323 results about "Coil spring" patented technology

The utility model relates to power transmission line anti -bird baffle technical field especially relates to a kind of adjustable anti -bird baffle device for power transmission line. Including base, auxiliary device, the upper surface of base is fixedly connected with electric wire insulator, the upper end of electric wire insulator is fixedly connected with mounting bracket, the upper surface of mounting bracket is provided with adjusting device, adjusting device includes adjusting bracket, adjusting bracket is fixedly connected with the upper surface of mounting bracket by means of auxiliary device, the inner wall of adjusting bracket is fixedly connected with pivot, the upper end of pivot is rotatably connected with rotating frame, the section of rotating frame is in sharp cone shape, the arc surface of adjusting bracket is uniformly fixedly connected with several fixed frames, the inner wall of fixed frame is rotatably connected with baffle body, the section of baffle body is in sector shape, the inner wall both ends of fixed frame are all sleeved with coil spring, the both ends of coil spring are fixedly connected with fixed frame and one end surface of baffle body respectively.The utility model provides a kind of adjustable anti -bird baffle device for power transmission line has the advantage that power transmission line is protected.

This invention relates to the field of factory environmental control technology, and discloses a distributed micro-orifice jet temperature control system and its control method for factory environments. The system includes a central unit, a main air supply duct, branch hoses, workstation-level electromagnetic regulating valves, female quick-connect fittings with leak-proof check valves, and terminal equipment with male quick-connect fittings. The terminal equipment is equipped with a hollow column composed of an outer and inner tube, a telescopic locking mechanism, and low-voltage cables with a helical spring-like extension structure. It also includes an AI controller, an ambient temperature sensor, a body surface temperature sensor, a personnel presence sensor, and a pulse width modulation generator. This invention uses leak-proof check valves to block airflow in vacant workstations to avoid energy loss, utilizes the helical spring-like extension structure to prevent breakage of low-voltage cables, and uses the AI ​​controller to adjust the flow cross-sectional area of ​​the workstation-level electromagnetic regulating valves based on multi-sensor parameters to achieve safe flow interruption and protect personnel at the workstations.

The application discloses a knotting device and a blood vessel ligator. The knotting device comprises a gun body provided with a knotting groove and a knotting mechanism arranged in the knotting groove. The knotting mechanism comprises a spiral spring and an abutting piece abutting against the spring body of the spiral spring. The spiral spring has a hooking and pulling end and an extending end. The extending end is used for controlling the movement of the spring body of the spiral spring. The abutting piece is used for making the spring body of the spiral spring deform and stretch in the movement, so that the spring body of the spiral spring rotates. In the process of the rotation of the spring body of the spiral spring, the thread of the surgical suture hooked by the hooking and pulling end rotates around the surgical suture passing through the spring body of the spiral spring, so that the surgical suture forms a surgical knot. The blood vessel ligator comprises the knotting device. In the blood vessel ligator, the surgical suture can quickly form the surgical knot and the blood vessel can be tightly clamped by only operating the traction piece to pull the extending end of the spiral spring.

This utility model discloses a novel automotive coil spring mounting bracket, belonging to the field of automotive suspension technology. It includes a coil spring and an axle body. Two axle spring seats are symmetrically fixedly connected to the axle body, and studs are fixedly connected to both axle spring seats. Two washers are symmetrically bonded to both ends of the coil spring. A washer is provided on the inner bottom wall of the coil spring, and a washer is provided on the side of one of the washers away from the coil spring. In this utility model, the washers and washer form a mounting bracket, and two sets are symmetrically installed on the upper and lower parts of the coil spring. One set of mounting brackets clamps the coil spring wire and fixes the coil spring to the axle spring seat between the components using studs and nuts. The other set of mounting brackets is fixed to one side of the vehicle body or the axle side using bolts and nuts, thereby effectively improving the overall stability of the device and reducing the risk of the coil spring coming off.

The utility model provides a charging pile swing arm device and a charging pile, the charging pile swing arm device comprises a base, the top surface of the base is provided with a first bearing; the first end of the main shaft is connected with the base, and the main shaft is configured to rotate in the base; the coil spring balancer is connected with the second end of the main shaft, and an abutting structure abutting against the first bearing is arranged at the bottom of the coil spring balancer; and the swing arm is connected with the coil spring balancer, and when the swing arm swings, the coil spring balancer is driven to rotate so as to drive the main shaft to rotate. According to the charging pile swing arm device and the charging pile, the coil spring balancer is arranged at the second end of the main shaft, the coil spring balancer can increase the effective length of the gun line, waste of the length of the gun line is reduced, and the user experience is improved.

The utility model discloses a four connecting rod rear drive integral bridge type suspension structure, including integral drive axle, two upper control arms, two lower control arms, transverse stabilizer bar, two spiral composite springs and frame. Upper control arm and lower control arm are arranged on the both sides of drive axle respectively in symmetry, and are hinged with frame and drive axle respectively, form spatial four connecting rod guiding mechanism, transverse stabilizer bar is along vehicle transverse setting and is connected with drive axle and frame respectively, spiral composite spring sets up between drive axle and frame, and shock absorber is coaxial with spiral spring arrangement. The structure has improved rear axle guiding precision and transverse stability on the basis of reserving integral bridge carrying capacity, has improved braking and turning posture, and has improved ride smoothness and comfort.

This invention suppresses accidental unlocking and improves vehicle anti-theft performance. The handle locking device (20) includes: a rotatable operating knob (26); a connector (27) that rotates integrally with the operating knob (26); a contact bracket (32) that rotates integrally with the connector (27); a positioning mechanism (33) that positions the contact bracket (32); a locking member (38) that moves to the engaged position via the connector (27) by rotating the operating knob (26); and a coil spring (41) that applies force to the locking member (38) to the unengaged position. A rotation limiting part (27d, 40g) is provided between the connector (27) and the locking member (38), which limits the rotation of the connector (27) when the operating knob (26) is in the locked position (22c).

The utility model relates to a kind of anti-theft devices, specifically a kind of automatic take-up eight-claw anti-theft label. The purpose is to provide a kind of automatic take-up eight-claw anti-theft label, the anti-theft label should have the characteristics of convenient operation, simple production, low cost. Technical scheme is automatic take-up eight-claw anti-theft label, including the top cover and base connected by lock rope;The top cover includes shell, rotatable positioning in shell Rotating part, the one-way rotation mechanism of the rotating direction of restricting rotating part, the coil spring of the lock rope of making rotating part gather, the circuit board of electrically connecting lock rope;Its characterized in that: it further includes for preventing rotating part automatic take-up emergency stop mechanism;The emergency stop mechanism includes the pawl set on rotating part, the button for being pressingly positioned in shell side surface for clamping pawl, the torsion spring of making button reset.

A spring, a damping assembly, and an electronic device. The electronic device may include any one of a handheld device, an in-vehicle device, a wearable device, a terminal device or connected to a wireless modem, a cellular phone, a smartphone, a personal digital assistant, a computer, a tablet computer, a laptop, or the like. In embodiments of this application, a cross section of a spring wire is a rectangle. Under a same space condition, a coil spring with a rectangular cross section has a higher rigidity, absorbs more energy, and increases a damping force generated by the damping assembly, thereby improving a hand feeling of a user when folding or unfolding the electronic device. When a same damping force is met, the coil spring with a rectangular cross section occupies a smaller space, which facilitates arrangement of another component of the electronic device.

The application provides a system and method for detecting excess of aircraft components and parts closed area, belonging to the technical field of aircraft detection. The application fixes the product to be detected on a vibration platform, the lower surface of the vibration platform is fixed on the base through a spiral spring, the exciting motor on the base converts rotation into vibration of the vibration platform through a rotating wheel and a connecting rod, a sound signal acquisition device is installed on the product to be detected, and whether excess exists is judged by collecting the sound signal; the application creatively uses the vibration principle to provide a new method for checking excess in the closed area of the aircraft. The detection system uses digitalization and automation technology to realize digitalization and automation of the excess detection of the aircraft, completely changes the manual detection mode of "knocking and listening", significantly improves the accuracy and safety of the excess detection in the closed area of the aircraft parts, and reduces the safety risk and quality risk of the excess detection in the closed area of the aircraft structure.

This utility model discloses an anti-impact protection mechanism for a gangue silo with a buffer structure, relating to the technical field of anti-impact protection mechanisms for gangue silos. The mechanism includes a gangue silo body with controllable gates symmetrically installed on its front and rear sides. The lower end of the gangue silo body is fixedly connected to the anti-impact protection mechanism. In this utility model, a helical spring damper and an elastic wear-resistant layer work together to construct a multi-level buffer system. The elastic wear-resistant layer initially buffers the impact of falling gangue, while the helical spring damper further absorbs and dissipates vibration energy, significantly delaying fatigue damage to the inner side of the silo frame and significantly improving the impact resistance and service life of the silo frame.

This utility model provides a seed coating device for crop seedling cultivation, belonging to the technical field of seed coating devices. The utility model includes a frame rod, with a mixing tank fixedly connected to the outer surface of the frame rod. A stirring rod is rotatably connected to the inner wall of the mixing tank. A servo motor is installed on one side of the bottom of the frame rod, and a pressing device is installed at the top of the output slot. This utility model, by setting up the pressing device, includes two rectangular rods, one side of which is rotatably connected to a shaft. One end of the shaft is equipped with a coil spring. When using the coating device, by pressing the bottom ends of the two pressing rods against the outer top of the packaging bag opening, the two pressing rods restrict the position of the upper bag opening outside the output slot during the seed entry process. This minimizes the risk of the lower bag opening sagging, causing the coated seeds to escape from the outside of the packaging bag, thus affecting the bagging efficiency.

The utility model discloses a hand function exercise device relates to hand exercise device technical field, including support plate, and the bottom of support plate is provided with fixed establishment, and support plate is provided with tensioning mechanism, and tensioning mechanism includes moving plate, and moving plate fixedly connected in the one side of support plate away from fixed establishment, and the threaded connection of adjusting bolt has on moving plate, and the threaded connection has horizontal plate at the top of adjusting bolt, and the limit slot is seted up on support plate, and moving plate is fixedly connected on support plate through the bolt across limit slot. Advantageous effects lie in: the vertical height of limiting plate can be adjusted when the adjusting bolt of the device rotates, and the stretching stroke of main spring is changed, so that the resistance size when other four fingers are in the grip action is adjusted to exercise the initiative function of hand; press the side of horizontal plate away from main spring, and the other side of horizontal plate will rise, so as to drive the finger of the front finger sleeve to rise, and the coil spring in the rotating shaft will reset after the horizontal plate is loosened, thereby the passive function exercise of hand is carried out.

The utility model relates to the field of automatic equipment for sleeve processing, concretely relates to a kind of automatic equipment for copper pipe coil spring processing, including workbench, and the workbench includes copper pipe material taking device, copper pipe fixing device and coil spring assembly device;The coil spring assembly device side is equipped with coil spring feeding table and coil spring feeding track, and the coil spring assembly device two sides are also respectively equipped with first pusher and second pusher, and the coil spring assembly device can be fixedly connected on rotating table, and the coil spring assembly device includes fixed base and the material taking component slidable installed on fixed base;By the coil spring assembly device can be fixedly connected on rotating table, using coil spring assembly device rotation mode, first pusher and second pusher complete coil spring material taking and realize the assembly of coil spring copper pipe, reduce the process while improving assembly efficiency.

This utility model relates to the field of anti-collision mechanisms, and more particularly to an anti-collision structure for a hydraulic excavator platform. The technical solution includes a protective component, which includes a sliding rod that slides inside the excavator turntable. The end of the sliding rod has a chamfer. Positioning components are provided inside the excavator turntable on both the upper and lower sides of the sliding rod. A transverse helical spring is fixedly installed at the end of the sliding rod. This utility model uses positioning blocks to lock the sliding rod between the transverse helical spring and the pressure block, preventing the anti-collision barrier from vibrating and displacing during the operation of the excavator turntable. Displacement occurs when the impact force on the anti-collision barrier exceeds the resistance of the sliding rod to the movement of multiple longitudinal helical springs. This avoids excessive impact force on the anti-collision barrier, which could lead to deformation and prevent it from properly performing its buffering and energy-absorbing functions, thus reducing maintenance costs.

This utility model discloses a vibratory centrifugal walnut shell and kernel separation device, including a vibratory loosening structure. A centrifugal separation structure is located at the lower part of the vibratory loosening structure. The vibratory loosening structure includes a feed cylinder, a first guide plate, a vibrating motor, an annular support, a guide rod, a limiting block, a movable block, a through hole, and a helical spring. The centrifugal separation structure includes a centrifugal shell, a collection trough, a second guide plate, a first rotating shaft, a transmission box, a retainer, a motor, a second rotating shaft, a first pulley, a second pulley, and a third pulley. A protective structure is installed on the outer wall of the transmission box. This vibratory centrifugal walnut shell and kernel separation device first loosens the shells and kernels through vibration to prevent them from sticking together during centrifugation, and then facilitates the separation of the shells and kernels during walnut processing.

The purpose of the present invention is to provide a compact safety brake for a railway vehicle. A safety brake (100) for a railway vehicle according to the present disclosure is provided with: a braking shaft (1) in at least part of which screw thread is formed; a braking unit (2) for holding the braking shaft (1) at a predetermined angle of rotation if rotation of a wheel (29) of the railway vehicle is not decelerated, and relaxing the hold on the braking shaft (1) if rotation of the wheel (29) is decelerated; a first support section (10) for rotatably supporting the braking shaft (1); a braking coil spring (19) for pressing the first support section (10) if rotation of the wheel (29) is not decelerated; a second support section (14) for supporting the braking coil spring (19) at a position facing the first support section (10); and a linear motion unit (17) that is contained in the braking coil spring (19) and is in contact with the screw thread of the braking shaft (1), and is connected to the second support section (14) and causes the second support section (14) to move rectilinearly toward the wheel (29) to decelerate rotation of the wheel (29).

The invention relates to the field of nuclear fuel element manufacturing, in particular to a material boat in-place sensor and a high-temperature continuous sintering furnace. According to the material boat in-place sensor, a spiral spring and a probe piston are arranged in a shell, one end of a contact probe is located in the shell, and the other end of the contact probe penetrates out of the shell; the probe piston slides in the shell and is in contact with the probe piston when sliding to the end part; a piston rod of the probe piston is sleeved with the spiral spring, the tail cover is screwed on the shell through threads, a through hole is formed in the center of the tail cover, and hole threads are arranged on the inner side of the through hole. The pre-tightening nut is assembled on a hole thread on one side of the tail cover, the depth of the pre-tightening nut is adjusted through the thread, and then the initial elastic force of the spiral spring is adjusted. The contact type sensor is assembled on a hole thread on the other side of the tail cover; after the contact probe is triggered, the contact probe moves towards the probe piston and contacts with the probe piston, the spiral spring is compressed, the probe piston is pushed towards the direction of the contact type sensor, and then the contact type sensor is started to generate a control signal. And the material boat in-place sensor is integrally sealed. The material boat in-place sensor is arranged outside the sintering furnace, the real position of the material boat in the sintering furnace can be directly measured, the problem of false triggering of non-contact detection caused by environment change in the furnace is avoided, online maintenance and setting can be conducted outside, and the reliability of long-period operation of the material boat in-place sensor is guaranteed.

This invention provides an automatic glass rod sintering feeder. The lower ends of each glass rod are sequentially inserted from top to bottom into the guide holes of the guide plate. A horizontal / vertical lever is activated to push the clamping slider to compress the helical spring, causing the clamping fork of the clamping slider to retract. Then, the upper ends of the glass rods are inserted from bottom to top into the guide holes of the mother plate, the gap between the guide groove of the clamping plate and the clamping fork of the clamping slider. The horizontal / vertical lever is released, the helical spring rebounds, and the clamping fork of the clamping slider is pushed forward to clamp the glass rod. The main unit is moved laterally to directly above the sintering furnace, and then the back plate is moved down to the lower end of the main unit. The slide block is pushed downwards at a set speed, driving each glass rod through the guide holes of the guide plate to the designated position in the sintering furnace. After feeding is completed, each component returns to its initial position sequentially. The two stations synchronously and alternately perform the clamping and feeding of the glass rods. This invention features convenient operation, high automation, precise control, batch operation, and high work efficiency.

This utility model relates to the field of deaerator technology, and more particularly to a vehicle-mounted deaerator. It includes a deaerator body, with a vent pipe fixedly connected to its upper surface. An inspection door is installed on one side of the deaerator body. An adjustment device is provided on the side of the vent pipe away from the deaerator body. The adjustment device includes a fixing ring, which is fixedly connected to one side of the vent pipe. A connecting rod is fixedly connected to both sides of the inner wall of the fixing ring. A connecting block is rotatably connected to the arc surface of the connecting rod, and coil springs are slidably connected to both ends of the arc surface of the connecting rod. The vehicle-mounted deaerator provided by this utility model has the advantage that, when the vent pipe is not in use, the opening of the vent pipe can be protected by the adjustment device, thereby preventing foreign objects from entering the deaerator body and causing blockage, thus affecting the ventilation effect of the vent pipe.

The goal is to obtain an actuator, safety device, and aircraft that are simpler in configuration and lighter than conventional designs. [Solution] The actuator 1 comprises an igniter 2, a piston 3 extending in one axis direction, a cylindrical housing 5 that restricts the direction of propulsion of the piston 3, a holder 6 that holds the igniter 2, a lid 7 provided at one end of the housing 5, a coil spring 8 provided inside the piston 3, and a locking member 9 provided between the lid 7 and the coil spring 8. The locking member 9 is provided between the lid 7 and the coil spring 8 and has a locking portion on the side wall that, in the initial state, is pushed toward the lid 7 by the coil spring 8 which is biased or compressed in the axial direction of the housing 5, and locks into a hole 5b formed in the side wall of the housing 5. The locking portion has a cantilevered beam portion 9a and a projection 9b provided on the outer surface side of the cantilevered beam portion 9a, which tapers radially from one end to the other.

The application discloses a large-span prestressed steel structure energy dissipation and vibration reduction self-resetting cable device, which comprises a baffle arranged on the left and right sides, a cable penetrating through the baffles, a cushion block and an anchor for anchoring the cable, a steel pull rod penetrating through the left and right baffles in sequence, a cushion plate welded at the two ends of the steel pull rod, a steel strand penetrating through the center of the steel pull rod, a second anchor for anchoring the steel strand, a spiral spring nested outside the steel pull rod and welded at the inner sides of the left and right baffles at the two ends, respectively, an upper dislocation plate welded at the inner side of the left baffle, a lower dislocation plate welded at the inner side of the right baffle, an energy dissipation device penetrating through upper and lower strip-shaped bolt holes in sequence, wherein the energy dissipation device comprises a screw rod, upper and lower nuts and upper and lower friction gaskets, and further comprises a friction energy dissipation block embedded between the upper and lower dislocation plates and a stopper for preventing the friction energy dissipation block from falling off; the device can realize energy dissipation and vibration reduction through the tensile and compressive deformation of the spiral spring and the relative sliding of the upper and lower dislocation plates, and can realize the self-resetting function through the steel strand in the steel pull rod and the spiral spring.

This invention relates to a torque limiter comprising a first component, a second component, a helical spring, and a positioning component, wherein the first component, the second component, the helical spring, and the positioning component are coaxially arranged along the same axis. According to the invention, the helical spring has a spring body and a first end and a second end extending from the spring body along the axial direction, wherein the spring body is wound on at least a portion of the outer peripheral surface of the first component, and the positioning component is connected to the second component and thereby forms a receiving space accommodating the helical spring and at least a portion of the first component, such that when the second component applies a tangential force relative to the axis at the first end, the first component can rotate in a first direction, and when the positioning component applies a tangential force relative to the axis at the second end, the first component can rotate in the opposite second direction. Also related is a flip-top lid machine and a toilet with a torque limiter.

This utility model discloses an electrical cable rewinding mechanism, belonging to the field of electrical equipment technology. The electrical cable rewinding mechanism includes a U-shaped base, with a base fixedly connected to the inner wall of the bottom of the U-shaped base. An opening slot is provided on the top of the base, and a winding post is fixedly connected to the bottom of the opening slot. A winding disc is provided above the base, and the winding disc is rotatably connected to the outer periphery of the winding post through a bearing. A coil spring is provided in the opening slot, with the inner end of the coil spring fixedly connected to the outer periphery of the winding post and the outer end of the coil spring fixedly connected to the bottom of the winding disc. It can automatically rewind and unwind cables by using the coil spring in conjunction with the winding post and the winding disc, effectively solving the problems of low efficiency, easy tangling and damage of cables in traditional cable rewinding methods. At the same time, it avoids safety hazards such as tripping caused by disorderly placement of cables, and improves the ease of operation and safety of electrical equipment in frequently moving scenarios.

This utility model belongs to the field of fitness equipment testing technology, specifically relating to a fitness equipment installation stability testing device. It includes a base, a laser level body mounted on the top of the base, a laser emitting part located near the top of the laser level body on its outer side, a connecting plate fixedly mounted at the center of the bottom of the base, and connecting sleeves symmetrically fixedly mounted at the bottom of the connecting plate. A cleaning frame is rotatably connected inside the connecting sleeve, extending beyond the outside of the connecting sleeve. A coil spring is located at the center of the inside of the connecting sleeve. This utility model uses a rotating cleaning frame and cleaning roller to clean dust and debris from the location where the support leg is to be placed, reducing the probability of the level tilting due to debris, making the level test results more accurate, reducing testing errors, and eliminating the need for special site cleaning before testing, thus making testing easier and improving efficiency.

This utility model discloses a shock absorber assembly with adjustable length preload and stiffness, belonging to the field of automotive suspension. The assembly includes a lower bushing, a lower shock absorber core assembly, a lower support plate for the coil spring, a variable stiffness coil spring, a buffer block, an upper pressure plate for the coil spring, a nut, a piston rod, a nut gasket, a lower support washer for the gasket, a sleeve, a sleeve fixing nut, an upper fixing washer for the gasket, a locking nut, and a damping gasket. By adjusting the position of the upper pressure plate for the coil spring and related nuts on the piston rod, the stiffness and preload of the shock absorber can be adjusted; by adjusting the position of the nut gasket and the sleeve fixing nut, the overall installation length of the shock absorber assembly can be adjusted. This utility model can quickly adapt to the suspension parameter requirements of different vehicle models and configurations, shorten the debugging cycle, reduce costs, and improve the reusability of prototypes.