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169results about How to "Quick unlock" patented technology

Quick dismounting device for unmanned aerial vehicle arms

The utility model discloses an unmanned aerial vehicle arm quick release device, which relates to the technical field of unmanned aerial vehicles, and comprises a fixed outer tube, a fixed mechanism is arranged at the top of the fixed outer tube, and a pop-up mechanism is arranged on the front surface of the fixed outer tube. A button moves downwards to drive a pressing block to move downwards, when the pressing block moves downwards, a first extrusion rod is driven to move downwards, at the moment, the first extrusion rod moves downwards and extrudes a first notch formed in the inner wall of a rotating rod, the rotating rod is driven to rotate along a rotating shaft, and the protruding rod drives a first fixing block to move upwards through extrusion of a first notch in the other end on the protruding rod; according to the quick unlocking device, the first fixing block releases limiting of the first extrusion block, the purpose of quick unlocking is achieved, a user can disassemble or replace related parts conveniently, the whole process can be completed only through mechanical linkage between specific structures without the help of additional complex tools, and the operation convenience and efficiency are improved.
Owner:SHAANXI RUOJIN SIYAO NETWORK TECHNOLOGY CO LTD

Self-locking clamping butt-joint fixing device

The utility model relates to the field of assembling of bucket elevators and grain dryers, in particular to a self-locking clamping butt-joint fixing device which comprises a lock hook assembly arranged on a bucket elevator barrel, the lock hook assembly comprises a pull plate rotationally connected with the bucket elevator barrel, and a pull rope and a clamping hook are arranged at the two ends of the pull plate respectively; the locking arm assembly is arranged on the grain dryer barrel, and the locking arm assembly is provided with a clamping groove matched with the clamping hook; the clamping hook of the lock hook assembly can be correspondingly clamped in the clamping groove of the lock arm assembly so that the bucket elevator can be fixedly locked to the grain dryer, and the clamping hook can be separated from the clamping groove by pulling the pull rope so that locking between the clamping hook and the clamping groove can be relieved. No special climbing equipment is needed, the bucket elevator can be quickly locked to the grain drying machine, and meanwhile locking between the bucket elevator and the grain drying machine can be quickly relieved.
Owner:LOVOL HEAVY IND CO LTD

Support adjusting device, child bathtub and child bath rack

The utility model belongs to the technical field of bath goods, and particularly relates to a supporting and adjusting device, a child bathtub and a child bath frame. The second supporting leg is matched with the first supporting leg in a relatively sliding and embedded mode, and the first supporting leg and the second supporting leg can relatively stretch out or retract back; the gear fixing structure is arranged between the supporting leg I and the supporting leg II; the gear fixing structure can be switched between a locking state and an unlocking state; when the gear fixing structure is in an unlocking state, the gear fixing structure is separated from the supporting leg I or the supporting leg II; when the gear fixing structure is in the locking state, the gear fixing structure locks the first supporting leg and the second supporting leg, and the stable supporting effect is achieved. Through cooperation of sliding stretching and gear fixing locking, the operation step of adjusting the angle of the bathtub backrest is simplified, the adaptability and comfort of body position supporting in the washing and nursing process are improved, and use is more convenient and faster.
Owner:ZHEJIANG RUIJIBAO BABY PROD CO LTD

A lower limb supine position rehabilitation aid for sports rehabilitation training

The application discloses a lower limb supine position rehabilitation aid for sports rehabilitation training, which comprises a leg fixing plate and a foot fixing plate, the surface of the leg fixing plate is provided with a sliding rail through fixed installation, the surface of the sliding rail is slidably connected with a sliding piece, the two sides of the foot fixing plate are hingedly connected with semicircular first connecting pieces through first pin shafts, the top of the first connecting piece is fixedly connected with a first pull rod, and one end of the first pull rod is hingedly connected to one side of the sliding piece through a second pin shaft. The different hole positions of the index pin locking hole on the surface of the leg fixing plate are locked and matched with each other through the index pin, the foot fixing plate and the leg fixing plate are fixed at different angles, the setting can meet the demand of the person to be rehabilitated for different angles due to the lower limb condition, and the index pin is matched with the index pin locking hole for fixing, the operation is simple and convenient, and the unlocking and locking can be quickly realized.
Owner:SUZHOU KANGLIAN MEDICAL TECH CO LTD

Multi-stage coaxial mechanism for fiber optic wraparound fibers

The application provides a multi-stage coaxial mechanism for optical fiber winding, a base frame, and a triple shaft structure on the base frame. The triple shaft structure comprises a triple shaft rotating base connected with the base frame, a driven concentric outer shaft, a driving shaft and a driven concentric inner shaft which are sequentially sleeved on the inner side of the triple shaft rotating base and can synchronously rotate. A driven unlocking mechanism is arranged on one side of the triple shaft structure and is used for switching the synchronous or independent rotating state of the driven concentric outer shaft, the driving shaft and the driven concentric inner shaft, thereby solving the problem of rotating mode switching of the optical fiber ring tool skeleton, the fiber separating disc and the optical fiber guide assembly.
Owner:YANGTZE OPTICAL ELECTRONICS CO LTD

A new integrated fishing box

This utility model discloses a novel integrated fishing box, relating to the field of fishing tackle technology. It includes a one-piece molded box body and a lid hinged to the top of the box body. The top surface of the box body has a recessed receiving cavity, and the two outer side walls of the box body have integrally molded protruding mounting portions. Each mounting portion has a handle, and an elastic buckle is provided between the handle and the mounting portion. The bottom of the box body has a mounting block, and the top surface of the mounting block has an internally hollow adjusting shell. A locking seat is fitted inside the mounting block, and the locking seat has a movable through groove in its center. A support member that can enter the adjusting shell or extend from the locking seat is provided within the movable through groove. The side of the locking seat facing away from the box body has a recessed locking groove communicating with the movable through groove. The locking groove contains a locking switch, a first pivot, and a first torsion spring. The locking switch has a locking portion at the bottom and an anti-detachment portion at the top. The side walls of the box body have openings. This utility model uses a one-piece molded box body, enhancing the durability and stability of the overall structure of the fishing box.
Owner:QUANZHOU HENGGUAN ELECTRONICS DEV

Panel assembly and front fan module

The utility model discloses a panel assembly and a front fan module, and relates to the technical field of server structures, the panel assembly comprises a body, a locking piece and an unlocking assembly, the body is provided with a mounting groove, and the body is used for being connected with a fan; the locking piece is provided with a clamping part, the clamping part is movably arranged in the mounting groove, and the clamping part is located at the end, close to the groove bottom of the mounting groove, of the locking piece; the unlocking assembly comprises a handle and a button, and the handle is connected with the body; the button is movably arranged on the handle and is in transmission connection with the locking piece; and the button is configured to drive the locking piece to drive the clamping part to retract into the mounting groove when being pressed. According to the technical scheme provided by the utility model, the problems that the connection between a panel of an existing front fan module and a server is too complicated, a worker needs to use an additional tool to fasten or dismantle the panel when installing the panel of the front fan module, the working efficiency is influenced, and the working efficiency is influenced can be solved. And the maintenance and installation difficulty of the equipment is increased.
Owner:中电长城科技有限公司

Safety guard for fitness equipment

ActiveCN224598700Uquick unlockPrevent interference with normal fitness
The utility model discloses a safety device for body -building equipment, including installation box, one side inside rotatory connection has first bevel gear in installation box, one end outside fixed connection has rotating block in first bevel gear, one side fixed connection has connecting rod in rotating block, the other end fixed connection has support pad in connecting rod, one side engagement connection has second bevel gear in first bevel gear, the tail fixed connection has connecting gear in second bevel gear, the upper portion sliding connection has outer mobile box in installation box, the upper portion fixed connection has rack in outer mobile box, the rack is engaged with connecting gear, the inside sliding connection has inner mobile box in outer mobile box, one side fixed connection has extension plate in inner mobile box the other end, the inside sliding connection has sliding rod in extension plate, one side fixed connection has foot rest in sliding rod, the upper portion fixed connection has push rod in foot rest one side, can when no external person auxiliary, to bench press movement carries out safety protection.
Owner:QUANZHOU EARL SPORTS CO LTD

A seat back adjustment mechanism and a seat

ActiveCN224276900Uquick unlockImprove regulation stabilityArm restsMovable seatsCar seatGas spring
This utility model relates to the field of automotive seat technology, specifically a seat back adjustment mechanism and seat, including a button assembly with a pressing end protruding from the armrest; an unlocking mechanism including an unlocking end and a driving end arranged opposite each other; a linkage assembly, the first end of which is fixedly connected to the connecting end of the button assembly, and the second end of which is fixedly connected to the driving end of the unlocking mechanism; and a gas spring assembly, the fixed end of which is connected to the unlocking end of the unlocking mechanism, and the rotating end of which can be rotatably connected to the seat back. Under the drive of the button assembly, the linkage assembly can pull the unlocking mechanism to rotate relative to the armrest, and the unlocking mechanism can drive the gas spring assembly to move along the axis of the gas spring assembly. Under the action of external force, the seat back can rotate relative to the armrest. This utility model can optimize the overall structural dimensions, improve the aesthetics of the seat, reduce the damage rate and maintenance cost of the button assembly, and improve the reliability of the seat back adjustment mechanism.
Owner:XIAMEN GOLDEN DRAGON AUTO SEAT

Casting burr trimming device

The utility model provides a casting burr trimming device, which belongs to the technical field of processing devices, and comprises a base and a clamping assembly, the base comprises a base and an upper shell part, the clamping assembly comprises a sliding block, a clamping block and a telescopic connecting piece, the clamping block can stably clamp a casting positioned in a processing space from the side surface, and the clamping block is connected with the telescopic connecting piece. By means of the characteristic, the fixing device can meet the fixing requirements of castings of various sizes, small precise parts or large complex structures can be firmly positioned at the needed positions, the sliding blocks drive the castings to rotate so that operators can make contact with all corners of the castings more conveniently, and the operation efficiency is improved. And all burrs and sharp edges are removed, so that the quality of a final product is ensured, and the design not only improves the working efficiency, but also reduces the labor intensity of workers.
Owner:RIYUE HEAVY IND (GANSU) CO LTD

Display screen up-down lock

A display screen up-and-down lock is arranged on LED display screen box frames, is used for connecting two up-and-down adjacent LED display screen box frames, and comprises an upper lock piece and a lower lock piece, and the upper lock piece and the lower lock piece are correspondingly distributed on the upper side and the lower side of the LED display screen box frames respectively and are constructed to be of a structure capable of being locked in an aligned mode. The upper lock piece is provided with a locking part with a lock hole, the lower lock piece comprises a lock rod and a rotating handle, the lock rod comprises a round rod part and a flat head part, the rotating handle is connected with the round rod part at a preset angle, the section of the flat head part comprises a semicircular section and a transition arc section, the lock rod and the lock hole are eccentrically arranged, and the rotating handle is connected with the round rod part at a preset angle. The axis of the lock rod and the axis of the lock hole are in a parallel offset relation, the transition arc section of the flat head portion is in clearance fit with the lock hole so that the flat head portion can be inserted into the lock hole, and the semicircular section of the flat head portion is in eccentric friction contact with the lock hole to form radial interference fit so as to achieve locking. The display screen up-down lock has the advantages of being convenient to operate and capable of preventing looseness.
Owner:SHENZHEN UNIVIEW LED

Reactor rapid cover dismounting device based on titanium sponge production

The utility model discloses a reactor quick cover dismounting device based on titanium sponge production, which comprises an upper cover, a sealing disc, a push block, a locking mechanism and the like, and the sealing disc can quickly compress and loosen the upper edge of a reactor through the matching of a driving disc and a sliding block in the locking mechanism; the device is ingenious in design and easy and convenient to operate, locking and unlocking can be completed only by rotating the hand wheel, and the cover unloading efficiency is greatly improved; meanwhile, the sealing disc ensures good sealing performance of the reactor at high temperature and high pressure, material leakage is effectively prevented, and production safety and stability are improved.
Owner:XIANGYANG YIXIN EQUIPMENT CO LTD

Multifunctional electric screwdriver

PendingCN121946403AReal-time detection of anglesDetect pressure in real timePower driven toolsGyroscopeStructural engineering
The invention relates to the technical field of screwdrivers, and discloses a multifunctional electric screwdriver which comprises a shell, a gyroscope and a pressure sensor which are arranged in the shell, a rotating shaft arranged at the bottom of the shell, a screwdriver blade arranged on one side of the rotating shaft and a telescopic unit arranged at the bottom of the rotating shaft. The telescopic unit comprises an adjusting telescopic assembly arranged in the rotating shaft and a clamping assembly arranged in the adjusting telescopic assembly, the adjusting telescopic assembly is used for adjusting the telescopic screwdriver blade, and the clamping assembly is used for clamping the screwdriver blade. The length of the screwdriver head can be adjusted through the telescopic unit, the screwdriver can adapt to various working conditions of deep holes, narrow grooves, protruding structures and the like, the replacement frequency of the screwdriver head is reduced, and the use cost is reduced. Through cooperation of a rotary knob, a clamping groove, a clamping block, a reset spring, a limiting rod and a limiting groove, single-hand quick unlocking, adjustment and automatic locking are achieved, adjustment is stable and does not move, operation is easy and convenient, positioning is accurate, and the use efficiency and reliability are greatly improved.
Owner:KUNSHAN YU MAO ELECTRONICS CO LTD

A multifunctional tool table for building electrical design

The utility model discloses a building electrical design multifunctional tool table belongs to building electrical technical field, including tool table body, the front side of tool table body top is provided with the storage groove, and the multiple baffle in storage groove divides the space into independent area, can be according to the accurate zoned storage of tool type, avoids all kinds of tools to mix and pile up, and sliding type tool box is used to store commonly used tool specially, effectively solves the tool loss problem of traditional tool table because of disorder, reduces resource waste, makes tool management more rationality, and the push-pull type switch is realized to the cooperation of sliding block and sliding groove of cover plate, and cooperation buckle assembly can complete locking and unlocking quickly, and tool box can be directly along mesa push-pull and use, shortens the tool access time, reduces work interruption, and the flat mesa can be formed after cover plate closes, further expands operation area, solves the mesa disorder problem of traditional tool table tool pile up, reduces the risk of accidental contact tool.
Owner:雷庭金

An X-ray filter grid fixing and indicating handle device

ActiveCN224269323UAdjust two-way synchronization and accuracyquick installationRadiation diagnosticsControl theoryMechanical engineering
This application discloses an X-ray filter grid fixing and indicating handle device, relating to the field of X-ray filter grid fixing devices. It includes a filter grid frame and a slide rail fixed inside the filter grid frame. An adjustment mechanism is slidably arranged on the inner side of the slide rail, and a locking mechanism for locking the adjustment mechanism is fixed at one end of the inner side of the slide rail. The adjustment mechanism includes a fixed plate, with a bidirectional screw rotatably arranged inside one end of the fixed plate. An adjustment shaft is fixedly sleeved on the outer side of the middle of the bidirectional screw rotatably. Clamping blocks are threaded onto both ends of the bidirectional screw rotatably. A bidirectional screw rotatably arranged inside the fixed plate adjacent to the bidirectional screw rotatably, with clamping blocks threaded onto both ends of the bidirectional screw rotatably. This application achieves bidirectional synchronous and precise adjustment of the filter grid, facilitating the rapid installation, disassembly, or replacement of the filter grid, and improving the device's adaptability to different specifications of filter grids.
Owner:SHANGHAI XIONGJIE MEDICAL EQUIP

Telescopic folding component and folding frame with same

The utility model provides a telescopic folding part and a folding frame with the same, the telescopic folding part comprises a base and a limiting ring seat, the base is rotatably connected with four linkage rods, the linkage rods are rotatably connected with the base, the linkage rods are movably connected with supporting sheets, the supporting sheets are rotatably connected with the limiting ring seat, and the limiting ring seat is rotatably connected with the base. The lower end of the base is connected with a movable pipe, a resettable unlocking part is arranged in the movable pipe, the limiting ring seat is movably arranged on the outer wall of the movable pipe, the limiting ring seat is connected with the folding part, and the unlocking part is matched with the limiting ring seat. And folding is more convenient under the cooperation of an unlocking part of the base and the limiting ring seat, and the purpose of rapid folding is achieved.
Owner:XIAMEN HONOR IND & TRADING CO LTD

Tear-resistant and anti-theft clothes label

ActiveCN224067344UPrevent it from being easily cutImprove anti-theft performanceStampsIdentification meansStructural engineeringMechanical engineering
The utility model relates to the technical field of clothing hard labels, and discloses a tear-resistant anti-theft clothing label which comprises two connecting frames, one sides of the two connecting frames are hinged to each other, transparent plates are installed on the surfaces of the two connecting frames in an embedded mode, two magnet blocks are installed on the surface of one connecting frame in an embedded mode, and the two magnet blocks are connected with the transparent plates in an embedded mode. An adsorption plate corresponding to the magnet block is mounted on the surface of the other connecting frame in an embedded manner; by arranging the anti-theft assembly, the two connecting frames and the lock catch assembly, the device can be fixed to clothes through a metal rope, an original label of the clothes can be protected, the situation that a connecting rope of a traditional hanging rope or a clothes label is prone to being cut off is prevented, and the anti-theft performance is improved; and in addition, according to the taking-out mode, limiting of the position of the metal rope can be relieved only through magnet attraction, the existing unlocking mode of the anti-theft magnetic buckle in a supermarket does not need to be changed, only the anti-theft magnetic buckle needs to be replaced with the structure, and the use cost is reduced.
Owner:DONGGUAN FU RUIXIN TRADEMARK CO LTD

Environment-friendly public toilet with rainwater collecting, recycling and flushing device

The utility model discloses an environment-friendly public toilet with a rainwater collecting, recycling and flushing device, which belongs to the field of environment-friendly public toiles.The environment-friendly public toilet comprises a public toilet body, a storage box is fixedly connected to one side of the movable environment-friendly public toilet body, a collecting hopper is fixedly connected to the upper portion of one side of the movable environment-friendly public toilet body, and the collecting hopper is communicated with the storage box through a conveying pipe. The storage box is fixedly connected with the movable environment-friendly public toilet body through an output pipe, a filter frame is arranged in an inner cavity of the storage box, butt joint blocks are fixedly connected to the two sides of the filter frame, and clamping blocks are fixedly connected to one sides of the butt joint blocks; through cooperative use of the devices, the maintenance convenience is improved, the cleanliness and the service life of the filter frame are effectively guaranteed, and a solid foundation is laid for long-term and stable operation of the public toilet.
Owner:ZHENGZHOU HENGJIE ENVIRONMENTAL PROTECTION EQUIP CO LTD

A surge protector with a wiring reinforcement structure

ActiveCN224653188Uachieve double fixationImprove connection reliability
The utility model discloses a kind of line connection reinforcing structure's surge protector, belong to surge protector technical field.It includes body, wiring hole and bolt, further include reinforcing mechanism being arranged above wiring hole.Reinforcing mechanism includes outer ring, the block head of linkage with outer ring, the limit block one being fixed in one side of block head, and including limit block two control component;Limit block two movably set in the other side of block head.Press outer ring to drive block head to slide, limit block one and limit block two are locked from both sides Block head, realize the compression of cable.Body side wall is additionally provided with splicing mechanism, splicing mechanism includes the vice cooperation with the triangular block on another body, for realizing the quick splicing between multiple bodies.The utility model is set reinforcing mechanism and splicing mechanism, solved the wiring in prior art easy to loosen, the problem that multiple protector splicing is complicated, with connection high reliability, security is good, the advantage of easy installation.
Owner:ZHUHAI TELEHOF ELECTRICS CO LTD

Video monitoring device for transformer substation

The utility model discloses a video monitoring device for a transformer substation, and relates to the technical field of monitoring equipment. Comprising a mounting base, the mounting base is provided with a mounting mechanism for video monitoring of a transformer substation, a transmission belt performs transmission work through a driving shaft and a first transmission wheel and a second transmission wheel on a transmission shaft, and a connecting rod on the transmission belt drives a mounting base to move up and down; the mounting base drives the positioning sliding rod to slide in the annular groove, meanwhile, the positioning sliding rod slides on the positioning sliding rail, the moving stability of the mounting base is guaranteed, therefore, the height of the camera body is adjusted, the height of the camera body is flexibly adjusted, the height and the position of different devices in a transformer substation are different, and the camera body can be flexibly adjusted according to the actual monitoring requirement. The camera main body is adjusted to a proper height, so that a clearer and more comprehensive monitoring picture is obtained, the monitoring effect is improved, and the camera main body is directly descended, so that the maintenance is convenient.
Owner:NANJING CHANGYI ELECTRIC POWER TECHNOLOGY CO LTD

A quick-change attachment structure for a skid loader

ActiveCN224647726Uquick lockquick unlock
This utility model relates to the technical field of skid steer loader accessories, specifically a quick-change attachment structure for skid steer loaders. It includes a mounting frame on which a beveled insert plate, a beveled square base quick-change insert plate, and a spring positioning plate are fixedly mounted. The mounting frame is hinged to the loader bucket cylinder and the boom end fork via pins, forming a rigid support base. A beveled cylinder rotatably passes through a mounting hole in the mounting frame, with an external spring providing a return force. A rotating handle is connected to the beveled cylinder via an elastic cylindrical pin, driving it to slide along the beveled surface of the square base. In this utility model, the beveled insert plate conforms to the lower edge of the bucket ramp for guidance, and the quick-change insert plate is flush with the attachment quick-change positioning plate. Rotating the handle raises and lowers the beveled cylinder, which is then locked in place by the spring. Combined with inserting the rotating handle into the attachment positioning hole, quick installation and removal of the attachment are achieved. The operation is convenient, the connection is stable, and it significantly improves the efficiency and reliability of attachment replacement.
Owner:ANHUI HAILONG MACHINERY

A detachable garbage truck hook arm device

This utility model relates to the field of sanitation vehicle technology, and in particular to a detachable garbage truck hook arm device, comprising: a hook arm with a connecting column fixed at its top, the connecting column having a hollow inner cavity, an external thread on its top outer wall, and two symmetrically positioned openings circumferentially on its outer wall; a hook head with a cover fixed at its bottom, the cover having an installation cavity inside, the inner wall of the installation cavity having an internal thread adapted to the external thread of the connecting column; wherein the working swing direction of the hook head is orthogonal to the line connecting the centers of the two positioning openings; a latching mechanism, radially elastically telescopically disposed in the installation cavity of the cover, comprising a latch adapted to the positioning openings; and an unlocking mechanism, slidably sleeved on the outer wall of the connecting column, the sliding path of which covers the positioning openings of the connecting column; the present application aims to provide a garbage truck hook arm device, wherein the hook head can be quickly installed and disassembled, thereby solving the technical problems of difficult, costly, and time-consuming repair and replacement of hook heads after wear in the prior art.
Owner:ZHONGSUI INTELLIGENT AUTOMOBILE CO LTD

Computerized electronic temperature controller

The utility model discloses a computer electronic control temperature regulator relates to computer technical field. This computer electronic control temperature regulator includes regulator mainboard, bearing frame, clamping seat, card block, locking unit. This computer electronic control temperature regulator adopts the clamping design of clamping seat and card block, and the plug -in design of power supply plug and power supply socket, makes the installation and disassembly of the cooling fan become simple and fast, need not use screwdriver and other additional tools, has improved the efficiency of installation and maintenance greatly, through setting locking unit, it is convenient to realize quick locking or unlocking to card block and cooling fan, and the operation is simple and convenient, and locking effect is stable and reliable, effectively prevented the loosening of cooling fan in the operation process, and the temperature regulator can also easily cope with the maintenance and replacement demand of cooling fan under the multiple computer use scene, greatly shorten the maintenance time, improve the work efficiency.
Owner:HUIZHOU TIANYU INFORMATION TECH CO LTD

Radiation-resistant camera with fast-assembly structure

The utility model relates to the technical field of cameras in a high-irradiation environment, and more particularly relates to an irradiation-resistant camera with a fast-assembly structure, which comprises a camera body and a plurality of light sources, the connector is arranged at the top of the camera body, and an insertion end is arranged on the connector; the base is provided with a slot for the insertion end of the connector to be embedded; the locking part is arranged on the base; wherein after the connector is inserted into the base, the locking part is used for locking or releasing the connector on the base. According to the invention, rapid locking and unlocking are realized through a pressing action, and rapid installation of the camera body is realized by adopting the structure, so that the camera is very convenient and practical.
Owner:ZHONGKE NUCLEAR TECHNOLOGY (HANGZHOU) CO LTD

A self-unlocking, self-buffering, rotary-locking multi-section drag-reducing rod and its performance testing method

A self-unlocking, self-buffering, rotary-locking multi-section drag-reducing rod, relating to the field of spacecraft structures, includes an outer shell, an intermediate shell assembly, an inner shell, a gas generator, a self-unlocking component, and a chassis. The intermediate shell assembly is located inside the outer shell, and the inner shell is located inside the intermediate shell assembly. The intermediate shell assembly includes multiple shells nested sequentially. Any two adjacent shells form an outer shell and an inner shell. The top of the inner wall of the outer shell has a raised inner ring segment, and the inner ring segment has multiple rotating U-grooves arranged circumferentially. The outer wall of the inner shell is provided with cylindrical guide pins, which mate with the rotating U-grooves one by one. The chassis is fixedly connected to the bottom of the outer shell. The gas generator is connected to the middle of the chassis and extends into the inner shell. The self-unlocking component is located at the outlet of the gas generator so that the outlet of the gas generator opens after the self-unlocking component is unlocked. This invention solves the problems of large unlocking impact, large positioning impact, and excessive gap in the locking structure of existing multi-section deployable locking drag-reducing rod structures.
Owner:BEIJING INST OF ASTRONAUTICAL SYST ENG

Multifunctional rescue auxiliary device for windowsill fixing

The utility model relates to the technical field of fire rescue tools, in particular to a multifunctional rescue auxiliary device for fixing a windowsill. The multifunctional rescue auxiliary device for fixing the windowsill comprises a supporting square pipe, an abutting square pipe is inserted into the supporting square pipe, and L-shaped plates are installed at the bottom of the supporting square pipe and the top of the abutting square pipe; and a locking part is mounted at a pipe opening in the top of the supporting square pipe. According to the multifunctional rescue auxiliary device for fixing the windowsill, the supporting square tube and the abutting square tube form a telescopic rod structure, the abutting square tube which slides out of the supporting square tube rapidly and outwards is locked and unlocked through the locking component, and after the supporting square tube and the abutting square tube are fixed to the windowsill, the supporting square tube and the abutting square tube are locked and unlocked. The height of the sliding pipe is adjusted along the supporting square pipe according to the actually needed height, then the guide wheel is buckled to the lug piece through the lock catch, and then rescue workers can throw rescue ropes to the downstairs through the guide wheel, so that fire-fighting tools can be rapidly hoisted or the rescue workers can be lowered to the downstairs.
Owner:高涛

A sealed low-noise explosion-proof motor

The utility model provides a sealed low noise explosion -proof motor relates to motor technical field, include: explosion -proof casing, the bottom position of explosion -proof casing is equipped with two steady legs with bolt mounting hole, the one side installation of explosion -proof casing first seal cover, the inside position installation of explosion -proof casing motor body, the other side installation of explosion -proof casing one connection flange, install a group of locking bolt that is annular array distribution between explosion -proof casing and connection flange. Conveying pump has replaced traditional fan heat dissipation, has reduced the generation of mechanical vibration and noise, in the operation process, motor can keep quiet and stable, has improved the working environment significantly, has reduced the influence of noise to operating personnel, the loose frame will a group of bolt fast anti -loose, avoids the seal cover of binding post loose, avoids connection flange loose, operating personnel will loose frame reverse push after can realize the quick unlocking of locking bolt, has improved the practicality and stability of anti -loose.
Owner:江苏肯德动力科技有限公司

Quickly replaceable battery agricultural plant protection unmanned aerial vehicle

The utility model discloses a quick replaceable battery agricultural plant protection unmanned plane belongs to unmanned plane technical field, and only needs to press press block to be able to remove locking when replacing battery, does not need complicated operation or tool, has improved the efficiency and convenience of battery replacement significantly, is especially applicable to the scene that needs frequently replacing battery to prolong the operation time in the agricultural plant protection operation. The quick replaceable battery agricultural plant protection unmanned plane includes unmanned plane frame, and the battery receiving frame is integrally formed and is welded and installed on the unmanned plane frame, the accommodating cavity that the battery body is accommodated is provided on the battery receiving frame, the interface is provided at the bottom in the accommodating cavity, the connecting port that is connected with the interface is installed at the bottom of battery body, the side of battery body is protrudingly provided with the clamping column, and the fixed assembly is installed at the top of battery receiving frame.
Owner:向勇