Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

80results about How to "Realize automatic reset function" patented technology

Car body rolling limiting device and car adopting device

The invention relates to the technical field of car chassis, and discloses a car body rolling limiting device and a car adopting the device. The car body rolling limiting device comprises a car frame,a car body, a limiting wheel, a swing rod and a roller. The car body and the limiting wheel rotate together relative to the car frame. The cam profile of the limiting wheel constrains the roller to form two limiting positions of the swing rod, at the right limiting position of the swing rod, the car body rolling work state is kept through electromagnetic pushing force, and at the left limiting position of the swing rod, the rolling lock state is reset by spring tension. An actuator drives the car body to do rolling motion relative to the car frame, any car body rolling angle beta is obtained,and the functions of car body active rolling, left and right limiting car body roll angle limiting and automatic reset of car body roll angle zero returning after failure power off are achieved. Thedevice is applied to car body active rolling when the car turns, so that the car body actively rolls by a certain angle to resist centrifugal force or roll-over force when the car turns or passes through an inclined pavement, and the stable running posture of the car is kept.
Owner:河南坐骑科技有限公司

Combined type weak-torsion continuous mechanical arm connecting joint

The invention relates to a combined type weak-torsion continuous mechanical arm connecting joint, and belongs to the technical field of robots. The combined type weak-torsion continuous mechanical armconnecting joint comprises a ball socket base flange, a ball socket, a spin ball, a spin ball fixing cover, three torsional springs and a spin ball base flange, wherein the ball socket base flange isof a horizontally placed plate-like structure; the ball socket is fixedly installed at a central position of the upper surface of the ball socket base flange; a spherical groove is formed in the topof the ball socket; the spin ball extends into the spherical groove; the spin ball fixing cover is fixedly installed at the top of the ball socket to realize the limiting of the spin ball in the vertical direction; the spin ball base flange is fixedly connected with the top of the spin ball; the three torsional springs are axially and vertically placed between the ball socket base flange and the spin ball base flange; and the three torsional springs are annularly and uniformly around the outer side of the ball socket. According to the combined type weak-torsion continuous mechanical arm connecting joint, combined type installation can be realized, and weak-torsion universal rotation can further be realized.
Owner:BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS

Needle rod clutching mechanism of sewing machine and double-needle machine

The invention provides a needle rod clutching mechanism of a sewing machine and a double-needle machine and belongs to the technical field of double-needle machines, aiming at solving the problems of an existing needle rod clutching mechanism of the sewing machine that the separation and resetting stability of a needle rod is poor and the needle rod clutching mechanism easily has faults. The needle rod clutching mechanism of the sewing machine comprises a sliding shaft, wherein one end of the sliding shaft is connected with a separation assembly and the other end of the sliding shaft is connected with a resetting assembly; the separation assembly comprises a rotary shaft, a wrench and a supporting plate assembly mounted on a machine head; the wrench is provided with a pulling sheet and a limiting column; a detection assembly is arranged between the supporting plate assembly and the wrench; the detection assembly is used for detecting leftward and rightward swinging of the wrench, generating left and right separation signals and sending the signals to electric control of the sewing machine; the supporting plate assembly is fixedly provided with a driver which is in electric control connection with the sewing machine. The clutching mechanism has the advantages of simple and beautiful structure, convenience for operation, automatic resetting and good separation and resetting stability.
Owner:JACK SEWING MASCH CO LTD

Distributor for tractor

ActiveCN104728204ASolve the problem of automatic reversingRealize automatic reset functionServomotor componentsAbnormal shapedInternal cavity
The invention discloses a distributor for a tractor. The distributor comprises a valve, a front cover and a rear cover. A valve rod is arranged in the valve, and the two ends of the valve rod stretch into the front cover and the rear cover respectively. A handle is arranged on the front cover, a through hole penetrating through the rear cover is formed in the rear cover, and a balance guide rod is arranged in the through hole. A radial hole penetrating through the valve rod in the radial direction of the valve rod is formed in the circumferential face of the valve rod, and a small steel ball is arranged in the radial hole. A positioning guide base is arranged in an inner cavity of the valve rod, a guide rod is arranged on a guide rod base in the positioning guide base, and a cone valve element is arranged on the right side of the guide rod base. A special-shaped sealing ring is arranged in a sealing groove in the rear cover. A second-level guiding body is arranged on the peripheral face of a middle connecting body of a one-way valve element. The distributor has the advantages that the problem of automatic valve rod reversing in the back pressure process can be solved, the automatic valve rod reset function is achieved, resetting is reliable, the sealing effect of the rear cover is good, staining of dust does not exist, the service life of a one-way valve is long, and working reliability is high.
Owner:HEFEI CHANGYUAN HYDRAULICS

Pressure releasing automatic reset air shaft anti-explosion cover

A pressure releasing automatic reset air shaft anti-explosion cover relates to the field of ventilating safety of a coal mine and comprises a well lid arranged on a well mouth; at least two guide sleeves are connected to the outer peripheral edge of the well lid; a guide pillar is arranged in each guide sleeve in a penetrating mode; an elastic limiting block is arranged at the top end of each guide pillar; an upright pillar and a pressure releasing device are connected to the middle above the well lid; each pressure releasing device is respectively connected with a locking mechanism and comprises a pressure releasing drum; a cover door is hinged above each pressure releasing drum; an air spring is hinged into each pressure releasing drum; the telescopic end of each air spring is hinged to the inside of the corresponding cover door; the air springs are hinged onto the upright pillar; the telescopic end of each air spring is respectively hinged to the outside of the corresponding cover door; at least two hydraulic lifting machines are connected below the well lid; travel switches are connected onto the upright pillar; when being opened, each cover door makes contact with the corresponding travel switch and the hydraulic lifting machines are started to work. The pressure releasing automatic reset air shaft anti-explosion cover is safe and reliable.
Owner:YANGZHOU JIANGLONG MINING EQUIP

Distributor with automatic restoring function for tractor

The invention discloses a distributor with an automatic restoring function for a tractor. The distributor with the automatic restoring function for the tractor comprises a valve body, a front cover and a rear cover, wherein a valve rod is arranged in the valve body, and the two ends of the valve rod respectively stretch into the front cover and the rear cover; a handle is arranged on the front cover; a through hole which penetrates through the rear cover is formed in the rear cover, and a balancing guide rod is arranged in the through hole; a radial hole which penetrates through the valve rod along the radial direction of the valve rod is formed in the circumferential surface of the valve rod, and a small steel ball is arranged in the radial hole; a positioning guide seat is arranged in the inner chamber of the valve rod, a guide rod seat in the positioning guide seat is provided with a guide rod, the right side of the guide rod seat is further provided with a conical valve spool; a sealing groove is formed in the end surface, fit with the valve body, of the rear cover, and a special-shaped sealing ring is arranged in the sealing groove. The distributor for the tractor disclosed by the invention can solve the problem that the valve rod is automatically reversed under backpressure, and has the advantages that the valve rod has the automatic restoring function, the restoring reliability is high, the rear cover sealing effect is good, no dust is stuck on the rear cover, the working reliability of the distributor is improved and the like.
Owner:HEFEI CHANGYUAN HYDRAULICS

Foldable three-wheel transportation tool with automatic reset steering component

The invention relates to a foldable three-wheel transportation tool with an automatic reset steering component. The foldable three-wheel transportation tool with the automatic reset steering component comprises a handle bar (15), a saddle (2), pedals (5), rear wheels (11), a front frame (4-1), a rear frame (4-2) and the steering component (16) connected between the front frame (4-1) and the rear frame (4-2), wherein the steering component (16) comprises a rotating shaft (16-9), a bearing seat (16-7), a shaft fixing piece (16-10), two deep groove ball bearings, an elastic steel piece (16-15) and two fixing piece L-shaped elastic steel piece fixing pieces (16-1, 16-13), the rotating shaft (9) is fixedly connected with the bearing seat (16-7) through the deep groove ball bearings, the deep groove ball bearings (16-5) are installed in the bearing seat (16-7), and the shaft fixing piece (16-10) is installed on the rotating shaft in a located mode; the elastic steel piece (16-15) penetrates through the rotating shaft (16-9). The foldable three-wheel transportation tool with the automatic reset steering component has the advantages that the radius of a turning circle is small, the side turning is not prone to occurring, the stability is good, and the foldable effect is achieved.
Owner:泰华宏业(天津)智能科技有限责任公司

Waste collection device for operating room

The invention discloses a waste collection device for an operating room. The waste collection device comprises a shell, the shell is internally provided with a first drawer, a second drawer and a third drawer sequentially from right to left, upper ends of the first drawer and the second drawer are provided with a first slide rail and a second slide rail, the upper end of a fixing plate is fixed tothe inner top end of the shell, and the upper top end of a first retaining plate is fixed to the fixing plate through a torsional spring while the other end of the first retaining plate is closely attached to the side wall of the shell. One end of a second retaining plate is fixed to the fixing plate while an elongated hole is formed between the other end of the second retaining plate and the inner wall of the shell, and the first retaining plate and the second retaining plate are inclined plates. Automatic classified collection of waste articles is realized by quality and shape feature differences of gauze, syringes and glass medicine bottles, and classified treatment performed by cleaning personnel after operation is avoided. The first drawer is internally provided with a partition plate to prevent breakage of the glass medicine bottles in high-speed falling from the first slide rail into the first drawer.
Owner:王丽娜

Electric bicycle outdoor protective type safety charging equipment and use method thereof

The invention provides electric bicycle outdoor protective type safety charging equipment and a use method thereof. The electric bicycle outdoor protective type safety charging equipment comprises a charging pile, a main control box and a protective stopping rod, wherein the main control box is arranged on the charging pile; the protective stopping rod is arranged on the charging pile through a rotary limiting mechanism; the rotary limiting mechanism comprises a main shaft and a limiting rotating wheel; the main shaft is mounted in the charging pile in a rotatable manner; one end of the main shaft extends out of the charging pile to be fixedly connected with one end of the protective stopping rod; the other end of the main shaft is fixedly connected with the limiting rotating wheel; a stopping pin is arranged under the limiting rotating wheel; an electromagnetic lock is arranged on the side surface of the limiting rotating wheel; the electromagnetic lock is in communication connectionwith the main control box to receive and execute a control command of the main control box; and a first limiting gap is formed in the outer edge of the limiting rotating wheel. The electric bicycle outdoor protective type safety charging equipment and the use method thereof have the advantages of scientific design, strong practicability, high protective effect and low production cost.
Owner:河南境颐物业服务有限公司

Winding and packing device for pipes

The invention relates to the field of packing equipment, in particular to a winding and packing device for pipes. The winding and packing device comprises a support, a sliding frame and a fixing frameare correspondingly arranged on the two sides of the inside of the support, a driving gear and a plurality of driven gears meshed with the driving gear are arranged on the fixing frame, driven shaftsare arranged on the driven gears in a penetrating mode, the driven shafts penetrate out of the fixing frame and are connected with pipe clamping devices, the sliding frame is provided with movable end rotating shafts, the movable end rotating shafts penetrate out of the sliding frame and are connected with pipe clamping devices, rolling wheels are arranged on the sliding frame, rolling wheel groove are formed in the support, the rolling wheels on the sliding frame are embedded in the rolling wheel grooves in the support, a ball screw pair parallel to the axes of the driven shafts is connectedbetween the driving gear and the support, the ball screw pair is provided with ball nut, and the ball nut is provided with a winding belt fixing device. According to the winding and packing device for the pipes, the plurality of pipes can be wound and packaged at the same time, and compared with a traditional pipe winding and packing machine, the processing efficiency is high, the production efficiency of an enterprise is improved, and the production cost of the enterprise is reduced.
Owner:郑州华美彩印纸品有限公司

Push rod mechanism with automatic retraction function

The invention discloses a push rod mechanism with an automatic retraction function, and belongs to the technical field of extension and retraction mechanical structures. A push rod of the push rod mechanism can be automatically retracted after being extended. The technical scheme mainly includes that the push rod mechanism comprises a shell (1), a driving wheel (2), a driving gear (3), the push rod (4) and a mounting shaft (5); the mounting shaft (5) is fixedly mounted on the shell (1), and the driving wheel (2) and the driving gear (3) are mounted on the mounting shaft (5); a rack (41) is arranged on the push rod (4), and the driving gear (3) meshes with the rack (41), so that the push rod (4) can be driven to be longitudinally extended and retracted; the driving gear (3) can move on themounting shaft (5) along the axial direction of the mounting shaft (5), so that the driving gear (3) and the driving wheel (2) can be clamped with each other and can be separated from each other; thedriving gear (3) and the driving wheel (2) can be automatically reset after being separated from each other. The push rod mechanism has the advantage that the push rod mechanism can be used for opening and closing doors and drawers of products such as refrigerators.
Owner:TONELUCK PROD TECH (HUIZHOU) CO LTD

Closed penetration-free filament collecting device used for reeling silk

The invention discloses a closed penetration-free filament collecting device used for reeling silk. The closed penetration-free filament collecting device comprises a circular filament collecting hole, wherein the filament collecting hole is formed by overlapping two sections of circular arcs; one section of circular arc is positioned on a first ceramic plate; the other section of circular arc is positioned on a second ceramic plate; the first ceramic plate and the second ceramic plate are closed to from the filament collecting hole; an interval is formed between the first ceramic plate and the second ceramic plate; and an axial interval is formed between two sections of circular arcs for forming the filament collecting hole. Du ring the whole process that a silk filament penetrates through the filament collecting hole, the closed penetration-free filament collecting device is adopted, and the axial direction of the filament collecting hole is always in a full circle state so as to completely prevent silk filaments with knobs from penetrating through the filament collecting hole, so that the quality of the silk filaments is improved from the technology level, the process is free from artificial control, and enormous economic benefit is generated.
Owner:蒙山县正朔纺机科技发展有限公司

Oil pump device of pipe cutter

InactiveCN101862854ATo achieve the purpose of pipe cuttingReduce stress loss, inability to work properly, etc.Tube shearing machinesShearing machine accessoriesFailure rateEngineering
The invention relates to an oil pump device of a pipe cutter, which comprises a hydraulic top head, a piston, an air vent screw, a top cover, a cylinder body, a compression spring, a barrel body, a seal ring, a base, a pressure plate, a support rod, a pin, a handle, a small piston and a pump body, wherein the cylinder body is installed on the base by threaded connection, the barrel body is sheathed at the outer ring of the cylinder body, the top cover is tightly screwed on the cylinder body by a thread, and simultaneously the barrel is compressed; the piston and the seal ring form a piston rod assembly, the compression spring is sheathed on the piston rod, the hydraulic top head is installed on the piston, the piston rod assembly is installed in the cylinder body, the lateral side of the barrel body on the base is provided a small manual pump comprising the support rod, the pin, the handle, the small piston and the pump body, the support rod is connected with the handle by the pin, the small piston in the pump body is connected with the handle, a pressure-regulating oil way is added on the pump body, and a return pipeline of the pump is provided with a return oil way; and the air vent screw is fixed in an air vent at one side of the top cover, and the pressure plate at the bottom of the piston is fixed on the based by screws. The oil pump device has the advantages of compact structure, stable quality, low failure rate and convenient maintenance and repair.
Owner:HANGZHOU HONGLI PIPE MACHINERY

Mechanical optical shutter device for laser

The invention relates to a mechanical optical shutter device for a laser, and a pulse scanning mechanism of the device comprises a rotating disc fixing support which is provided with an upper rotating disc and a lower rotating disc. The upper and lower rotating discs are respectively provided with a plurality of through holes, and are respectively connected with a transmission shaft of a servo motor through rotating disc central holes. The servo motor is disposed on the rotating disc fixing support. A pulse adjustment mechanism comprises a plurality of reflectors disposed on a side surface of the upper rotating disc, a plurality of reflectors disposed on a side surface of the lower rotating disc, a semiconductor laser, and a rotating disc photoelectric detection apparatus, wherein the semiconductor laser is disposed on a semiconductor laser support. The semiconductor laser support is connected with a supporting seat, and the supporting seat is fixed on a pedestal. The bottom of the rotating disc photoelectric detection apparatus is fixed on the rotating disc fixing support. A light-outgoing mechanism comprises a reflector mechanism and a reflector photoelectric detection apparatus. The device effectively solves a technical problem that a current optical shutter is difficult to achieve the machining of single laser pulse or low pulse, is high in stability, and is quick in response.
Owner:上海尚朴光电技术有限公司

Arc extinguishing device of dual-power switch

The invention discloses an arc extinguishing device of a dual-power switch. Arc extinguishing separator plate structures are respectively and rotatably arranged on a joint path between a moving contact and a second static contact and a joint path between the moving contact and a third static contact. Electric arc and arc discharge caused by the separation of the moving contact and the static contact are cut off; when the moving contact passes through an arc extinguishing sheet assembly, the electric arc is quickly extinguished; therefore, when the moving contact is switched between the secondstatic contact and the third static contact in a rotating manner, a short-circuit accident caused by the fact that an electric arc is connected with the second static contact or the third static contact in a channeling manner is prevented. The technical scheme is adopted, an arc extinguishing separator plate structure is used to block and cut off an electric arc generated when the moving contact is disconnected with the second static contact or the third static contact. Arc channeling and arc discharge phenomena are prevented, the burning damage of the electric arc to moving and static contacts is reduced, the internal temperature rise of the dual-power switch is reduced, the arc extinguishing capability and arc extinguishing efficiency of the arc extinguishing device are greatly improved,the breaking capability of the dual-power switch is improved, and the service life of the dual-power switch is prolonged.
Owner:YUEQING DONGHAI ELECTRICAL APPLIANCE CO LTD

Mounting structure of refrigerator door

ActiveCN102914120ALimit four degrees of freedom limit functionHigh torqueDomestic cooling apparatusLighting and heating apparatusEngineeringRight shoulder
A mounting structure of a refrigerator door comprises a door housing. Door shaft sleeves are disposed at the upper and lower ends of one side of the door housing respectively. A hinge plate is disposed on a refrigerator body and is provided with a door shaft. The door shaft is nested in door shaft holes of the door shaft sleeves. The outer periphery of the door shaft sleeves are arc surfaces. Centers of the arc surfaces and centers of the door shaft holes are eccentric. The arc surfaces are provided with positioning grooves, and the right shoulder of each positioning groove is lower than the left shoulder. Radius of the arc surface of the right shoulder of each positioning groove is larger than that of the left shoulder of the positioning groove. The mounting structure further comprises a pressure spring. The pressure spring comprises a pressure spring body, a pressure spring arm and a pressure spring head, the pressure spring body is fixedly connected to the hinge plate, the pressure spring body is fixedly connected with one end of the pressure spring arm, the pressure spring head is disposed at the other end of the pressure spring arm, and the pressure spring head fits with the positioning grooves. The mounting structure of the refrigerator door allows for the function that a door is automatically positioned in opening and automatically resets in closing and is simple in structure, convenient to mount and lower in cost.
Owner:YINDU KITCHEN EQUIP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products