a hard alloy circular knife edge burr detection device, which comprises a detection table and is characterized in that through the arrangement of a moving assembly, when a hard alloy circular knife is larger, the hard alloy circular knife can abut against a positioning block and drive a telescopic rod to contract; when the telescopic rod retracts, the fixed plate and the sliding block can be driven to move, when the sliding block moves, the toothed plate can be driven to move, when the toothed plate moves, the gear meshed with the top of the toothed plate can be driven to rotate, and when the gear rotates, the gear can abut against the inserting block to drive the inserting rod to swing upwards; when the gear rotates, the inserting rod resets under the action of the first volute spiral spring, so that the inserting block abuts against the surface of the gear again to be fixed, the situation that due to excessive clamping, a cutter body of the circular cutter is slightly deformed, and then the roundness and the flatness of a cutter edge are affected is prevented, the product quality is improved, and the rejection rate and the production cost are reduced.

The utility model relates to the technical field of automatic wire stripping machines, in particular to an automatic wire stripping and cutting machine which comprises a machine shell, a supporting rod is fixedly connected to the position, close to the bottom, of the inner side of the machine shell, and a swing rod is rotationally connected to the position, away from the machine shell, of one side of the supporting rod. The device has the advantages that the supporting rod, the swing rod, the rotating rod, the rotating disc, the sliding rod, the cover plate, the connecting block, the spiral spring, the rotating shaft, the sliding block and the positioning tool bit are matched with one another. According to the device, an elastic structure of a spiral spring is adopted to control a rotating disc to rotate, the rotating disc rotates to drive a rotating rod and a swing rod to swing, in this way, the swing rod can control a sliding rod to ascend and descend, the sliding rod can control a sliding block and a positioning tool bit, and in this way, the spiral spring can control the limit resistance of the positioning tool bit; and the elasticity of the spiral spring also enables the positioning tool bit to be reset, so that the effect of directly cutting the cable without measurement is realized.

The utility model discloses a traffic transportation facility anti-collision device, which belongs to the technical field of traffic facilities and comprises a mounting frame, a buffer pad is arranged on one side outside the mounting frame, a first buffer spring piece is fixed on the inner side wall of the buffer pad, and a buffer plate is fixed at one end, far away from the buffer pad, of the first buffer spring piece; an anti-rolling mechanism is arranged on a traditional traffic anti-collision device, primary collision buffering protection is achieved through a first buffering spring piece and a second buffering spring piece, when the second buffering spring piece is subjected to out-of-limit collision, a guide rod is pushed outwards by the maximum stroke along a fixing plate, a lock rod is pushed away from a lock handle, and the anti-rolling mechanism is used for preventing collision. The protection rod is rotated by means of the elastic deformation effect of the volute spring until the first clamping trip shaft is blocked by the second clamping trip shaft and stops in the vertical state, the purpose of increasing the protection height above the mounting frame is achieved, anti-rolling protection is effectively conducted on a vehicle, and the protection effect of anti-collision facilities is improved.

The utility model discloses a cold and hot shock test box with an operation screen protection structure, which comprises a test box, a low-temperature box and a high-temperature box are arranged on the inner wall of the test box, the low-temperature box is communicated with the high-temperature box, a lifting frame is jointly arranged in the inner cavity of the high-temperature box and the inner cavity of the low-temperature box, a touch screen is arranged on the surface of the test box, and the touch screen is connected with the operation screen protection structure. And a carrier block is fixedly mounted on the surface of the test box through a bolt. According to the touch screen protection device, the clamping block is shifted to be separated from the second gear, the protection curtain is held and pulled to be unwound at the moment, then the protection curtain drives the rotating rod and the second shaft rod to rotate, the second shaft rod drives the second gear and the first shaft rod to rotate through the first gear, then the first shaft rod drives the coil spring to deform, and meanwhile the protection curtain shields the outer side of the touch screen; therefore, the electronic touch screen on the surface of the test box body can be shielded and protected, the situation that the electronic touch screen is damaged due to collision of foreign objects is avoided, and the purpose of protecting the electronic touch screen is improved.

To provide a method of manufacturing an electrical contactor including a volute spring structure extending in upward and downward directions formed integrally using a single material, having mechanical simplicity and excellent functionality, and functioning as an electric circuit achieving connection without loss. The present disclosure relates to a method of manufacturing an electrical contactor formed from a single rod-like conductive member of a circular cross section, the method comprising: a first step of forming a spiral slit with respect to an upper portion and / or a lower portion to be cylindrically formed of the rod-like member; a second step of winding up the upper portion and / or the lower portion of the rod-like member subjected to the slit formation performed by the first step so as to form a conical shape; and a third step of compressing a spiral structure of each hierarchy of the upper portion and / or the lower portion of the spiral rod-like member wound up by the second step until the spiral structure of each hierarchy overlaps with each other, and then performing a hardening heat treatment to form an electrical contactor including a spiral-structured elastic portion.

The present application relates to steel drum processing equipment technical field, and disclose a kind of steel drum production pretreatment production line, production line body, the production line body includes transport table, heating furnace, cooling section, cleaning tank and blanking device;The steel drum production pretreatment production line is set using the contact component, when steel drum is transported and offset, barrel body touches drive bar, drives fixed column and transmission column rotation, volute spring torsion force storage.Transmission column is driven transmission wheel and bevel gear one rotation by belt, 90 ° direction change transmission is realized by bevel gear two, and drive rotating lever rotation.Arc-shaped sliding slot of rotating lever pushes slide bar transverse movement, drives slide plate and contact plate to extend from recess.Two groups of symmetrical contact component bidirectional synchronous force, push steel drum to center and complete deviation correction, effectively prevent steel drum offset, jam and collision, improve conveying centring, production line smoothness and subsequent process machining precision and product consistency.

The utility model discloses a hydrogen efficiency analyzer capable of improving measurement accuracy, and relates to the technical field of hydrogen efficiency analyzers, the hydrogen efficiency analyzer comprises an instrument main body, the four corners of the bottom of the instrument main body are fixedly connected with supporting legs, one side of the instrument main body is fixedly connected with a fixed block, the fixed block is internally and movably connected with a connecting piece, and the connecting piece is fixedly connected with the instrument main body. And a probe is arranged at one end of the connecting piece. By sliding the movable frame, the movable plates can be driven to rotate outwards through the connecting rods and the second rotating shafts, so that the cover body formed by the movable plates is opened, the probe can be in direct contact with air to be detected for detection, and meanwhile, after detection is completed, the movable frame is slid again, and the movable plates are pushed to rotate inwards through the connecting rods; the movable plates can be combined into the cover body again through the plurality of movable plates, and the elastic force of the second coil spring can ensure that the movable plates are tightly attached, so that the probe is protected, measurement errors caused by damage or pollution are avoided, the working efficiency is improved, and the service life of the instrument main body is prolonged.

The invention discloses plastic solid waste recycling treatment equipment, and belongs to the technical field of plastic recycling, the plastic solid waste recycling treatment equipment comprises a shell, a crushing assembly used for crushing waste plastic is arranged in the shell, and a driving box used for driving the crushing assembly to operate is arranged on the shell. The discharging roller can stably rotate under the transmission effect of the driving box, the multiple scroll elastic pieces on the rotating shaft can drive the friction ring to synchronously rotate, meanwhile, the friction ring is made to be close to the discharging roller all the time through the cooperation of the moving block and the balancing weight through the inhaul cable and the gravity, a stable friction gap is formed, and therefore the discharging effect is improved. In the falling process of plastic particles, the plastic particles can be fully extruded and rubbed by the rotating discharging roller and the friction ring, so that dirt such as dust and oil dirt attached to the surfaces is effectively stripped, and compared with a traditional cleaning mode purely depending on water washing, most dirt is removed in advance through physical friction, and the water consumption and the cleaning pressure in the follow-up water washing link can be greatly reduced.

The utility model discloses a kind of multiple type punching pipe fixing device, it is related to pipe fixing technical field.The utility model includes pipe material, and further include: fixed mechanism, the fixed mechanism is used to fix pipe material, auxiliary mechanism, the auxiliary mechanism is set in fixed mechanism front, the auxiliary mechanism is used to assist pipe material, the auxiliary mechanism includes adsorption subassembly, adsorption subassembly includes rotating plate, the rotating plate is commonly provided with two.The utility model is through setting auxiliary rod, specifically when auxiliary rod moves to the hole in pipe material top, volute spring rebound makes auxiliary rod enter pipe material interior through the hole in pipe material top, then again to electromagnet energization, so that electromagnet generates magnetic force, then again through the magnetic force generated by electromagnet to the plate piece generated when punching is adsorbed, avoid the plate piece of pipe material top punching to fall to the position of pipe material bottom punching, to make more accurate when punching pipe material.

The application relates to the technical field of textile machinery and discloses a stable knitting mechanism for fiber cooperative weaving, which comprises an inertia yarn feeding assembly and a linkage forming assembly; the inertia yarn feeding assembly comprises a motor, a central shaft, a supporting disc, an outer rotating drum, a concave sleeve disc and a volute spring; the output end of the motor is connected with the central shaft, and the supporting disc is fixedly connected on the central shaft; the concave sleeve disc is fixed at the inner sides of the two end heads of the outer rotating drum, and the supporting disc and the concave sleeve disc cooperate to rotate and support the outer rotating drum outside the central shaft. Through mechanical cooperation of the inertia yarn feeding assembly and the linkage forming assembly, the yarn breaking problem of high modulus fibers in the three-dimensional weaving process is solved; the elastic coupling structure between the central shaft and the outer rotating drum is utilized to convert the acceleration change of the driving motor into the relative rotation angle between the two, and then the rigid pulling bar is driven to retract radially through the eccentric wheel, the connecting rod and the sliding block mechanism.

The utility model relates to the technical field of automobile part machining, in particular to an automobile part spot welding auxiliary device which comprises a workbench, a bidirectional lead screw, a first fixing block, a first fixing frame, a servo motor and the like. Two bidirectional lead screws are rotatably connected to the bottom of the workbench, two first fixing blocks are slidably connected to the front side and the rear side of the top of the workbench, first fixing frames are connected between the front first fixing block and the rear first fixing block, the first fixing blocks are in threaded connection with the bidirectional lead screws, and a servo motor is installed on the workbench. According to the auxiliary device, the connecting base, the second fixing block, the volute spiral spring, the rubber block and the connecting rod are arranged, under the elastic action of the volute spiral spring, the second fixing block can press the automobile part, the rubber block can increase the friction force between the automobile part and the second fixing block, and the stability of the auxiliary device is further improved; and an air cylinder and a lower pressing plate are further arranged, so that the second fixing block can automatically press and loosen the automobile parts.

The application provides a wire body winding and pulling device and a child's vehicle. The wire body winding and pulling device comprises a winding reel for winding a wire body, a volute spring acting on the winding reel and a locking mechanism. The locking mechanism comprises a clamping gear fixed to the outer side of the winding reel and coaxially arranged with the winding reel, a clamping piece with one end clamped with the clamping gear, an elastic piece arranged at the other end of the clamping piece, a rotating piece connected with the clamping piece and an unlocking piece arranged at the side of the rotating piece away from the clamping piece. The clamping piece clamped with the clamping gear makes the winding reel unable to rotate, and then the wire body on the winding reel cannot be manually pulled out or automatically retracted under the action of the volute spring. At this time, the length of the wire body can be kept at a constant value, so that the user can pull with confidence. The arrangement of the unlocking piece and the rotating piece makes the position of the unlocking piece manually adjusted to drive the clamping piece to be separated from the clamping with the clamping gear, so that the winding reel can rotate, and then the wire body on the winding reel can be pulled out and the pulled-out length can be adjusted, or the wire body can be automatically retracted under the action of the volute spring.

The utility model relates to the field of design of medical equipment, in particular to an electrical stimulation device for ear vagus nerves, which comprises a winding part. A winding part is arranged outside the wire, the winding part comprises a wire spool, a wire winding wheel and an adjusting part, the wire spool sleeves the wire, the wire winding wheel is rotatably arranged in the wire spool, an extension part of the wire is wound on the wire winding wheel, the adjusting part is rotatably arranged on one side of the outer part of the wire spool, and the end part of the adjusting part penetrates through the wire spool and is connected with the wire winding wheel. According to the utility model, through the cooperation of the wire spool, the reel, the vortex spring and the adjusting piece, automatic winding and neat storage of wires are realized, and the problem of disorder of the wires is avoided; the ear support and the torsion spring are matched to ensure that the electrode is in close contact with the skin of the ear, so that the electrical stimulation effect is improved.

The utility model relates to an adjustable rotary type electromagnet structure which comprises a shell, a coil framework is installed in the shell, a coil is wound outside the coil framework, an armature is installed in the lower portion of the coil framework, a rotating shaft is arranged on the armature, a fixing ring is installed on the top of the shell, a through hole is formed in the middle of the upper end of the fixing ring, and a through hole is formed in the middle of the lower end of the fixing ring. A through hole is formed in the outer shell, a plurality of clamping protrusions are evenly arranged at the upper end of the fixing ring around the through hole, the clamping protrusions are arranged in a circular ring shape, one end of the rotating shaft sequentially penetrates through the outer shell and the through hole and is sleeved with a volute spiral spring, clamping hooks are arranged on the outer side of the volute spiral spring, and one clamping protrusion is selected for the clamping hooks to be buckled. The adjusting mechanism is simple in structure, reliable and durable through combination of the volute spiral spring and the fixing ring, wide-range torque adjustment is achieved in a compact space, energy consumption is reduced, and energy utilization efficiency is improved.

The utility model discloses an intermediate bulk container frame pipe necking device, and belongs to the technical field of intermediate bulk container frame machining. The device mainly comprises a rack; the clamping assembly is provided with two sets of bottom frames suitable for installation; the cleaning assembly comprises at least two groups of dust collection parts, and the dust collection parts are mounted on one group of bottom frames; at least two groups of fixing rods, each fixing rod is rotatably provided with a connecting block, each fixing rod is provided with a volute spiral spring, one end of each volute spiral spring is arranged on the corresponding fixing rod, and the other end of each volute spiral spring is arranged on the corresponding connecting block; the dust collection covers are mounted at one end of the connecting block, and the dust collection covers are connected with the dust collection cover through hoses. According to the ton barrel frame pipe necking device, through the cleaning assembly, the necking die can be cleaned in time, waste is prevented from being accumulated in the necking die, the follow-up production quality is prevented from being influenced, and the effect of cleaning the interior of the die is achieved.