A spring compression device comprises a spring sleeve configured to receive a spring; a spring adjustment member provided on and engaged with the spring sleeve and configured to abut a spring mounted on the spring sleeve, wherein the spring sleeve and spring adjustment member define an operating length (L) of the spring compression device, and the spring adjustment member is configured to be moved relative to the spring sleeve to adjust the operating length of the spring compression device; and at least one blocking component for blocking movement between the spring sleeve and the spring adjustment member.

A spring compression device comprises a spring sleeve configured to receive a spring; a spring adjustment member provided on and engaged with the spring sleeve and configured to abut a spring mounted on the spring sleeve, wherein the spring sleeve and spring adjustment member define an operating length (L) of the spring compression device, and the spring adjustment member is configured to be moved relative to the spring sleeve to adjust the operating length of the spring compression device; and at least one blocking component for blocking movement between the spring sleeve and the spring adjustment member.

The present application relates to the technical field of a wheel, and particularly to a stored energy transmission mechanism and stored energy-driven wheel. In particular, a stored energy transmission mechanism is integrated with a rotating component, which is used to drive the rotating component. The stored energy transmission mechanism includes a center shaft, an elastic component, a transmission cover, a flywheel, and a flywheel seat. The elastic component is sleeved outside the center shaft and positioned in the transmission cover, with one end being fixedly connected with the center shaft and the other end being fixedly connected with the transmission. When the transmission cover is rotated and fitted with the center shaft, it can tighten the elastic component to store energy.

The present application relates to the technical field of a wheel, and particularly to a stored energy transmission mechanism and stored energy-driven wheel. In particular, a stored energy transmission mechanism is integrated with a rotating component, which is used to drive the rotating component. The stored energy transmission mechanism includes a center shaft, an elastic component, a transmission cover, a flywheel, and a flywheel seat. The elastic component is sleeved outside the center shaft and positioned in the transmission cover, with one end being fixedly connected with the center shaft and the other end being fixedly connected with the transmission. When the transmission cover is rotated and fitted with the center shaft, it can tighten the elastic component to store energy.

The elastic motor comprises annular-shaped elastic member, supported by means of a first bracket assembly consisting of a supporting bracket positioned between a first pressing bracket and a second pressing bracket for carrying out the straining of said first elastic member, the brackets being fixed on a base plate, on a circular path according to the projection of the circumference of the elastic member, wherein the distance between the second pressing bracket and the supporting bracket is bigger than the distance between the first pressing bracket and the supporting bracket. The first and the second pressing bracket are provided with some adjusting screws whose rotation determines the translation of a threaded bushing connected with balancers, determining the movement thereof and the straining of said first elastic member and the movement thereof from the second pressing bracket towards the first pressing bracket.

The elastic motor comprises annular-shaped elastic member, supported by means of a first bracket assembly consisting of a supporting bracket positioned between a first pressing bracket and a second pressing bracket for carrying out the straining of said first elastic member, the brackets being fixed on a base plate, on a circular path according to the projection of the circumference of the elastic member, wherein the distance between the second pressing bracket and the supporting bracket is bigger than the distance between the first pressing bracket and the supporting bracket. The first and the second pressing bracket are provided with some adjusting screws whose rotation determines the translation of a threaded bushing connected with balancers, determining the movement thereof and the straining of said first elastic member and the movement thereof from the second pressing bracket towards the first pressing bracket.

The present invention relates to a rotation-type actuator which includes a fiber having a twisted structure, which is manufactured by rotating the fiber in the opposite directions. Here, the fiber is divided into a top portion and a bottom portion with respect to the center thereof, at least one of the top and bottom portions of the fiber is fixed, and the top and bottom portions of the fiber each independently have a coiled shape as a chiral Z-type or chiral S-type structure. The rotation-type actuator has an excellent rotation speed, and also exhibits no significant decrease in rotation speed due to excellent durability and stability even when used for a long period of time. In addition, the rotation-type actuator uses a polymer fiber manufactured through electro spinning alone or using a polymer sheet obtained by aligning the polymer fiber in a single direction, and can efficiently convert heat energy, which is wasted in the air, into mechanical energy without providing a high temperature fluctuation since the rotation-type actuator has reversible, rapid and efficient actuation using persistent temperature gradient supplied from a temperature difference present in surrounding environments. Accordingly, energy harvesting devices, having improved efficiency and excellent service life characteristics in recovering heat energy as electrical energy using the rotation-type actuator, can be provided.

The present invention relates to a rotation-type actuator which includes a fiber having a twisted structure, which is manufactured by rotating the fiber in the opposite directions. Here, the fiber is divided into a top portion and a bottom portion with respect to the center thereof, at least one of the top and bottom portions of the fiber is fixed, and the top and bottom portions of the fiber each independently have a coiled shape as a chiral Z-type or chiral S-type structure. The rotation-type actuator has an excellent rotation speed, and also exhibits no significant decrease in rotation speed due to excellent durability and stability even when used for a long period of time. In addition, the rotation-type actuator uses a polymer fiber manufactured through electro spinning alone or using a polymer sheet obtained by aligning the polymer fiber in a single direction, and can efficiently convert heat energy, which is wasted in the air, into mechanical energy without providing a high temperature fluctuation since the rotation-type actuator has reversible, rapid and efficient actuation using persistent temperature gradient supplied from a temperature difference present in surrounding environments. Accordingly, energy harvesting devices, having improved efficiency and excellent service life characteristics in recovering heat energy as electrical energy using the rotation-type actuator, can be provided.

The present disclosure discloses a nonlinear spring connection structure and a motor. The nonlinear spring connection structure includes a stator, a mover and an elastic connector provided between the stator and the mover. The elastic connector includes a first end connected with the stator, a second end connected with the mover and at least two transition-connecting portions connected between the first end and the second end. The at least two transition-connecting portions extend from the first end towards the second end with sequentially decreasing sizes. An elastic connector is provided between a stator and a mover. In practice, the elastic connector, through deformation of itself, provides a restoring force for the mover during movement, so that the mover can perform a linear movement relative to the stator. In this way, a nonlinear spring connection structure is simpler and manufacturing cost of the nonlinear spring connection structure is reduced.

The present disclosure discloses a nonlinear spring connection structure and a motor. The nonlinear spring connection structure includes a stator, a mover and an elastic connector provided between the stator and the mover. The elastic connector includes a first end connected with the stator, a second end connected with the mover and at least two transition-connecting portions connected between the first end and the second end. The at least two transition-connecting portions extend from the first end towards the second end with sequentially decreasing sizes. An elastic connector is provided between a stator and a mover. In practice, the elastic connector, through deformation of itself, provides a restoring force for the mover during movement, so that the mover can perform a linear movement relative to the stator. In this way, a nonlinear spring connection structure is simpler and manufacturing cost of the nonlinear spring connection structure is reduced.