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130 results about "Circlip" patented technology

A circlip (a portmanteau of "circle" and "clip"), also known as a C-clip, Seeger ring, snap ring or Jesus clip, is a type of fastener or retaining ring consisting of a semi-flexible metal ring with open ends which can be snapped into place, into a machined groove on a dowel pin or other part to permit rotation but to prevent lateral movement. There are two basic types: internal and external, referring to whether they are fitted into a bore or over a shaft. Circlips are often used to secure pinned connections.

Screw pump with adjustable shaft seal position structure

The utility model discloses a screw pump with an adjustable shaft seal position structure, which relates to the technical field of screw pumps and comprises a driving screw, a shaft elastic retainer ring is arranged on the outer side of the top of the driving screw and clings to the end of an adjusting shaft sleeve, a sealing gland is fixedly connected to the outer side of the driving screw, and the sealing gland is fixedly connected to the outer side of the driving screw. A bearing seat is arranged at the end, close to the front end cover, of the sealing gland, a screw is in threaded connection with the end, away from the front end cover, of the sealing gland, the bearing seat is in threaded connection with the sealing gland through the screw, and a bearing is arranged at the bottom of the end, close to the front end cover, of the driving screw. Wherein an O-shaped sealing ring groove is formed in the outer surface of the bottom of the driving screw rod, an elastic check ring groove for a hole is formed in the outer surface of the top of the driving screw rod, an adjusting shaft sleeve is arranged on the outer side of the driving screw rod, and the technical problems that the sealing replacement process is tedious, only one sealing material can be selected, and many limitations exist are solved.
Owner:HUANGSHAN RSP MFG CO LTD

Linker base, clamp spring and plastic shell assembly lifting force detection equipment

The utility model relates to a linker base, clamp spring and plastic shell assembling lifting force detection device. The linker base, clamp spring and plastic shell assembling lifting force detection device comprises a rotating mechanism, and a base feeding mechanism, a clamp spring feeding mechanism, a plastic shell feeding mechanism, a screwing mechanism, a press fitting mechanism and a discharging detection mechanism which are sequentially distributed along the circumferential direction of the rotating mechanism. According to the linker base, snap spring and plastic shell assembly lifting force detection equipment, through mutual cooperation of the rotating mechanism, the base feeding mechanism, the snap spring feeding mechanism, the plastic shell feeding mechanism, the screwing mechanism, the press fitting mechanism and the discharging detection mechanism, automatic assembly of a base, a snap spring and a plastic shell can be achieved, and the machining efficiency is greatly improved; and moreover, after the assembling is finished, the hoisting force detection can be carried out, and the product quality is ensured.
Owner:CHANGZHOU XINHENG AUTOMATION TECH CO LTD

Torque fixing sleeve structure for built-in motor of electric power-assisted bicycle

ActiveCN224256867UBreak the shortcomings of high integrationeasy to produceRider propulsionElectric machineControl theory
The utility model relates to a torque fixing sleeve structure for a built-in motor of an electric power-assisted bicycle. The torque fixing sleeve structure comprises a center shaft, a torque sensor, a shell, a circlip for a shaft, a torque fixing sleeve and a fixing screw, the torque sensor is sleeved on the middle shaft, and the axial movement of the torque sensor is limited by the elastic retainer ring for the shaft; the torque sensor is sleeved with the torque fixing sleeve, four right positioning grooves and two left positioning grooves are formed in the two ends of the torque fixing sleeve respectively, and the right positioning grooves and the left positioning grooves are clamped with the inner wall of the shell. The torque fixing sleeve is fixed to the shell through a fixing screw, a wiring port and a wiring channel groove are formed in the torque fixing sleeve, and a sensor wiring harness penetrates through the wiring port and is contained in the wiring channel groove. The problems of high cost, complex structure and difficult maintenance are solved.
Owner:WUXI XINSHILI MOTOR TECH

Brake device for integrated magnetism-assisting synchronous reluctance roller motor

ActiveCN224079499UBrake typesBrakeWhole body
The utility model belongs to the technical field of motor application, and particularly discloses a brake device for an integrated magnetism-assisting synchronous reluctance roller motor, which comprises a backstop outer circle body, limiting convex blocks, arc-shaped limiting convex teeth, a backstop inner circle body with a through groove, an outer check ring gasket, an inner check ring gasket, an outer elastic check ring, an inner elastic check ring and the like. The brake device for the integrated magnetism-assisting synchronous reluctance roller motor has the advantages that a one-way brake structure is integrally formed after assembly and used for being matched with a rotating shaft clamping groove in a rotating shaft rotating in the forward direction, the rotating shaft rotating in the reverse direction is automatically and reliably locked, reverse rotation or reverse rotation of equipment is prevented, and the service life of the equipment is prolonged; the occurrence of safety problems is completely eradicated; 2, the whole body adopts a split type design and is convenient to assemble, disassemble and maintain, and meanwhile, a one-way anti-reverse structure is adopted, so that reverse stopping movement is timely and stable;
Owner:JIANGSU WEIYOU SOFTWARE TECH CO LTD

Compressor crankshaft polishing machine

The utility model relates to the technical field of workpiece polishing, in particular to a compressor crankshaft polishing machine which comprises a first motor, and the bottom end of the first motor is fixedly installed on one side of the top end of a bottom plate. A large and small wheel transmission structure composed of an abrasive belt wheel 2, a large belt wheel, a first screw, a flat key and a second sleeve body is driven to rotate through a first motor and a belt on the surface of the power output end of the first motor, and then an abrasive belt wheel 3, a third bolt, the first sleeve body, an elastic check ring for an A-shaped hole, a deep groove ball bearing and a sunk screw are driven through a small belt wheel and an abrasive belt on the surface of the small belt wheel. A triangular abrasive belt wheel transmission structure composed of the abrasive belt wheel 1, the third bolt, the first sleeve body, the deep groove ball bearing and the matched bolt fastener rotates, the polishing angle of the crankshaft journal and the crank neck is formed on the wheel frame, and therefore the type of workpieces can be rapidly and effectively polished, the equipment is easy to operate, manual polishing is replaced, and the polishing efficiency is improved. And compared with a traditional process and manual polishing operation, the working efficiency is improved.
Owner:SHENYANG JINBO GAS COMPRESSOR MFG CO LTD

A mounting device for a planet carrier circlip

The present application belongs to the technical field of planetary reducer assembly, and particularly relates to a mounting device for planet carrier clamping spring. A vertical first cylinder is mounted on a bottom frame; a piston rod of the first cylinder is connected with a first frame plate; a vertical second cylinder is mounted on the first frame plate; a clamping spring guide block is mounted on a top of a piston rod of the second cylinder; the clamping spring guide block is overall conical, a first mounting hole is formed in the middle of the clamping spring guide block, a first step in the form of a ring is formed by recessing an outer edge of a top of the clamping spring guide block; a clamping spring positioning plate is protruded from a side surface of the clamping spring guide block; a first fixed plate is mounted on a portal frame, two first sliding rails are mounted on the first fixed plate, a first sliding block is mounted on the first sliding rail, a second fixed plate is mounted on the first sliding block, a first angle iron is fixed on a surface of the second fixed plate, a third fixed plate is fixed on a bottom surface of the first angle iron, and a first supporting column is fixed on a bottom surface of the third fixed plate; the first supporting column is used for pressing a planetary reducer.
Owner:NATIEFU TRANSMISSION SYST (PINGHU) CO LTD

Pressure balance valve

The utility model relates to a pressure balance valve. The steam valve has the advantages of being easy to disassemble and maintain and comprises a valve body, a first cavity and a second cavity are formed in the valve body, a valve rubber base is arranged between the first cavity and the second cavity, a steam valve is fixed to the upper portion of the valve rubber base, two symmetrical air holes are formed in the middle of the steam valve, and the two symmetrical air holes are communicated with the valve rubber base. An air valve is inserted into the center of the steam valve, the upper portion of the air valve is in threaded connection with a limiting seat, an air valve spring is fixed to the lower portion of the limiting seat and arranged on the air valve in a sleeving mode, the lower portion of the air valve spring is supported on the upper portion of the steam valve, a steam valve spring is arranged in the first cavity, and the steam valve spring is arranged in the second cavity. One end of the steam valve spring is fixed to the upper portion of the steam valve, the upper portion of the steam valve spring abuts against the lower portion of the spring upper seat, an elastic check ring is fixed to the upper portion of the spring upper seat, and the elastic check ring is connected to the upper opening of the first cavity in a clamped mode.
Owner:XINXIANG PINGYUAN IND FILTERS CO LTD

Efficient heat dissipation worm gear and worm helical gear speed reduction motor for light-load machinery

The invention relates to the technical field of gear motors, in particular to an efficient heat dissipation worm gear and worm helical gear gear motor for light-load machinery, which comprises a box body, and the box body is provided with stepped holes for mounting a bearing and an end cover and outer surface reinforcing ribs for external heat dissipation; the motor unit is fixedly connected with the box body; and the composite transmission mechanism at least comprises a parallel shaft gear stage and a staggered shaft transmission pair. Compared with the prior art, the composite transmission of one-stage bevel gear and one-stage worm gear and worm is arranged, and the conical roller bearing, the output shaft deep groove ball bearing and the distance ring / elastic check ring which are arranged at the two ends of the worm shaft in a back-to-back mode are used for axial limiting; and a first metal adjusting pad and a second metal adjusting pad are matched to perform decoupling quantitative adjustment on the meshing backlash and the bearing pre-tightening amount, so that the effects of obtaining a large transmission ratio and smooth output in a compact volume, and giving consideration to both high axial rigidity and low noise are achieved.
Owner:JIANGSU GUOMAO REDUCER GRP CO LTD

A dismounting device

The present application relates to a kind of dismounting devices, comprising: positioning member, for positioning first object, first object is provided with first circlip, first object has cavity extending along first direction, and the through hole correspondingly arranged with first circlip is arranged through the outer surface and cavity of first object, positioning member is inserted in cavity, positioning member has first assembly hole extending along first direction and second assembly hole being opened in the hole wall of first assembly hole and being coaxially communicated with through hole;First pusher, it is worn in second assembly hole, with the first end of first circlip and the second end of second end being oppositely arranged in the axial direction of second assembly hole;And second pusher, it is worn in first assembly hole and is abutted to the second end of first pusher, for the positive direction movement along first direction, to push first pusher and first circlip away from first object by passing through through hole, to further expand the width of opening.The present application improves the dismounting efficiency and product appearance quality.
Owner:SHENZHEN EVERWIN PRECISION TECHNOLOGY CO LTD +1

Car underframe welding and positioning tool

The vehicle underframe welding and positioning tool comprises a base, centering assemblies are symmetrically arranged on the left side of the upper surface of the base front and back, and height fixing assemblies are symmetrically arranged on the right side of the upper surface front and back; the centering assembly comprises a supporting plate and a centering base, a centering rotating shaft is rotationally installed on the centering base, the outer end of the centering rotating shaft is connected with a handle, the inner end of the centering rotating shaft is provided with a centering disc, three centering protrusions are evenly distributed on the circumference of the centering disc, the centering disc is provided with a centering ring disc on the periphery of the three centering protrusions, and an elastic check ring for a shaft is arranged between the centering rotating shaft and the centering disc. The height fixing assembly comprises a fixing seat and a supporting seat, an inserting column is arranged on the positioning seat and sleeved with a supporting cylinder, a cover plate is arranged above the supporting cylinder, a connecting plate is arranged on the side wall of the supporting cylinder, a height fixing cylinder is arranged at the other end of the connecting plate and located above the supporting seat, supporting rings are arranged at the upper end and the lower end of the height fixing cylinder, and a step positioning shaft is arranged above the height fixing cylinder. According to the utility model, the good welding precision of products is ensured, and the quality of the products is improved.
Owner:ZHONGLIAN XINDA (TIANJIN) TECH DEV CO LTD

Horizontal guide wheel for stacking machine

The utility model relates to a horizontal guide wheel for a stacking machine, and belongs to the technical field of stacking machine equipment. The guide wheel comprises a three-section type eccentric guide wheel shaft, a guide wheel shell and a mounting assembly, the guide wheel shaft is composed of a first eccentric shaft section, a second eccentric shaft section and a third eccentric shaft section, the diameters of the first eccentric shaft section, the second eccentric shaft section and the third eccentric shaft section are sequentially increased at equal intervals. The top of the guide wheel shaft fixes an end cover plate through a sunk screw, and the bottom is limited by an elastic check ring. The first mounting block and the second mounting block surround the outer side of the guide wheel shaft and are connected and fixed through standard parts, a shaft hole or a lock disc structure does not need to be precisely machined, and assembly is simplified; the guide wheel shaft adopts optical axis design, thread machining is omitted, and production cost is reduced. The utility model can obviously improve the reliability of equipment and reduce the maintenance difficulty, and is suitable for various storage stacker equipment.
Owner:WAYZIM TECH CO LTD

Rocker arm structure

The utility model belongs to the technical field of mechanical manufacturing and machining, and provides a rocker arm structure which comprises a rocker arm seat, a rocker arm and a rocker arm shaft. One end, far away from the rocker arm seat, of the rocker arm shaft is provided with an external thread and is in threaded connection with a nut; one end of the rocker arm is provided with a mounting hole, the rocker arm rotatably sleeves the rocker arm shaft through the mounting hole, and a bearing is arranged between the rocker arm and the rocker arm shaft. In the rocker arm structure, the rocker arm is rotationally connected with the rocker arm shaft through the bearing, traditional sliding friction is replaced, the rotating resistance of the rocker arm is reduced, and steering is more convenient. The rocker arm seat and the rocker arm shaft are integrally formed through die forging, the size of a forged piece is accurate, the machining allowance is small, and the forged piece has high mechanical strength after thermal refining. And the circlip for the hole is additionally arranged in the mounting hole, and the slotted nut is matched with the cotter pin, so that the bearing can be prevented from falling off, and the stability is improved. The dustproof cover is additionally arranged at the outer end of the mounting hole to prevent dust and muddy water from entering, the sealing performance of parts is better, and the service life of the parts is prolonged.
Owner:HUBEI DAYUN AUTOMOBILE

Piston rod ball head forming device

The utility model relates to a piston rod ball head forming device which comprises a base, a lower rotating shaft, an elastic check ring, a rotating tool rest, a ball head piston rod, an upper rotating shaft, a handle, a turning tool, a fastening screw and a machine tool, and is characterized in that a tool bar of the turning tool is inserted into a square hole of a tool bar of the U-shaped rotating tool rest, and a tool nose is close to the U-shaped side of the U-shaped rotating tool rest; a fastening screw is arranged on the side, close to the turning tool avoiding groove of the base, of the tail of the turning tool to fasten the turning tool on the U-shaped rotating tool rest. During turning, the handle is pulled by hand, the U-shaped rotating tool rest drives the turning tool to rotate along the lower rotating hole and the upper rotating hole of the base in a fixed-axis mode, the ball piston rod is turned, and due to the fact that the rotating shaft of the U-shaped rotating tool rest and the main shaft of the machine tool are two shafts perpendicular to each other, the forming surface turned by the turning tool driven by the U-shaped rotating tool rest is a spherical surface by pulling the handle.
Owner:HUBEI JINLI HYDRAULIC CO LTD

Locking anti-loosening device for cantilever type impeller

The invention provides a locking anti-loosening device for a cantilever type impeller, and relates to the technical field of centrifugal fans, pumps and other equipment. The device adopts a'static-dynamic 'dual anti-loosening mechanism: in a static state, an anti-rotation pin on the end face of a locking nut is inserted into a blind hole of an impeller to realize rigid mechanical locking; dynamic, through the anti-rotation gasket which is arranged outside the nut in a sleeving mode and is provided with an asymmetric structure, continuous auxiliary torque tending to be tightened is generated through rotating fluid. The double mechanisms have a synergistic effect, and the elastic check ring ensures that the pin does not exit. The structure is highly integrated and compact in space, the anti-loosening performance is far better than that of a traditional method, disassembly, assembly and maintenance are convenient, all parts can be repeatedly used, the cantilever impeller locking device is particularly suitable for cantilever impeller locking of high-speed, heavy-load and strong-vibration centrifugal fans, pumps and other equipment, and the operation safety and reliability of the equipment are greatly improved.
Owner:BEIJING FRONTIER POWER TECH CO LTD

Axial positioning device for sun wheel of walking speed reducer of engineering machinery

A sun wheel axial positioning device of an engineering machinery walking speed reducer relates to the technical field of engineering machinery wheel edge planetary speed reducers and is used for solving the technical problems that in the prior art, a sun wheel positioning end face is abraded fast, and running noise of a whole walking speed reducer is large. The running stability of the whole walking speed reducer can be effectively improved, and the service life of the walking speed reducer is effectively prolonged. In the axial positioning device for the sun wheel of the walking speed reducer of the engineering machinery, a first deep groove ball bearing is connected with a spline connecting sleeve through an elastic check ring for a shaft, and the assembled first deep groove ball bearing and the spline connecting sleeve are installed in a component of a final-stage planet carrier; the second deep groove ball bearing is arranged in an inner hole of the final-stage sun gear, and the right end of the second deep groove ball bearing is positioned by using the circlip for the hole; the final-stage sun gear is arranged in the speed reducer, and the right end face of the spline connecting sleeve is made to make contact with the inner ring of the second deep groove ball bearing assembled in the inner hole.
Owner:YINCHUAN WEILI REDUCER MACHINERY

Pneumatic clamping pressing type emergency valve for sliding plug door

The invention discloses a pneumatic clamping pressing type emergency valve for a sliding plug door. The pneumatic clamping pressing type emergency valve comprises an upper support assembly, a lower support, an elastic check ring for a shaft, a pressing valve, a lip-shaped sealing ring, a button, a button compression spring and a screw. The upper support assembly and the lower support are connected in a clamping mode, and the lower support can work independently after the upper support assembly is detached. The lip-shaped sealing ring is used for guiding and preventing water for the button; the button is reset through the button pressure spring; the elastic check ring for the shaft is clamped in the groove of the button to prevent the button from falling off, and the matched stroke of the button and the pressing valve is guaranteed. Compared with a knob type emergency valve, self-resetting can be achieved, resetting through a knob is not needed, the operating force is low, and the unlocking efficiency of the emergency valve is greatly improved; meanwhile, on the basis of an integrated pressing type structure, a detachable clamping function is added.
Owner:NANJING KANGNI MECHANICAL & ELECTRICAL

An oil and gas seal structure for airflow mill classification and mechanical pulverization classification

The utility model relates to a sealing structure technical field of crushing equipment, concretely relates to an oil gas sealing structure for airflow mill grading and mechanical crushing grading, aims at solving the problem that the sealing structure is affected by particle and leads to poor sealing effect. Including spindle and bearing seat, and the bearing piece, oil baffle, elastic baffle, bearing cover and sealing ring that are coaxially assembled with the spindle, still include labyrinth ring, the air passage is opened in the labyrinth ring, and the air inlet pipe is connected on the bearing seat, and the air inlet pipe is communicated with the air passage. The labyrinth ring is assembled in the bearing seat end portion and prevents the particle from entering the sealing structure, and the air passage is opened in the labyrinth ring, and the gas is injected into the air passage, prevents the dust particle from entering the sealing gap, thereby reduces the erosion and pollution of the particle to the bearing piece and sealing structure.
Owner:MIANYANG JIUFANG ENVIRONMENTAL PROTECTION & ENERGY SAVING TECH CO LTD

Adjusting mechanism for walking device of cutting machine

The utility model relates to the field of foam cutting equipment, in particular to a cutting machine walking device adjusting mechanism which comprises a mounting base, a double-shaft motor, a threaded rod, a driven wheel assembly and a positioning assembly. The driven wheel assembly comprises a roller body used for supporting the cutting frame. A bearing is arranged on the inner side of the roller body; the end part of one side of the bearing is provided with a circlip for a hole for supporting and adjusting; a roller shaft for supporting and adjusting the height of the cutting frame is arranged on the inner side of the bearing; the outer side of the roller shaft is provided with a positioning sleeve for fixing and skid resistance; the mounting base, the double-shaft motor and the hydraulic push rod drive the rotating frame to position the roller shaft and the positioning sleeve so as to adjust the eccentric distance of the roller body, so that the problems that in the walking process of a cutting machine, due to the fact that most of existing cutting machine walking device adjusting mechanisms are large in cutting frame structure, height adjustment of the axes of four wheels is difficult, and rollers are abraded quickly, the working efficiency is high are solved. The use effect of the adjusting mechanism of the walking device of the cutting machine is reduced; and the use cost is increased.
Owner:CHANGCHUN JINLU MECHANICAL & ELECTRICAL EQUIPMENT CO LTD

A synchronous belt wheel device

ActiveCN224550737UControl theoryCirclip
The utility model discloses a synchronous pulley device relates to cable stranding equipment technical field, two check ring, a plurality of screw no.
Owner:BAIYIN NONFERROUS CHANGTONG WIRE & CABLE CO LTD +1

Rotor assembly press

The present application belongs to the technical field of rotor assembly, and discloses a rotor assembly press. The rotor assembly press comprises a carrier mechanism and a pressing mechanism. The carrier mechanism comprises a mounting frame, a rotor support assembly, a lower bearing support assembly and an end cover support assembly. The rotor support assembly is used for carrying and positioning a rotor. The lower bearing support assembly is arranged below the rotor support assembly and is used for carrying and positioning a lower bearing so that the lower bearing is aligned with a rotating shaft of the rotor. The end cover support assembly is arranged above the rotor support assembly and is used for carrying and positioning an upper end cover. The pressing mechanism is arranged above the carrier mechanism and comprises a plurality of pressing head assemblies. The pressing head assemblies are movable relative to the carrier mechanism so that corresponding pressing head assemblies are aligned with the rotor. The plurality of pressing head assemblies can press and assemble a lower bearing, an upper end cover, an upper bearing, a circlip and an oil seal on the rotor, respectively. The rotor assembly press can automatically assemble a rotor assembly, and improves the assembly efficiency and assembly quality stability of the rotor assembly.
Owner:JIANGSU CHUANGYUAN ELECTRON CO LTD

High speed standard planetary roller screw structure

ActiveCN224693896URoller screwGear wheel
The utility model belongs to mechanical drive technical field, and disclose high -speed standard formula planetary roller screw structure, including screw rod, roller, nut, inner toothed ring, retainer and elastic baffle ring, the outer surface of screw rod is provided with triangle multi -head outer thread, the outside of roller is provided with ring tooth, the pitch of ring tooth is same with the screw pitch of screw rod, the both sides of ring tooth on roller are provided with gear, the inner chamber of nut is provided with oil storage groove, the inner surface of nut is processed with triangle multi -head inner thread that matches with screw rod and roller, the inner toothed ring sets up in the both end inner wall of nut, the inner toothed ring is connected with the gear of roller, the retainer is connected in the both end of roller, the lubricant that injects through oil injection hole can store in oil storage groove and even delivery to the meshing area of roller and screw rod, nut along helical oil channel, form continuous lubricating film, reduce the wear and heating that line contact friction leads to, promote high -speed operation stability.
Owner:江苏力仁科技有限公司

Snap ring part installation tool

The utility model provides a snap ring part installation tool, which belongs to the technical field of snap ring assembly and comprises a guide shaft, a fixed disc and a pressure disc, the pressure disc is sleeved on the outer side of the guide shaft, and the front end of the pressure disc extends to the middle of the guide shaft; the fixing disc sleeves the outer side of the guide shaft and is located in front of the pressing disc, the fixing disc and the guide shaft move relatively, the rear end of the fixing disc is made to be close to or away from the pressing disc, a guide groove with a forward notch is formed in the end, away from the pressing disc, of the fixing disc, and the notch of the guide groove is used for containing a clamping ring; a pushing disc is arranged at the front end of the guide shaft and attached to the inner wall of the guide groove in a sliding mode. The snap ring part mounting tool is easy to operate, high in mounting and matching consistency and suitable for a structure with a compact internal space, the problem that a snap ring in an air compressor is inconvenient to mount is solved, the assembling efficiency of the snap ring in the air compressor is improved, and therefore the machining and manufacturing cost is reduced.
Owner:SHIJIAZHUANG KINGSTON BEARING TECH CO LTD

Circlip-type locking device for mounting bearings on MOTOR VEHICLES

The invention relates to a circlip-type device for assembling and locking a bearing ring (2) onto a wheel assembly (3), characterized in that it comprises a cylindrical body (1) having, on a first edge (1a), a flared, elastically deformable flank (11) extending inwards towards the body via a flat (12), and, on a second edge (1b) opposite the first edge (1a), a radial shoulder (13). (Fig. 3)
Owner:STELLANTIS AUTO SAS

Anti-seismic indoor fire hydrant

The invention relates to the technical field of fire-fighting equipment, in particular to an anti-seismic indoor fire hydrant which comprises a valve body. The valve clack is arranged in the water inlet cavity; the middle part of the valve rod is connected with the valve body through threads, the upper part is connected with the hand wheel and the lower part is movably connected with the valve clack; the safety pin penetrates through pin holes of the valve body and the valve rod; the circlip II for the hole is arranged between the inner hole of the valve clack and the valve rod; the inter-shaft radial sealing structure comprises a rigid sealing ring installed on the valve clack, a pressing plate fixedly connected with the lower end of the valve clack, a locking nut for locking the valve clack and the pressing plate, and a cotter pin arranged on the lower side surface of the valve clack. The pressure reducing and stabilizing assembly is arranged in the water outlet cavity; the valve body is integrally cast through the copper alloy, threaded connection points between the valve deck and the valve body and between the connector and the valve body are completely eliminated, the risk of thread stress concentration and vibration slippage caused by nuclear power safety shutdown seismic loads is solved through the design, and the structural integrity of the valve in the extreme vibration environment is remarkably improved.
Owner:XIAN NUCLEAR EQUIP CO LTD

Priority flow valve

The utility model relates to the technical field of priority valves, in particular to a priority flow valve which comprises a valve block and a cartridge valve sleeve, and the valve block is fixedly connected with the cartridge valve sleeve. A port A and a port B are formed in the side face of the valve block. A port P is formed in the bottom of the valve block. A first valve element, a second valve element, a spring, an adjusting rod, an adjusting cap and an elastic check ring are arranged in the cartridge valve sleeve, the first valve element is located on the upper portion of the opening P, the spring is arranged in the first valve element, and the top of the spring abuts against the bottom of the second valve element. The adjusting rod is located above the second valve element, the second valve element and the adjusting rod are sealed in an oblique angle mode under the action of the spring, and an adjusting cap is arranged above the adjusting rod and matched with the top of the cartridge valve sleeve. The device is compact in structure after being structurally improved, stable and reliable in work and capable of being used for a long time, and precision adjustment is achieved; and the priority valve is easy to maintain, and only regular inspection and replacement of the plug-in are needed.
Owner:NINGBO HANSHANG HYDRAULIC

Rotary eccentric bearing unit

The utility model discloses a rotary eccentric bearing unit, which relates to the technical field of bearing units, and comprises an eccentric sleeve, a bearing unit structure is arranged on the eccentric sleeve, the bearing unit structure comprises a lug-free clamp spring, a lug-free clamp spring and a lug-free clamp spring, and the lug-free clamp spring is arranged on the inner side of the eccentric sleeve; the needle bearing outer steel sleeve is arranged on one side of the lug-free clamp spring; the needle bearing is arranged on the inner side of the needle bearing outer steel sleeve; the eccentric assembly is arranged on the inner side of the needle bearing; the baffle is arranged on one side of the eccentric assembly. The bearing unit structure is arranged, the eccentric sleeve and the needle bearing outer steel sleeve are clamped through matching of the groove and the lug-free clamping spring, so that the eccentric sleeve and the needle bearing outer steel sleeve are positioned, and then the eccentric steel sleeve and the needle bearing on the eccentric part are blocked through matching of the baffle and the step on one side of the eccentric part. After the needle bearing is used for transmission, the seizure phenomenon can be avoided when a machine is driven to a high speed.
Owner:CHANGZHOU LONGLONGSHENG WARP KNITTING MASCH CO LTD

Locking device for scraper blade assembly

The invention relates to the technical field of mining machinery, and discloses a locking device for a scraper assembly, a locking gasket with a limiting folded edge and a nut limiting groove is used for locking an installed locknut, and the locking performance of the locknut can be remarkably improved through mechanical self-locking and threaded locking. The installation locking stability of the scraper body can be guaranteed in the vibration environment, the elastic check ring and the check ring installation groove formed in the circumferential side of the locknut are installed in an embedded and clamped mode, the structure is simple, disassembly and assembly are convenient, and frequent checking and fastening are not needed. Compared with a traditional single-nut locking structure, better locking work reliability, unlocking disassembly and assembly convenience and work maintenance convenience are achieved, the nut limiting groove is of a multi-bayonet structure, multi-angle alignment clamping installation can be carried out on the nut limiting groove and a hexagonal part outside the locknut, and by means of the wide rotation angle adjusting range, the locking effect is good. And the mounting requirements of scraper blade main bodies with different thicknesses or positions can be met without replacing the locking component.
Owner:JIKAI HEBEI MECHATRONICS TECH CO LTD

A kind of automatic assembly machine for gear circlip of transfer case

This invention discloses an automatic assembly machine for transfer case gear retaining rings, relating to the field of gear assembly. It includes an assembly table, with a gear holder mounted on top of the assembly table for securing the gear. Above the assembly table, on one side of the gear holder, is a front-end pressing mechanism for feeding the retaining ring into the gear. Above the assembly table, on the other side of the gear holder, is a rear-end pressing mechanism that works in conjunction with the front-end pressing mechanism to press the retaining ring into the gear. This invention achieves automatic feeding, precise positioning, and stable pressing of the retaining ring through an integrated mechanical structure. The equipment uses a feeding mechanism in conjunction with the pressing mechanism to continuously and smoothly push the retaining ring into the gear to be assembled. Simultaneously, the rear-end pressing mechanism works in tandem with the front-end pressing head to ensure that the retaining ring is evenly stressed and accurately embedded into the retaining ring groove, avoiding deformation and damage caused by manual operation.
Owner:GUANGXI YUCHAI MASCH CO LTD

Electric traction motor shaft assembly

A component (e.g. a bearing 30, gear, clutch, brake, sensor) mounted on a shaft 28 with a retaining ring 32 expandable in a radial direction (e.g. a circlip) to restrict axial movement of the componen
Owner:JAGUAR LAND ROVER LTD

A multi-stage parallel gapless rotating structure

ActiveCN224433339ULow noiseGear wheel
This invention provides a multi-stage parallel backlash-free rotating structure, including an orthogonal transmission assembly. The orthogonal transmission assembly comprises an orthogonal gearbox, five transmission shafts, two shaft elastic retaining rings, two hole elastic retaining rings, five backlash-eliminating gears, locking screws, elastic washers, and two rolling bearings. The orthogonal gearbox has an internal mounting cavity. This invention achieves synchronous output from multiple power sources by driving the transmission shafts of the orthogonal transmission assembly synchronously with a single drive motor. Its technical advantages include: each orthogonal transmission assembly's transmission shaft applies elastic clamping force to the two rolling bearings axially via elastic washers between them, thereby eliminating axial and radial backlash in the rolling elements; simultaneously, the internal backlash-eliminating gear misalignment structure eliminates gear tooth backlash, achieving backlash-free precision rotation and ensuring good synchronization, low noise, and smoothness of each rotating mechanism.
Owner:HEXAGON MANUFACTURING INTELLIGENCE TECHNOLOGY (SHENZHEN) CO LTD