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259 results about "Elastic distortion" patented technology

Electrically conductive contact pin

The present invention relates to an electrically conductive contact pin provided with an elastic portion, wherein the elastic portion includes: a plurality of straight portions; and a plurality of curved portions connecting the straight portions adjacent to each other above and below, and further includes a slit portion for dividing the curved portions into split beam portions, a stopper for limiting an elastic deformation position, or a groove portion for forming a cut portion on the inner surface of the curved portions. The purpose of the present invention is to improve the inspection reliability of an inspection object and to prevent damage to the inspection object by facilitating elastic deformation.
Owner:POINT ENG

Elastic anti-backlash variable aperture structure and photographic equipment

The invention relates to an aperture structure, in particular to an elastic anti-backlash variable aperture structure and photographic equipment, which comprises a fixing assembly, the fixing assembly is provided with a turntable and an aperture blade, the aperture blade is driven between the turntable and the fixing assembly through a guide structure, and the fixing assembly is provided with an elastic deformation piece. The elastic deformation part abuts against the fixing assembly and the aperture blade so as to limit the rotation position of the aperture blade. The elastic deformation piece is installed on the fixing assembly, the elastic deformation piece abuts against the aperture blade, the rotation position of the aperture blade is limited, the aperture blade is kept in the pressed state in the direction of the acting force under the influence of the elastic acting force of abutting contact, and therefore the aperture blade cannot shake easily at the position of the installation gap; therefore, the movement of the aperture blade can become more stable, noise generated by gap friction collision is reduced, abrasion to the mounting position is reduced, and the aperture adjustment precision is guaranteed, so that the quality of photographing output of photographic equipment is guaranteed, and convenience is brought to a user.
Owner:FOSHAN BAIRUI OPTOELECTRONICS TECH CO LTD

Fixation structure

To reduce the number of components and the number of fixation manhours for fixing an object component to a mating member.SOLUTION: A fixation structure is a structure for pressing and fixing a core 2 onto a heat sink 1 by a pressing member 3. The heat sink 1 includes engaged parts 11 with which engaging parts 32 can engage. The pressing member 3 includes: the engaging parts 32; elastic deformation parts 32a that are elastically deformed through the engagement of the engaging parts 32 with the engaged parts 11 to exhibit deformation reaction force; and first pressing parts 33 that come into contact with the core 2 to press the core 2 in a direction different from a direction toward the heat sink 1. The pressing member 3 is configured to press the core 2 on the heat sink 1 by being pressed against the core 2 through the deformation reaction force. The first pressing parts 33 are disposed so that the at least two first pressing parts 33 face to each other while sandwiching the core 2.SELECTED DRAWING: Figure 1
Owner:AISAN IND CO LTD

Screen mesh tensioning device of vibrating screen

The utility model provides a vibrating screen mesh tensioning device which comprises a tensioning beam which is formed by modularly welding a preformed flange plate, a seat plate, a hollow rectangular pipe and a guide plate. The flange plates are welded to the two ends of the hollow rectangular pipe respectively, the base plate is perpendicularly fixed to the surface of the hollow rectangular pipe and integrally welded to the material guide plate, and the flange plates are detachably connected with side plates of the vibrating screen. The multiple elastic tensioning assemblies are sequentially arranged on the tensioning beam in the extending direction of the tensioning beam. The elastic tensioning assembly comprises an elastic body and a tension adjusting assembly, the tension adjusting assembly is connected with a screen mesh of the vibrating screen, and adjustable tensioning force is generated by compressing the elastic body so as to fix the screen mesh. According to the structure, the dynamic load and energy consumption of the screen body can be remarkably reduced, and light weight is achieved while the bearing capacity is guaranteed. The tensioning force is dynamically adjusted by compressing the elastic body, so that the screen is always in an elastic deformation range, looseness caused by plastic deformation is avoided, and the screen is more stable.
Owner:廊坊德基机械科技有限公司

Method and device for acquiring thickness of oil film of sliding bearing

The invention provides a sliding bearing oil film thickness obtaining method and device, and the method comprises the steps: building a micro-contact roughness model of a sliding bearing, and obtaining the contact pressure and contact area of a shaft of the bearing and a bearing bush rough peak according to the micro-contact roughness model; establishing a wear model of the sliding bearing, and obtaining the wear depth hw of the sliding bearing according to the wear model, the contact pressure and the contact area; obtaining the elastic deformation hE of the sliding bearing; according to the included angle between the axis of the sliding bearing journal and the center line of the bearing and the included angle between the circle center connecting line of the front and rear end faces of the journal and the center connecting line of the bearing and the journal, the journal inclination h '0 is obtained; and obtaining the thickness h of the oil film of the sliding bearing according to hw, he and h '0. According to the method, the influence of factors such as abrasion, elastic deformation and journal inclination in the working process of the bearing on the oil film thickness is fully considered, the oil film thickness of the sliding bearing can be accurately calculated and monitored, a theoretical basis is provided for design of the sliding bearing, and reliable operation of the bearing is guaranteed.
Owner:YIXING HUANYU BEARING BUSH MFG CO LTD

Anti-blocking screening net face structure for screening gravel

The utility model discloses an anti-blocking screening mesh surface structure for screening gravel. The anti-blocking screening mesh surface structure comprises a screening surface with screening holes; hole adjusting bulges are arranged on the axial outer surfaces of the rolling rods, and the rolling rods correspond to the sieve holes which are longitudinally distributed in the same row on the sieve surface; the vibrating screen further comprises a mounting frame with mounting grooves, and the left side and the right side of the screen face are mounted in the mounting grooves of the mounting frame through elastic pieces capable of generating elastic deformation. When the screen holes are blocked by blocking objects, the side edges, away from the screen face, of the electric telescopic rod A and the electric telescopic rod B do not clamp the screen face any more, the screen face is supported in the mounting frame through the elastic pieces, rolling rods rotate to drive hole adjusting protrusions to jack up the blocking objects, the screen face is buffered through the elastic pieces at the moment, and the situation that the blocking objects are jacked up by the hole adjusting protrusions excessively rigidly, and the screen face is damaged is avoided. The problem that in the jacking process of a fixing rod, excessive hard jacking is likely to be generated on a screen, and consequently damage is caused is solved.
Owner:CHINA WATER CONSERVANCY & HYDROPOWER NO 9 ENG BUREAU CO LTD

Method, device and equipment for solving motion response of circular openwork elastic structure

This application discloses a method, apparatus, and device for solving the motion response of a circular permeable elastic structure. The method includes: determining the permeability effect, elastic deformation, and coupling equation of fluid motion in the fluid domain of the circular permeable elastic structure; determining the velocity potential of the outer and inner regions of the circular permeable elastic structure; constructing the vertical displacement equation of the circular permeable elastic structure with the vertical coordinates at zero; obtaining the modal eigenvalues ​​of the outer region velocity potential through the outer region velocity potential, and obtaining the modal eigenvalues ​​of the inner region velocity potential through the inner region velocity potential and the coupling equation, which are used as the modal eigenvalues ​​in the vertical displacement equation; and solving for the modal amplitude in the vertical displacement equation. Thus, the vertical displacement of the circular permeable elastic structure can be quantitatively output, providing data support for the vibration control of thin-film floating photovoltaic platforms.
Owner:CHINA COMM CONSTR FIRST HARBOR CONSULTANTS +1

Ventilation member

Provided is a ventilation member that is suitable for improving the ease of elastic deformation of an insertion part when the insertion part is inserted into an opening of a housing. This ventilation member (10) is provided with a support body (4a) and a ventilation membrane (2). The support body (4a) includes a base portion (11) and a leg portion (12) that support the ventilation membrane (2). The leg part (12) has a plurality of insertion parts (21) and claw parts (23). In a plane (A) orthogonal to the central axis (O) of the support body (4a) and passing through the root portion of the insertion part (21), when an imaginary circle passing through both end portions (21p) in the width direction of the inner surface (21c) of the insertion part (21) and centered on the central axis (O) is defined as a first imaginary circle (C1), the inner surface (21c) of the insertion part (21) has a protruding part (21d) that protrudes further toward the central axis (O) than the first imaginary circle (C1). The ratio of the length in the radial direction of the claw section (23) to the length in the axial direction of the insertion section (21) is from 0.3 to 0.5 (inclusive). In the plane (A), the maximum length of the protruding portion (21d) in the radial direction is 0.1 mm or more and 1.5 mm or less.
Owner:NITTO DENKO CORP

Shockproof carving tool head with replaceable blade

The utility model discloses a shockproof carving tool head with a replaceable blade, and relates to the technical field of carving. The anti-vibration cutter comprises a cutter handle, a cavity is formed in the central axis in the cutter handle, a top anti-vibration mechanism is arranged in the cavity and comprises an elastic piece, the top of the elastic piece is fixedly connected with the cutter handle, a damping fin is fixedly installed at the bottom end of the elastic piece, a containing hole is formed in the damping fin, and the top of the containing hole is fixedly connected with the cutter handle. An opening of the placing hole faces downwards, the bottom of the knife handle is fixedly connected with an external thread pipe, and an internal thread mounting pipe is mounted on the outer wall of the external thread pipe in a threaded mode. Part of vibration generated by the blade is absorbed through elastic deformation of the elastic piece, the cylindrical damping fin dissipates vibration energy through the damping performance, meanwhile, the first gasket, the protruding block, the second gasket and the annular gasket which are made of polyurethane materials are adopted, vibration is absorbed and buffered through good elasticity and damping performance, and the service life of the blade is prolonged. And vibration transmission from the blade to the knife handle and equipment is reduced.
Owner:ZHENGZHOU JINGDIAO PLATE MAKING CO LTD

A displacement-amplified composite friction damper

This utility model discloses a displacement-amplified composite friction damper. The upper connecting plate has three sets of equidistant axial connecting ends at its bottom; three sets of equidistant extension plates are located above the core plate, and friction shear components are installed on both sides of the core plate; a lever plate is installed between the axial connecting ends and the extension plates; connecting shafts pass through the axial connecting ends and the extension plates respectively to reinforce the installation of the lever plate; large side plates are fixed at both ends of the lower connecting plate, and the large side plates are tightly fitted to the core plate through the friction shear components. After being amplified by the lever plate, the relative displacement between the upper and lower connecting plates will be greater than the displacement generated by the original building structure. In the small displacement stage: the vulcanized rubber layer absorbs energy through elastic deformation, and the friction plates and steel plates remain relatively stationary, achieving low-frequency vibration isolation. In the large displacement stage: when the vulcanized rubber layer reaches its deformation limit, the steel plate and friction plates begin to slide and rub, significantly improving energy consumption efficiency and adapting to extreme conditions such as earthquakes. The overall structure is simple and easy to install.
Owner:HEBEI ZHONGYI NEW MATERIAL TECHNOLOGY CO LTD

Vibration and noise reduction transmission system and rotary excavating power equipment

The invention discloses a vibration and noise reduction transmission system and rotary excavating power equipment, and relates to the technical field of power transmission, the vibration and noise reduction transmission system comprises a driving device, a driven device and a transmission device, the transmission device is in contact connection with the driving device and the driven device, and the transmission device comprises a pressurizing part and a vibration reduction part; the pressurizing part is a hard part and is used for power transmission, the vibration reduction part is an elastic energy absorption part and is used for generating elastic deformation when the pressurizing part transmits power, and the vibration transmission frequencies of different positions of the vibration reduction part are different. Buffering of collision is achieved through elastic deformation, noise attenuation is achieved from the interior of a sound source, the noise reduction efficiency is improved, vibration energy is transmitted through an elastic structure, fatigue damage to parts is avoided, the force transmission performance and the noise reduction requirement can be considered, the vibration transmission frequencies of different positions of the vibration reduction part are different, the fixed frequency is eliminated and stabilized, and mechanical waves are isolated.
Owner:SUNWARD INTELLIGENT EQUIP CO LTD

Writing device, display device, and communication system

To achieve a writing device that can suppress a writing sound.SOLUTION: A pen-type input device 1 has: a movable part 10 that has a contact member 11, is provided movably in an advance / retreat direction, and retreats upon contact of the contact member 11 with an electronic blackboard 50; a movable part holding body 13 that holds the movable part 10; and an elastic part 20 that is provided on the opposite side of the contact member 11 of the movable part 10 in the advance / retreat direction. The elastic part 20 has a first elastic body 14 and a second elastic body 15, and is elastically deformed by the retreat of the movable part 10 and reduced in thickness in the advance / retreat direction. The first elastic body 14 and the second elastic body 15 are provided adjacent to each other in this order with respect to the movable part 10. The first elastic body 14 is an elastic body having a lower hardness than the second elastic body 15.SELECTED DRAWING: Figure 3
Owner:RICOH CO LTD

A bending machine deformation detection mechanism

The application discloses a bending machine deformation detection mechanism and method, which comprises a deformation sensor and a control system; the bending machine comprises a lower side plate and a slider located directly above the lower side plate, and the height of the slider can be lowered; a deformation proportionality coefficient K is built in the control system; wherein the deformation proportionality coefficient K is the ratio of the elastic deformation A of the slider to the elastic deformation B of the lower side plate; the deformation sensor is arranged on the lower side plate or the slider and can be used for detecting the elastic deformation of the lower side plate or the slider. The application can realize real-time detection of bending deformation while saving cost. Especially when bending a large-format thick plate, the bending precision of the plate can be improved, and the waste of the plate can be reduced. Especially when the application is equipped with the function of an intelligent bending production line, closed-loop real-time intelligent automatic control can be realized. Further, the application can calculate and compensate the initial deviation of the upper and lower dies, so that the installation and debugging are more convenient.
Owner:NANJING UNIV OF POSTS & TELECOMM

Stable encoder connecting sheet and processing method thereof

The invention discloses a stable encoder connecting piece and a processing method thereof, and belongs to the technical field of encoders. The device comprises a mounting plate, a first spring plate, a second spring plate and a third spring plate, the first spring plate is connected with the mounting plate through a first door-shaped punched hole, the second spring plate is located between a second n-shaped punched hole and an inverted n-shaped punched hole, and the third spring plate is arranged in the inverted n-shaped punched hole and provided with a large through hole and multiple sets of encoder fixing holes. According to the invention, the technical problem that the encoder is easy to damage due to radial alternating stress caused by installation concentricity deviation of the encoder is solved. Stress from different directions is buffered through elastic deformation of the multiple stages of spring plates, and in combination with gradient fiber design of the fiber reinforced metal matrix composite material, stable transition from rigid installation to flexible buffering is achieved, stress distribution is optimized, stress concentration is avoided, and therefore the encoder is effectively protected, and the service life of the encoder is prolonged.
Owner:MASTEEL HEFEI IRON & STEEL CO LTD

Pressing operation unit and switch device

The pressing operation unit is provided with: an operation member which can be pressed by an operator; a leaf spring member that imparts an operation touch feeling by means of elastic deformation in response to a pressing operation; and a housing that holds the leaf spring member, the operating member having: an insulator that covers the housing; a first protrusion provided on one surface of the insulator; and a second protruding part which is provided on the other surface of the insulator at a position facing the first protruding part, and which is made of a material different from that of the first protruding part.
Owner:ALPS ALPINE CO LTD

Buffering energy-absorbing structure

The invention provides a buffering energy-absorbing structure, and belongs to the technical field of buffering energy-absorbing structures. The structure comprises a plurality of basic units which form a porous structure through array stacking; each basic unit is provided with a first crease and a second crease which are arranged in a crossed manner, and the form is a three-dimensional form formed by unfolding a plane after the plane is folded along the first crease and the second crease; each basic unit comprises a memory material piece and an elastic piece which are fixedly connected. A plurality of basic unit arrays are stacked to form a paper folding structure, so that the deformation is stable; during collision, the elastic piece generates elastic deformation, and the memory material piece generates plastic deformation to cooperatively absorb impact energy; and after collision, the plastic deformation of the memory material piece is kept in the original state, and the elastic deformation of the elastic piece is locked, so that the porous structure does not rebound to cause secondary damage after the load is unloaded. After treatment, the memory effect of the memory material piece enables the whole porous structure to recover to the initial state before deformation, and the mechanical property does not generate or only slightly changes, so that repeated use is realized.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Elastic glasses frame structure with high facial form adaptability and glasses

The invention relates to an elastic frame structure with high facial form adaptability and glasses, the elastic frame structure comprises a frame, lenses and a nose bracket, and further comprises two glasses legs respectively connected with the left end and the right end of the frame, the nose bracket is fixedly connected with the middle of the frame and protrudes downwards based on the middle of the frame, and the position where the nose bracket is fixedly connected with the lenses is located on the inner side of the frame. And the left and right parts of the glasses frame are respectively provided with an elastic deformation component which elastically deforms independently of the lenses. Even if the head circumferences of wearers are different, the lenses can still keep optical performance, optical distortion caused by the difference of the head circumferences is reduced or eliminated, and a consistent visual effect is provided. According to the glasses, the user experience is improved, the compatibility of the lenses and the glasses frame is better, different lenses can be replaced, the visual effect can be kept stable, and the uncomfortable period of adapting to new glasses again is reduced.
Owner:SHANGHAI HONGYUANCHENG NEW MATERIAL TECHNOLOGY CO LTD

Die suitable for continuous forming of super-long composite material flexible rod and using method of die

The invention relates to the technical field of composite material forming, and provides a mold suitable for continuous forming of an ultra-long composite material flexible rod and a using method thereof.The mold suitable for continuous forming of the ultra-long composite material flexible rod comprises a core mold, an elastic lining and a sectioning outer mold, and the core mold, the elastic lining and the sectioning outer mold are sequentially arranged from inside to outside; during molding, two layers of demolding films and prepreg arranged between the two layers of demolding films are arranged between the core mold and the elastic lining. The air holes are formed in the core mold and the elastic lining, the mold and the demolding film are separated through compressed air, and meanwhile, the problems that a film-coated composite material is separated from the lining and the demolding film is damaged due to extrusion of the sectioning mold are solved simply and reliably through elastic deformation of the elastic lining; therefore, stable and continuous preparation of the super-long composite material flexible rod is realized.
Owner:SHANGHAI SPACE PRECISION MACHINERY RES INST

Torsion spring

This torsion spring has: a plurality of elements that are each rotatable about a common rotation center line, and that are arranged in the extension direction of the rotation center line; and a connection member that connects two adjacent elements. The connection member comprises: a first connection part that is connected to one of the two adjacent elements; a second connection part that is connected to the other of the two adjacent elements; and an elastic deformation part that is connected to the first connection part and the second connection part, and that elastically deforms when one of the two adjacent elements rotates relative to the other.
Owner:TSUBAKIMOTO CHAIN CO

Deformation analysis method of inclined short anchor pile foundation under elastic theory and deformation compatibility condition

The present application relates to the technical field of data processing, in particular to a kind of short pile foundation deformation analysis method under oblique anchor elastic theory and deformation coordination condition, including according to short pile and anchor displacement deformation coordination condition, the displacement component of short pile at anchor displacement direction in pile-anchor node is equal to anchor displacement amount, displacement balance equation is established by displacement deformation coordination principle;Based on displacement balance equation, according to the analytical analysis method of elastic deformation of uplift single pile, the elastic deformation calculation method of oblique anchor short pile foundation is simplified, and simplified equation is obtained;Based on simplified equation, considering the boundary condition of oblique anchor short pile foundation, the whole foundation is divided into three parts, the internal force and displacement of upper half pile body and the internal force and displacement of lower half pile body are calculated, and the solving result is obtained;Based on the solving result, the design calculation of oblique anchor short pile uplift ultimate bearing capacity is completed, and foundation deformation analysis is carried out, and analysis result is obtained, the problem of no foundation deformation analysis of oblique anchor short pile is solved.
Owner:CHONGQING UNIV

High-displacement shoe for running

PCT designated stageWO2026117644A1SolesHeelsEnergy harvesterMechanical engineering
A shoe configured to absorb energy includes a system configured to harvest energy during compression of the shoe under load and to store the energy as compressed gas and / or elastic deformation. The system includes at least one pod. Components of the pod include an energy harvester and an energy storage device coupled to the energy harvester. The energy storage device is adapted to store energy from the energy harvester and reversibly return energy to the energy harvester.
Owner:RGT UNIV OF CALIFORNIA

High-voltage motor stator lamination structure

The utility model discloses a kind of high-voltage motor stator lamination structure, it is related to stator sheet assembly technical field.Stator sheet, axial two opposite end faces are respectively equipped with the position and the size matching positioning slot and positioning pin;The positioning pin includes: several elastic arc pieces, the arc surface of elastic arc piece is convex, the convex end of several elastic arc pieces is circumferentially distributed and the convex end between is set back, when multiple stator sheets are axially stacked, the convex end of the elastic arc piece of adjacent positioning pin is mutually opposed and generates radial elastic deformation, after being inserted into corresponding positioning slot, it is elastically attached to the inner circumferential wall surface of this positioning slot.The utility model generates radial elastic deformation and elastically attaches inner circumferential wall surface by the elastic arc piece of positioning pin when being inserted into positioning slot, ensure accurate positioning and firm connection when adjacent stator sheet is axially stacked in high speed or high load condition, prevent radial displacement.
Owner:TIANJIN RUNCI TECH CO LTD

connector

To provide a connector that can maintain the locking force of the front part against the housing. [Solution] The connector 10 comprises a housing 20 having a cavity 28, and a front portion 51 that is movable along the front side of the housing 20 in a direction intersecting the front-rear direction and locks to the housing 20 in the locking position. The housing 20 has a locking portion. The front portion 51 has a tab insertion hole 61 that communicates with the cavity 28 in the locking position, an elastic portion 67, a deformation-allowing portion 65 that allows elastic deformation of the elastic portion 67, and a projection 64 that protrudes from the elastic portion 67 and faces the locking portion so as to be lockable in the locking position.
Owner:SUMITOMO WIRING SYSTEMS LTD

Linear drive device and head-up display device

The linear drive device for driving an object comprises a motor with a feed spindle shaft and a movable body that engages the feed spindle shaft and into which a section of the object to be driven engages. The movable body includes a nut element, on the inner circumference of which the feed spindle shaft is arranged, and a sliding element 30, which moves linearly in the axial direction of the feed spindle shaft together with the nut element. The sliding element 30 integrally forms a nut-retaining section 30b, which carries the nut element, a support section 30c, which contacts the engagement area of ​​the object to be driven from the X1 direction side, and an elastic section 30d, which is elastically deformable in the axial direction of the feed spindle shaft.The elastic section 30d is arranged closer to the X1 direction side than the support section 30c and touches the engagement section of the object to be driven from the X1 direction side in order to prestress the engagement section towards the X2 direction side.
Owner:NIDEC INSTR CORP

Actuating device and projection equipment

The utility model provides an actuating device and projection equipment, and relates to the technical field of optical equipment. The service life of the actuating device can be prolonged, and the reliability of the actuating device can be improved. The actuating device comprises a base, a support and a driving assembly. Wherein the support comprises a bearing part and a deformation part, at least one part of the deformation part has elasticity and can generate elastic deformation, the bearing part is arranged on the base through the deformation part, and the bearing part is used for arranging an optical element; at least two sets of driving assemblies are arranged between the base and the bearing part in the circumferential direction of the bearing part. The actuating device is used for driving the optical element to move.
Owner:YIBIN XGIMI OPTOELECTRONIC CO LTD