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74results about How to "Prevent springback" patented technology

Spring buffer capable of preventing springback impact

The invention relates to the technical field of spring buffers, in particular to a springback impact prevention spring buffer which is characterized in that a pipe body and a fixing column are arranged on the surface of a positioning seat, a positioning rod is arranged in the fixing column, the surface of a supporting rod is sleeved with a limiting plate, a bottom plate is arranged at the bottom of the positioning rod, and a buffer rod is inserted into the fixing pipe; the surface of the buffer rod is sleeved with a first buffer spring, and a second buffer spring is arranged in the fixing pipe. The device has the beneficial effects that a first buffer spring and a second buffer spring are matched, a buffer rod is used for buffering and reducing impact force, then when the buffer rod is pressed to move downwards, a positioning rod can be pressed, and therefore the limiting effect of a positioning plate on a limiting plate can be lost, the limiting plate can be pushed through a second spring, and the service life of the limiting plate is prolonged. Therefore, one end of the fixing plate can be clamped into the positioning clamping groove, the buffer rod can be limited by inserting the fixing plate into the positioning clamping groove, and the situation that the buffer rod rebounds due to the fact that the first buffer spring and the second buffer spring are pressed is avoided.
Owner:JIANGSU JIMAO MASCH CO LTD

VDI type turret turning and milling composite machine tool

ActiveCN222589004Uachieve fixationRealize automatic fixationStructural engineeringMachining process
The utility model discloses a VDI type turret turning and milling composite machine tool which comprises a base, a working shell is fixedly connected to the upper end face of the base, a center control panel is arranged on the working shell, a mechanical chuck is arranged on the inner wall of the working shell, and a supporting block is fixedly connected to the inner wall of the side, close to the base, of the working shell. A supporting block is arranged on the working shell, a guide rail is fixedly connected to one side wall of the supporting block, a connecting block is arranged on the inner wall of the working shell, a VDI tool turret is arranged on the connecting block, the connecting block is slidably connected to the guide rail, and an operation opening and a sliding groove are formed in the working shell. The closed protective door can be automatically fixed, the opened protective door can also be fixed, the protective door is prevented from rebounding, a user can conveniently carry out loading and unloading work, the portability of the device is improved, meanwhile, chippings generated in the machining process can be blown to the discharging opening to be discharged out of the working shell, and the working efficiency is improved. Automatic cleaning of the device is achieved, and the workload of workers is reduced.
Owner:YUHUAN HAOZE MACHINE TOOL CO LTD

Multi-way solenoid valve with contact plate

ActiveCN224592789UAvoid short circuit problemsImprove job stabilitySolenoid valveStructural engineering
The utility model discloses a kind of multi-pass solenoid valve with power connection plate, comprising: multiple valve bodies and power connection plate, each valve body has a pair of same direction projecting insert, the power connection plate includes: multiple metal sheets for the conductive connection of the insert and power supply, and plastic layer covering the metal sheet, the metal sheet has wiring end connected with power supply and insert connection plug-in end, the plastic layer exposes the wiring end and the plug-in end, characterized in that, between adjacent two metal sheets, there is the bending part formed by punching cutting, the plastic layer is provided with at least part recess of covering the bending part, to prevent the rebound of bending part, thereby avoid the short circuit problem that multi-pass solenoid valve appears when working.
Owner:HANYU GRP CO LTD

Bag folding mechanism for a bag opening machine

This utility model discloses a bag-folding mechanism for a bag-opening machine, including a worktable with a positioning window. An upper folding knife assembly and a lower folding knife assembly are correspondingly arranged above and below the positioning window. The upper folding knife assembly includes a lifting and lowering fixed plate, upper left and upper right folding knives mounted on the fixed plate, and front and rear folding knives arranged horizontally. The lower folding knife assembly includes a lifting and lowering mounting plate and lower left and lower right folding knives arranged horizontally on the mounting plate. The upper folding knife assembly descends into the cut bag opening. The front and rear folding knives move back and forth to fold the front and rear edges of the bag opening. The upper left and upper right folding knives descend synchronously with the fixed plate to fold the left and right edges of the bag opening downwards. Then, the lower left and lower right folding knives of the lower folding knife assembly move horizontally left and right to further fold the downward-folded left and right edges and press and shape the folded edges, ensuring the quality of subsequent bag opening sewing.
Owner:ZHEJIANG DINGNIU INTELLIGENT MFG CO LTD

Electromagnetic oven panel gluing equipment

PendingCN122273728Aquick stretchSolve the problem of easy drawingAdhesiveTorsional deformation
This invention relates to the field of adhesive coating technology and discloses an adhesive coating device for an induction cooker panel, including a base, a linear guide rail on the base, a spray gun fixedly mounted on the linear guide rail, the spray gun including an adhesive supply pipe and a movable nozzle, a back suction valve on the adhesive supply pipe, a fixed pipe connecting the adhesive supply pipe and the movable nozzle, the fixed pipe being fixedly connected to the linear guide rail, a limit cylinder coaxially fixedly mounted on the fixed pipe, the movable nozzle coaxially mounted inside the limit cylinder and connected to the fixed pipe through a cylindrical elastic membrane, a magnet fixedly mounted on the movable nozzle, and a winding coaxially mounted on the limit cylinder; this application achieves rapid stretching and breaking of the adhesive by driving the movable nozzle to rotate circumferentially and causing the elastic membrane to undergo helical torsional deformation, forming an axial tensile force that drives the movable nozzle to move axially, thereby achieving rapid stretching of the adhesive and breaking it. At the same time, combined with the back suction effect of the back suction valve and the pressure-holding design of the elastic membrane, it effectively solves the problem of easy stringing of the adhesive at the end of the coating process.
Owner:ELECTROLUX (HANGZHOU) DOMESTIC APPLIANCES CO LTD

Wall tile leveling device for indoor decoration

The utility model discloses a wall tile leveling device for indoor decoration, which belongs to the technical field of indoor decoration, aims to solve the problem of high labor intensity caused by the fact that a rubber plate needs to be pressed all the time during use, and comprises a supporting plate, a convex frame is fixedly connected to the top of the supporting plate, and limiting blocks are slidably connected to the inner walls of the two sides of the convex frame. According to the wall tile leveling device, the two pressing plates are arranged, when the wall tile leveling device is used, the two pressing plates are pressed at the joint of two wall tiles, the threaded rod is rotated to drive the driving block to descend, the driving block descends to drive the two first connecting rods to rotate outwards at the same time, and therefore the two connecting blocks drive the two pressing plates to move outwards at the same time, and the wall tiles are leveled; according to the wall tile seam balancing device, wall tile seams are tidy and smooth, the situation that uneven tile seams affect the wall effect is avoided, meanwhile, the threaded rod rotates to drive the pressing plate to move and apply pressure, pressure balancing can be evenly conducted on the seam positions, wall tile springback is avoided, and the labor intensity of workers is relieved.
Owner:SHENZHEN ZHONGSHI SOUTH CONSTR ENG CO LTD

Clamping jaw control parking structure

The utility model relates to the technical field of automobile engineering, in particular to a clamping jaw control parking structure which at least comprises a buckle valve sleeve part assembly and an electromagnetic part assembly, and the buckle valve sleeve part assembly and the electromagnetic part assembly are fixedly connected with a bent closing opening of a valve shell through the characteristics of a flange plate protruding out of the end of a valve sleeve. The electromagnetic part assembly comprises a valve shell, a gasket, a PIN protection cover, a dustproof cover, two PINs, a solenoid, a rear yoke sleeve and a magnetic core. The gasket is of an injection molding structure and is arranged between the valve shell and the valve sleeve. The clamping spring is mechanically buckled with the outer circle of the large valve element through a sectional structure, and the locking state can still be kept when the electromagnetic valve fails. Even if the electromagnetic force or the spring force disappears, the arc of the clamping spring can still tightly buckle the outer circle of the large valve element, the large valve element push rod is prevented from rebounding, the parking failure risk is completely eradicated from the mechanical structure, the gearbox safety is protected, and double safety guarantees are formed.
Owner:MIANYANG SIFU MECHANICAL & ELECTRICAL TECH CO LTD

Tool-free buckle type hoop device for underground pipeline monitoring

The utility model provides a tool-free buckle type hoop device for underground pipeline monitoring, which relates to the technical field of engineering monitoring and comprises an upper hoop, a hoop fixing component is arranged on the lower side of the upper hoop, a spring sleeve is welded to the center of the inner side of a slot, a telescopic spring is mounted on the inner side of the spring sleeve, and the telescopic spring is connected with the hoop fixing component through a bolt. Sleeve holes are formed in four corners of the spring sleeve; according to the hoop fixing assembly, the rack below the upper connecting plate is clamped into the inserting groove of the lower connecting plate along with the upper hoop, the rack can extrude the telescopic toothed plate to be meshed with the telescopic toothed plate, in the process, the telescopic spring is pressed to generate elastic force to push the telescopic toothed plate to be meshed tightly, firm connection is ensured, looseness is prevented, and the service life of the telescopic toothed plate is prolonged. And the two sets of racks are synchronously meshed with the telescopic toothed plate, a double-locking mechanism is formed, the tensile strength is enhanced, it is guaranteed that no displacement exists at the connecting position, and the durability of the whole structure is improved.
Owner:ZHIDI ENGINEERING TECHNOLOGY (SHENZHEN) CO LTD

Battery protection plate pressure maintaining mechanism

ActiveCN224696776UEasy to fixStable molding shapePlate pressureElectrical battery
The utility model relates to a kind of battery protection plate pressure maintaining mechanism, including locating seat, holding component and pressure maintaining component;The locating seat is equipped with the locating part for placing battery protection plate, the holding component and pressure maintaining component are oppositely arranged on the both sides of the locating part, the holding component is configured to abut and fix the battery protection plate from one side, the locating seat is equipped with the first pressure maintaining inclined plane in the side towards the pressure maintaining component, the pressure maintaining component is configured to be close to the locating part from the other side, to clamp the part to be pressure maintained of the battery protection plate between the first pressure maintaining inclined plane and the pressure maintaining component. The utility model can realize the effective positioning and pressure maintaining of product, avoid rebound, improve the quality and reliability of product.
Owner:GUANGDONG DESAI SILICON PRASEODYMIUM TECH CO LTD

Ice discharge device control method, door assembly, and storage medium

The application provides an ice outlet device control method, a refrigerator door body assembly and a computer readable storage medium. The ice outlet device control method comprises the following steps: after receiving an ice outlet opening signal, a motor is controlled to run in a first direction at a first pulse frequency to drive a cover plate assembly to rotate from a closed position for closing the ice outlet to an open position; when the motor runs a first preset number of revolutions, the motor is controlled to be turned off; wherein the motor is a self-locking motor, a rotation angle corresponding to the first preset number of revolutions is greater than an angle of the cover plate assembly rotating from the closed position to a limit open position, and the first pulse frequency is greater than a rated pulse frequency of the motor.
Owner:CHONGQING HAIER REFRIGERATION ELECTRIC APPLIANCE CO LTD +2

Landscape frame special for garden design

The utility model particularly relates to a special landscape frame for garden design, which relates to the technical field of garden design and comprises a supporting structure, a threaded column is fixedly connected to the top of the supporting structure, a plurality of groups of adjusting nuts are in threaded connection with the threaded column, and connecting rings are rotatably connected to the tops of the adjusting nuts. The outer edge face of the connecting ring is fixedly sleeved with an annular plate, a plurality of sets of inserting grooves are formed in the bottom of the annular plate at equal angles, inserting assemblies inserted into the inserting grooves are slidably arranged between the side walls of the two ends of the inner cavity of the shell, and limiting assemblies are slidably arranged on the side walls of the inner cavity of the shell. A plurality of groups of telescopic assemblies are symmetrically arranged on the outer edge surface of the connecting ring at equal angles, and the inserting assemblies are inserted into the corresponding inserting grooves again under the action of self elasticity, so that limiting and fixing of the connecting ring by the inserting assemblies are recovered, and therefore, the connecting ring is not easy to rotate when encountering strong wind weather, and the service life of the connecting ring is prolonged. Therefore, the probability that the flowerpot in the placing box is thrown out is reduced.
Owner:武汉中匠艺峰环境艺术设计工程有限公司

A stamping piece rebound-free angle flanging and bending device

The utility model discloses a kind of stamping part reboundless angle flanging bending devices, it is related to flanging bending technical field, including device main body, the front end of device main body is fixedly installed with article placing table, the rear end of article placing table is installed with bearing die, first installation slot is provided on article placing table, movable mounting is carried out in the inside of first installation slot, third electric telescopic cylinder is fixedly installed in the inside of first installation slot, first telescopic cavity is arranged in the inside of mobile seat, clamping block is slidably installed in the inside of first telescopic cavity, the front side of device main body is installed with mounting bracket, first electric telescopic cylinder is installed above mounting bracket, the lower of mounting bracket is installed with mould pressing, this flanging bending device installs two groups of clamping mechanisms on article placing table, from both sides to the stamping part clamped and fixed on article placing table, stamping part is placed in stamping process and prone to stress to lift up and deviate, avoid rebound, improve flanging bending quality of stamping part.
Owner:KUNSHAN KEMAOSEN PRECISION ELECTRONICS CO LTD

Composite distal balloon airbag pull strap

ActiveCN224323958Ukeep flatMaintain surface shape
The utility model relates to the technical field of safety air bag, concretely relates to a far end air bag air bag pull belt of composite structure, including air bag, the air bag is composed of two air bag main pieces, is provided with the composite pull belt mechanism between two air bag main pieces, the composite pull belt mechanism includes horizontal limiting pull belt mechanism and longitudinal limiting pull belt mechanism, horizontal limiting pull belt mechanism is used for limiting air bag horizontal expansion, longitudinal limiting pull belt mechanism is used for limiting air bag longitudinal expansion, and the composite pull belt mechanism is formed through C type pull belt and X type pull belt, and C type pull belt limits air bag longitudinal excessive expansion, and X type pull belt controls horizontal volume, makes air bag realize optimal protection coverage in limited space, improves air bag use effect.
Owner:WUHU JINAN SHITENG AUTOMOBILE SAFETY SYST

Positioning labeling mechanism for plastic packaging bag labeling machine

The utility model discloses a positioning labeling mechanism for a plastic packaging bag labeling machine, and relates to the technical field of plastic packaging bag production, the positioning labeling mechanism comprises a support plate and a roller body, the top of the roller body is connected with a baffle block, the bottom of the baffle block is connected with a first non-slip mat, one side of the baffle block is connected with a baffle strip, and the inner ring of the baffle strip is connected with a second non-slip mat; a connecting piece is fixed to one side of the barrier strip, a plurality of clamping grooves are formed in the top of the connecting piece, a spring is connected into the stop block, and a clamping block is connected to the top of the spring. Through the arrangement of the stop block, the barrier strip, the connecting piece, the clamping groove, the clamping block and the spring, when the positions of the stop block and the barrier strip need to be adjusted, the clamping block is pressed down to displace the clamping block to compress the spring, and then the diameter of the barrier strip is increased by bending the barrier strip; compared with the mode that the wrench is held twice, the wrench is inserted into the bolt to rotate several circles, the check ring is operated and the wrench is taken out, operation is convenient and fast, and tools are not needed.
Owner:GUANGDONG DEFENG MATERIAL CO LTD

A high current low height relay

The invention discloses a high-current low-height relay, comprising an elastic reset member, a movable spring part and an armature; the movable spring part comprises a bridge movable spring piece and four movable contacts fixed at both ends of the bridge movable spring piece; the middle of the bridge movable spring piece is fixed on the armature and the movable contacts at both ends of the bridge movable spring piece are located on both sides of the armature; a first slit is also provided between the two movable contacts at the same end of the bridge movable spring piece, one end of the first slit passes through the bridge movable spring piece, and the other end of the first slit extends toward the middle of the bridge movable spring piece, so that the two movable contacts at the same end of the bridge movable spring piece are in parallel relationship; the two first slits extending toward the middle from both ends of the bridge movable spring piece do not intersect in the middle, so that the movable contacts at both ends of the bridge movable spring piece are connected in series. The invention can effectively reduce the height of the relay on the basis of ensuring that the relay has certain performance indicators, and can also solve the temperature rise problem caused by the small volume.
Owner:XIAMEN HONGFA AUTOMOTIVE ELECTRONICS CO LTD

Pushing device for automatically clamping, unlocking and keeping spring piece pull head

The utility model provides a pushing device capable of automatically clamping, unlocking and keeping a spring piece puller, and relates to the technical field of zipper puller assembly.The pushing device comprises a supporting module and a pushing module, the supporting module comprises a first rail, a first sliding block is connected to the first rail in a sliding mode, a pushing base is fixedly arranged on the first sliding block, the pushing module comprises a second expansion piece, and the second expansion piece is connected with the first sliding block in a sliding mode. The driving end of the second expansion piece is fixedly connected with the pushing seat to push the pushing seat to move along the first track, an overturning module and a pull piece opening module are installed on the pushing seat, a pull head clamping module is connected to the overturning end of the overturning module, the pull piece opening module is provided with a piece opening plate, the pull head clamping module comprises a clamping groove b matched with a pull head in appearance, and the clamping groove b is provided with a clamping groove b matched with the pull head in appearance. The clamping groove b is used for vertically inserting a pull head from the upper part, the slicing plate is located below the clamping groove and forms interference with a pull piece, the turnover module pulls the pull head clamping module to vertically turn over, the pull head and the pull piece are pulled to form 90 degrees and are kept in a state, and the problem that the pull piece falls down due to the fact that an air cylinder pushes the pull piece in the prior art is solved.
Owner:CHANGSHOU CITY AWESOME ZIPPER EQUIP CO LTD

Temperature sensor capable of realizing flexible installation

The utility model relates to the technical field of temperature sensors, in particular to a temperature sensor capable of realizing flexible installation, which comprises an NTC (Negative Temperature Coefficient) thermistor, the right part of the outer surface of the NTC thermistor is sleeved with a first heat shrink tube, the left end of the first heat shrink tube is fixedly connected with a second heat shrink tube in a penetrating manner, the left end of the NTC thermistor is fixedly connected with two leads, and the two leads are fixedly connected with the NTC thermistor. The left ends of the two leads are jointly and fixedly connected with a connector, the outer surface of the NTC thermistor is coated with a heat conduction silicone grease layer, the outer surface of the first heat shrink tube and the outer surface of the second heat shrink tube are both coated with insulation protection layers, two connecting ports are formed in the right end of the connector, and the outer surfaces of the two leads are both coated with protection layers. According to the temperature sensor capable of realizing flexible installation, the heat conduction silicone grease layer, the first heat shrink tube and the second heat shrink tube are arranged on the whole temperature sensor, so that the space utilization rate can be improved, and the response speed of the NTC probe is greatly shortened.
Owner:GUANGDONG WANNUO SENSOR TECH CO LTD

Thread end bending device for electronic detonator

PendingCN119608997ASimple and accurate operationprevent springbackPhysicsSupport plane
The invention discloses a thread end bending device for an electronic detonator, the thread end bending device comprises an equipment box body and a support frame arranged at the top of the equipment box body, a bending cavity is arranged in the equipment box body, a positioning structure is arranged in the bending cavity, the support frame is provided with a pressing and bending structure corresponding to the positioning structure, and the pressing and bending structure is arranged on the equipment box body. The two are matched to realize flexible bending of the wire end; the positioning structure comprises a heating guide rod, a supporting spring and a positioning plate, the heating guide rod is installed on the side wall of the bending cavity, one end of the positioning plate is hinged to the side wall of the bending cavity and located below the heating guide rod, a positioning protruding block is arranged on the positioning plate, a supporting block is further arranged on the inner side wall of the bending cavity, and the supporting spring is arranged on the supporting block. One end of the supporting spring is installed on the supporting block, and the other end is installed at the bottom of the positioning plate. The invention relates to the technical field of electronic detonator processing, and particularly provides a thread end bending device for an electronic detonator.
Owner:NINGXIA TIANCHANGMIN EXPLOSIVE EQUIP CO LTD

Feeding channel of bearing arranging table

The utility model discloses a feeding channel of a bearing arranging table, which relates to the field of corrugated paper trays, and is characterized in that the feeding channel comprises a base and a channel main body, the top end of the base is provided with a lifting assembly for driving a rotating assembly to lift, and the base is fixed with a frame-shaped plate through a transmission end of the rotating assembly and a connecting rod; protrusions are arranged on the two sides of the channel body so as to be attached to the inner surface of the frame-shaped plate, so that the channel body can linearly move along the frame-shaped plate, and after the channel body moves to a proper position, the positions of the frame-shaped plate and the channel body are fixed through a locking structure. Burdens of the arranging table and the conveying device can be effectively reduced, and faults of the arranging table and the conveying device are avoided.
Owner:JIANGSU QIANCHAO BEARING

Anti-springback plate rolling machine

The utility model relates to the technical field of plate bending machines, and provides an anti-springback plate bending machine which comprises a bottom frame, the surface of the bottom frame is detachably connected with a supporting frame, the inner side of the supporting frame is slidably connected with a movable block, the inner side of the movable block is rotatably connected with an upper rotating roller, and the inner side of the supporting frame is rotatably connected with a lower rotating roller. The outer surface of the supporting frame is connected with an anti-rebound structure, and an adjusting structure is connected between the movable block and the supporting frame. The anti-rebound structure comprises a sliding groove formed in the outer surface of the supporting frame, a sliding block is slidably connected to the inner side, corresponding to the sliding groove, of the supporting frame, an electric cylinder is fixedly connected to the position, corresponding to the sliding block, of the outer surface of the supporting frame, an extension rod is fixedly connected to the outer surface of one side of the sliding block, and a positioning column is rotationally connected to the outer surface of the extension rod. By means of the technical scheme, the problems that an existing plate rolling machine limits plates through limiting grooves, rebounding of the plates is mainly achieved at the positions of the two ends of the plates in actual use, and the existing plate rolling machine does not have a good positioning or limiting function at the positions are solved.
Owner:霸州市卓远金属制品有限公司

LED panel lamp with adjustable illumination range

The invention discloses an illumination range adjustable type LED panel lamp, and belongs to the technical field of LED lamps, the illumination range adjustable type LED panel lamp comprises a lamp holder, an adjustable lamp bead assembly is arranged below the lamp holder, a lampshade is arranged below the adjustable lamp bead assembly, connecting rods are arranged at the two ends of the upper portion of the lamp holder, a mounting seat is arranged above the connecting rods, and mounting holes are formed in the two ends of the mounting seat; a heat dissipation assembly is arranged in the middle of the upper portion of the lamp holder, a convenient disassembly and assembly assembly is arranged at the connecting position of the lamp holder and the lampshade, and a connecting assembly is arranged at the connecting position of the connecting rod and the mounting base. The lamp cover can be quickly disassembled and assembled, the interior of the lamp is cleaned and maintained, the use convenience is high, and the connecting assembly is arranged, so that the lamp can be quickly disassembled, and screws do not need to be unscrewed.
Owner:JIANGXI ZHONGLEI BIOMETRICS TECH CO LTD

Explosive bolt collection device and its design method suitable for compact axial space

This invention belongs to the field of aircraft separation structure design technology, specifically relating to an explosive bolt collection device and its design method suitable for compact axial space. The method includes: Step 1, determining the initial velocity and initial kinetic energy of the explosive bolt remnant; Step 2, selecting buffer structure connecting fasteners based on the initial kinetic energy of the explosive bolt remnant calculated in Step 1; Step 3, designing the collection structure based on the initial kinetic energy of the explosive bolt remnant calculated in Step 1 and the buffer structure connecting fasteners selected in Step 2; Step 4, conducting numerical simulation analysis and ground tests on the bolt collection device designed in Steps 2 and 3 to verify the feasibility of the design method for an explosive bolt collection device suitable for compact axial space. This invention can solve the problems of complex structure, high axial space requirements, and the risk of rebound in explosive bolt collection devices.
Owner:XIAN MODERN CONTROL TECH RES INST

Aramid yarn two-for-one twisting mechanism with automatic yarn clamping function

The utility model discloses an aramid fiber yarn two-for-one twisting mechanism with an automatic yarn clamping function, which belongs to the field of aramid fiber yarn two-for-one twisting mechanisms, and comprises a rack and an arranged automatic yarn clamping mechanism, when equipment breaks down to cause the springback phenomenon of yarns, an air cylinder drives an output end to drive an extrusion block to move backwards, and the automatic yarn clamping mechanism is used for clamping the yarns. The extrusion blocks no longer extrude the pressed blocks in the two side directions, after the compression springs on the fixing rods conduct stretching recovery operation, the connecting plates are pushed in the opposite directions, the connecting plates move along the fixing rods through the connecting holes in the side walls, and at the moment, the symmetrical wire clamping plates conduct synchronous relative movement operation and are matched with the wire clamping grooves formed in the opposite face walls, so that the wire clamping plates can be fixed. The yarn penetrating through the yarn guide holes formed in the top faces of the yarn guide plates which are symmetrical up and down is automatically clamped under the elastic acting force, so that the problem that the yarn rebounds is solved, and the aramid yarn two-for-one twisting mechanism has the automatic yarn clamping function.
Owner:SHANTOU MINGDA TEXTILE CO LTD

Bidirectional synchronous electric valve mechanical transmission structure

The utility model discloses a two-way synchronous electric valve mechanical transmission structure which comprises a motor, a one-way transmission gear set and a valve body, a first worm gear is arranged at the end of the motor, the one-way transmission gear set is provided with a second worm gear, output shafts are arranged on the two sides of the second worm gear respectively, transmission gears are arranged at the ends of the two output shafts respectively, and the transmission gears are connected with the first worm gear and the second worm gear respectively. The first worm gear is meshed with the second worm gear so that transmission gears at the ends of the output shafts on the two sides can be driven to rotate, rubber valve elements are oppositely arranged on the two transverse sides in the valve body, the ends of the rubber valve elements are fixedly connected with valve element top plates, and threads are arranged on the inner wall of the valve body and the surfaces of the valve element top plates. The valve core top plate is connected with a top rod gear through a push rod, the top rod gear is meshed with the transmission gear, a packing box is longitudinally arranged on the valve body, a pumping unit polish rod is arranged in the packing box, and the pumping unit polish rod extends to the position between the two rubber valve cores.
Owner:XINJIANG ZHONG LING ENG & TECH CO LTD

A positioning assembly for fixed length cutting on a cutting machine

The utility model discloses a positioning assembly is cut to fixed length on cutting machine belongs to cutting machine accessories field, including positioning stand and cutting machine, the positioning stand is installed in the one end of cutting machine through the mounting plate bolt of one end, both sides of positioning stand all are equipped with scale board, the top sliding connection of positioning stand has the movable baffle, the movable baffle is equipped with the buffer structure for slowing down material impact force on the one side to cutting machine, both sides of movable baffle are equipped with the self -locking structure for self -locking, this positioning assembly is cut to fixed length on cutting machine, can buffer material in the process of material extension and prevent collision damage, when material moves and completed, the buffer structure resets, prevents material springback, through setting self -locking structure, can realize self -locking through the resistance board cooperation inclined groove after the baffle adjustment position, effectively prevent the problem that baffle displacement leads to collision for a long time.
Owner:HENAN DUODUO FLOWER CRAFTS CO LTD

Tower crane electrical emergency circuit fixing device

The invention relates to a tower crane electrical emergency circuit fixing device, and belongs to the technical field of tower crane operation auxiliary facilities. Comprising a tower crane handrail body, an L-shaped mounting plate is arranged on one side of the tower crane handrail body, a vertical mounting plate is arranged on the other side of the tower crane handrail body, a plurality of limiting rods are arranged at the bottom end of the tower crane handrail body, the limiting rods are fixedly connected with the L-shaped mounting plate, and the limiting rods are connected with the vertical mounting plate in a clamped mode; a plurality of second dovetail grooves are formed in the bottom end of one side of the L-shaped mounting plate in a penetrating mode, second dovetail blocks are connected to the interiors of the second dovetail grooves in a clamped mode, and a mounting base is fixedly connected to the other ends of the second dovetail blocks. And a plurality of fixing assemblies are arranged at the other end of the L-shaped mounting plate. The combined design of the claw-type clamping blocks and the flexible iron sheets is adopted, the opening and closing amplitude can be adjusted according to the diameter of the cable, and emergency cables of various diameters can be adapted conveniently.
Owner:SICHUAN HONGSHENG HEAVY IND MASCH CO LTD

Positioning device for inner ring of non-disc-shaped end face spring plug sealing piece

ActiveCN224169683Uprevent springbackAccurate positioningWork holdersPiston rodFace seal
The utility model discloses a positioning device for an inner ring of a sealing element of a non-disc type end face spring plug seal, and relates to the technical field of spring plug seals. The sealing device comprises a bottom plate and a sealing piece, wherein a positioning mechanism is arranged on the bottom plate. Through the arrangement of the positioning mechanism, in the process that the two moving seats continuously move away from each other, the multiple springs can generate different deformation according to the radian of the inner side of the PEEK fixing ring, at the moment, the electric valve is closed to separate the sealing cavity from external air, the multiple springs are prevented from rebounding, and the sealing effect is improved. The positioning rods are arranged on the bottom plate, so that the PEEK fixing ring can be positioned at the center of the top of the bottom plate by the positioning grooves in the positioning rods, the sealing element can be accurately positioned and fixed during assembly, deviation in the subsequent use process is avoided, and after the PEEK fixing ring of the same model is positioned by the mechanism, the sealing element can be accurately positioned and fixed. And a plurality of PEEK fixing rings are sequentially positioned and assembled according to the adjusted piston rod, so that the efficiency of assembling a plurality of sealing elements with the same model is improved.
Owner:SUZHOU LISASI SEALING TECH CO LTD