47results about "Leaf springs" patented technology

This suppresses buckling during structural deformation while limiting the overall increase in the weight of the structure. [Solution] The structure comprises a first elastic member extending linearly along a predetermined direction, and a second elastic member extending curvedly along a predetermined direction and having a plurality of joints joined to the first elastic member at intervals along the predetermined direction. Furthermore, the structure comprises a reinforcing member formed of a material with a lower mass density than the second elastic member and joined to the first or second surface of the second elastic member. When a pressing force is applied to the non-joint portion, which is the portion between two adjacent joints of the second elastic member, and the non-joint corresponding portion, which is the portion of the reinforcing member corresponding to the non-joint portion, in a direction that brings the structure closer to the first elastic member, compressive stress in a predetermined direction is generated in the second elastic member and the reinforcing member, accompanied by bending deformation of the non-joint portion and the non-joint corresponding portion, and tensile stress in a predetermined direction is generated in the first elastic member.

This invention discloses a method for preparing a composite vibration damper consisting of a high-pressure-bearing sintered metal fiber body and a metal plate, belonging to the technical field of composite vibration dampers. By controlling factors such as the diameter, porosity, and thickness of stainless steel fibers, and through high-temperature sintering and pressure forming, this invention obtains a stable, high-compressive-strength stainless steel felt sintered body (SFB). The metal plate is then combined with the SFB to fully utilize the vibration damping energy of the SFB, resulting in a high-pressure-bearing metal fiber vibration damper. This vibration damper exhibits high compressive strength and excellent vibration damping performance, and also possesses characteristics such as corrosion resistance, high-temperature resistance, machinability, and strong environmental adaptability.

Multi-layer composite suspension (100) for a vehicle, the suspension comprising: a first mounting unit (200) attached to a rubber spring (10); a second mounting unit (300) attached to a center bolt receptacle (20); and a plurality of composite springs (100) coupled to the first mounting unit (200) and the second mounting unit (300) at opposite ends and spaced perpendicularly apart from each other, the composite springs (100) comprising an upper spring (110) and a lower spring (120), the first mounting unit (200) comprising: a first upper mount (210) coupled to a first end section of the upper spring (110);and a first lower bracket (220) connected to a lower section of the first upper bracket (210) so that it is coupled to a first end section of the lower spring (120), and the second bracket unit (300) comprising: a second upper bracket (310) coupled to a second end section of the upper spring (110); and a second lower bracket (320) coupled to a second end section of the lower spring (120).

A leaf spring hanger for a vehicle, comprising an upper bracket adapted to be pivotally connected to a distal end of a leaf spring, a lower bracket adapted to be pivotally connected to a frame member of the vehicle, and a linear damper located between the upper bracket and the lower bracket, and wherein the upper bracket and the lower bracket are pivotally connected to each other, and the linear damper is adapted to dampen the pivotal movement of the upper bracket relative to the lower bracket.

The utility model relates to the technical field of plate spring, especially a semi-trailer plate spring anti -drop device, including the plate spring piece of multiple pieces of stacking placement, the both sides of multiple plate spring piece all are equipped with the limit slot. The utility model has the advantages of: the limit frame sliding installation is in the both sides position of plate spring piece, and two first fasteners fix and connect the bottom plate with multiple plate spring pieces, and two U -shaped bolts are placed in the outer wall of limit frame, bottom plate, upper clamping seat and lower clamping seat, and then the upper clamping seat and lower clamping seat are clamped on the external frame, and are locked using U -shaped bolt, transverse plate and locking nut, on one hand, the limit frame is stably installed on the outer wall of multiple plate spring pieces, on the other hand, cooperate with two first fasteners, thereby complete the stable connection to multiple plate spring pieces, improve the stability after plate spring piece installation, the limit sleeve avoids the loosening of first fastener, thereby avoids the drop phenomenon of plate spring piece, and effectively solves the problems existing in the prior art.

To provide a vibration damping device that allows for fine adjustment of the fixing position of the leaf spring. [Solution] A vibration damping device for damping vertical vibrations of a building floor, comprising: a base plate; a weight member provided on the base plate so as to be displaceable in the vertical direction; a damping element that provides a damping force to the vertical vibration of the weight member; a leaf spring disposed in the gap between the base plate and the weight member and biasing the weight member upward; a fixing means for fixing the leaf spring to the base plate; and a positioning means for positioning the leaf spring relative to the base plate, wherein the fixing means can adjust the fixing position of the leaf spring steplessly within a predetermined adjustment range, and the positioning means can position the position of the leaf spring relative to the base plate in steps within the predetermined adjustment range.

The invention relates to a tuned mass damper or vibration damper which, with the aid of an assembly (2) of a plurality of stacked, specially shaped or bent leaf springs (2.1), can be adapted over a certain range to the disturbance frequencies acting on a component to be damped or of the vibration system to be damped, the position of the damper mass (1, 34) being changed essentially only slightly. The invention relates in particular to one- and two-dimensionally effective tuned mass dampers. The tuned mass dampers according to the invention are suitable in particular for installations, vehicles and machines that undergo frequent changes in rotational speed, resulting frequently in disturbance frequencies that become noticeable, in particular, in the form of structure-borne sound, or other vibrations.

To provide a spring member metal foil which offers suppressed variation in width in a thickness direction of a spring member formed therefrom, and to provide a method of manufacturing the same and an electronic device spring member.SOLUTION: A spring member metal foil 10 provided herein has a first area 10R1 having a square shape with a side of 300 mm for forming a spring member. In the first area 10R1, a difference value obtained by subtracting a variance of thickness T thereof in a width direction DW perpendicular to a rolling direction DR from a variance of the thickness T in the rolling direction DR is 0.15 μm2 or less in absolute terms.SELECTED DRAWING: Figure 1

Disclosed is a battery module, which includes a plurality of battery cells disposed to face each other and arranged side by side at least in a first direction, a module cover configured to accommodate the plurality of battery cells and formed to have at least one open side, and a pair of buffering members located between one side of a battery cell located at an outermost side in the first direction among the plurality of battery cells and a side of the module cover so that at least a part thereof is in contact with the sides of the battery cells and the module cover, respectively, wherein the buffering member is a leaf spring having at least one bent portion.

This invention relates to a leaf spring elastic support for a balance suspension, comprising an upper mounting base and a lower mounting base, which are longitudinally fitted together. A spring mounting position is provided circumferentially on the upper mounting base, with the spring portion mounted vertically within the mounting position. The upper mounting base is fixed to a pre-tightened frame via an intermediate connecting part to provide vertical vibration damping. The vertical mounting of the spring portion, combined with the special structures of the upper and lower mounting bases, such as conical mounting surfaces and cylindrical support structures, effectively resists horizontal forces and tensile forces, preventing performance degradation or failure of the support under complex stress environments. Simultaneously, this design enhances the structural strength of the support and extends its service life.

An energy converter for converting rotational energy to mechanical strain energy in flat spiral springs, the converter unit including: an axle for operatively mounting a plurality of spiral springs having inner ends and outer ends; at least a first and second spiral spring module, each module including one or more spiral springs operatively mounted at each inner end to the axle, one or more of the springs in each of the spiral spring modules having their outer ends operatively connected together with a link extending between the first and second spiral spring modules, wherein the arrangement of radial spiral windings in the first and second spiral spring modules are substantially reflected or mirrored across a plane disposed between the first and second spiral spring modules.

The application discloses a transverse steel plate spring structure and relates to the technical field of vehicle engineering. The transverse steel plate spring structure comprises a front suspension, two wheels and a transverse plate spring. Opposite sides of the two wheels are respectively provided with control arms. The transverse plate spring is arranged between the two control arms. The middle part of the transverse plate spring is arranged on the front suspension. A rubber elastic pad is arranged between the transverse plate spring and the front suspension. The rubber elastic pad is formed with a hollow cavity with two openings. The transverse plate spring moves up and down when subjected to force. The transverse plate spring moves from top to bottom, so that the hollow cavity is gradually closed. The rubber elastic pad with two openings is arranged between the transverse plate spring and the front suspension. The non-linear and gradual change of the suspension stiffness is realized by using the hollow cavity formed in the rubber elastic pad.

The present invention belongs to the technical field of low-frequency vibration control, provides a low-frequency tuned mass damping device with reverse-stretched compression springs. The device fully realizes large compression deformation and reverse stretching deformation of the springs within a limited vertical space by performing supercompression-reverse stretching treatment on the compression springs, achieving lower stiffness required by the vibrating system, and can realize low-frequency tuning within the limited vertical space of the main beam of the bridge, greatly expanding the frequency application range of the tuned mass device. Meanwhile, the device avoids the stability problem faced by the traditional compression spring tuned mass placed on the springs and the problem of excessive damping and instability caused by the increase of guiding members as a result. The device can be applied to the control of various types of low-frequency vibration in vertical, lateral and torsional directions of various engineering structures.

The application discloses a spring and safety tongs, the spring comprises a spring body, the spring body is integrally formed and sequentially fixedly connected with a positive pressure part, a side abutting part and a limiting part; the safety tongs comprises a tongs body integrally formed, a top plate, a bottom plate and a first side plate, and a first space for accommodating the spring body is formed between the top plate, the bottom plate and the first side plate; the safety tongs further comprises a clamping device, the clamping device comprises a first clamping assembly and a second clamping assembly which are respectively arranged on two sides of an elevator guide rail, the first clamping assembly is connected with the spring body, and the second clamping assembly is moved by a lifting assembly to be close to the first clamping assembly for clamping the elevator guide rail; the spring provided by the application is more stable in use, the integrally formed structure increases the strength of the spring body, compared with a disc spring, the force value of the spring is stable, repeated adjustment is not needed, the occupied space in the tongs body is small, so that material and cost can be saved, and the spring is suitable for batch production.

This invention provides a rapid modeling method and terminal for variable cross-section leaf springs used in light trucks, relating to the field of light truck technology. The method involves calculating the geometric contours of each leaf spring in its extended state, selecting sample points at equal intervals along the length of each leaf spring in its extended state, and calculating the sample point data including coordinates and thickness. The method then calculates the geometric contours of each leaf spring in its free state. Based on the free state of each leaf spring, sample points are reselected, and corresponding sample point data is obtained through interpolation and exported. A leaf spring modeling file and an assembly parameter file are created. The sample point data of each leaf spring in its free state are imported into the leaf spring modeling file, and the leaf spring assembly parameters are imported into the assembly parameter file. The leaf spring toolbox is run to generate the leaf spring model, defining the leaf spring lugs and material properties to create the leaf spring model. This method uses a procedural approach, which can quickly and accurately calculate the sample point data of the variable cross-section leaf spring, improving the efficiency of leaf spring modeling and the accuracy of model creation.

The invention relates to a plastics spring (11) for use in a pump dispenser (13) comprising a first spring element (15a) and a second spring element (15b), which can be pushed one into the other axially from a basic position, the spring force being generated in that, when the two spring elements (15a, 15b) are pushed one into the other axially, the first and the second spring element (15, 17) elastically deform. The first and the second spring element (15a, 15b) have a respective horizontal holding element (17a, 17b). An equal plurality of spring feet (19) protrude from each holding element (17a, 17b), which spring feet (19) have a curvature and an open end (21).

Described is an energy converter for converting rotational energy to mechanical strain energy in flat spiral springs, the converter unit including: an axle for operatively mounting a plurality of spiral springs having inner ends and outer ends; at least a first and second spiral spring module, each module including one or more spiral springs operatively mounted at each inner end to the axle, one or more of the springs in each of the spiral spring modules having their outer ends operatively connected together with a link extending between the first and second spiral spring modules, wherein the arrangement of radial spiral windings in the first and second spiral spring modules are substantially reflected or mirrored across a plane disposed between the first and second spiral spring modules.

The application relates to the technical field of spring components, in particular to a combined spring component capable of adjusting pre-tightening force, which comprises a main body frame, an elastic unit group and an adjusting assembly. The elastic unit group is composed of a plurality of elastic units with increasing rigidity in series connection, and the adjusting assembly comprises an adjusting screw rod, an adjusting sleeve and a driving mechanism. The adjusting screw rod is axially moved by rotating a hand wheel, the adjusting sleeve is displaced along a guide groove, and a pressing block exerts pressure on the elastic unit group to realize phased adjustment of the pre-tightening force. The bottom of the main body frame is provided with a mounting base, so that the combined spring component is convenient to fix and adapt to different environments. The application can quickly and conveniently adjust the spring pre-tightening force, improves flexibility and adaptability, and has high practical value.

The application discloses a square buffer and relates to the technical field of buffers. The square buffer comprises a tail, a shell and a tension spring. The left end of the buffer is provided with the tail. The right end of the tail is fixedly screwed with the shell. The left inner wall of the shell is fixedly screwed with the tension spring. The right end of the tension spring extends to the right end outside of the shell. The application realizes the accurate controllability of breaking force and the decoupling of structure and function through the synergistic effect of the axial compression deformation of the wave-shaped tension spring and the controllable fracture of the connecting point. The connecting point serves as the only preset weak link, so that the energy absorption curve of the buffering process has the double-stage characteristics. The initial stage is provided with the force relief effect generated by the fracture of the connecting point. The subsequent stage is provided with the linear buffering for releasing the residual energy by the wave-shaped tension spring. The breaking force of the connecting point is stably fallen in the interval of 12-14 kN. The shell is integrally formed, so that the assembly process of multiple components is omitted, and the machining and assembly costs are remarkably reduced.

The spring member (1, 2, 3) has a conduction plate (11) formed of a material having at least one of electrical conductivity and thermal conductivity higher than a material forming a support plate (12), the support plate being formed of a material having a Young's modulus higher than a material forming the conduction plate, in the conduction plate, a first abutting portion (13) abutting against a first push body (W1) is formed at both ends in a second direction (X), and a second abutting portion (14) abutting against a second push body (W2) is formed at a middle portion in the second direction, in the support plate, both ends in the second direction of the conduction plate are respectively clamped at both ends in the second direction, and a third abutting portion (15) abutting against the second abutting portion and sandwiching the second abutting portion between the second push body in a first direction (Z) is formed at a middle portion in the second direction.

This structure comprises a first elastic member that extends linearly along a prescribed direction, and a second elastic member that extends in a curved shape along the prescribed direction and has a plurality of joining parts joined to the first elastic member at intervals along the prescribed direction. The structure further comprises a reinforcing member that is formed of a material having a lower mass density than the second elastic member and that is joined to a first surface or a second surface of the second elastic member. In the structure, when a pressing force in a direction toward the first elastic member is applied to a non-joining part, which is a portion between two adjacent joining parts of the second elastic member, and a non-joining corresponding part, which is a portion corresponding to the non-joining part of the reinforcing member, compressive stress in the prescribed direction is generated in the second elastic member and the reinforcing member and tensile stress in the prescribed direction is generated in the first elastic member along with bending deformation of the non-joining part and the non-joining corresponding part.

This suppresses buckling during structural deformation while limiting the overall increase in the weight of the structure. [Solution] The structure comprises a first elastic member extending linearly along a predetermined direction, and a second elastic member extending curvedly along a predetermined direction and having a plurality of joints joined to the first elastic member at intervals along the predetermined direction. Furthermore, the structure comprises a reinforcing member formed of a material with a lower mass density than the second elastic member and joined to the first or second surface of the second elastic member. When a pressing force is applied to the non-joint portion, which is the portion between two adjacent joints of the second elastic member, and the non-joint corresponding portion, which is the portion of the reinforcing member corresponding to the non-joint portion, in a direction that brings the structure closer to the first elastic member, compressive stress in a predetermined direction is generated in the second elastic member and the reinforcing member, accompanied by bending deformation of the non-joint portion and the non-joint corresponding portion, and tensile stress in a predetermined direction is generated in the first elastic member.

To provide a metal foil for a spring member, a method for manufacturing a metal foil for a spring member, and a spring member for an electronic device capable of inhibiting variation in width in a thickness direction in the spring member formed of the metal foil.SOLUTION: A metal foil 10 for a spring member has a square shape with a length of each side being 300 mm, and is provided with a first region 10R1 to be formed with the spring member. In the first region 10R1, an absolute value of a difference value obtained by subtracting a thickness T variance in a width direction orthogonal to a rolling direction from a thickness T variation in the rolling direction, is 0.15 μm2 or less. In the first region 10R1, the absolute value of the difference value obtained by subtracting a second maximum value from a first maximum value is 0.8 μm or less.SELECTED DRAWING: Figure 1