41results about How to "Prevent accidental fall off" patented technology

The utility model discloses an intellectualized safety control take-up straining device, including handle subassembly, base subassembly and long braid, handle subassembly includes handle and ratchet wheel, base subassembly includes base, handle and base are pivoted and rotatingly connected through take-up shaft, ratchet wheel is fixed on take-up shaft, and the winding drum is fixed between the ratchet wheel, and the long braid is fixed on the base. The ratchet wheel, the winding drum and the tape winding shaft rotate synchronously, the winding drum is sleeved outside the tape winding shaft and is coaxially arranged, an opening for the long braid to pass through is arranged on one side of the winding drum, one end of the long braid is sleeved on the tape winding shaft and is led out from one end of the base through the opening on the winding drum, one end of the tape winding shaft is connected with the coil spring assembly, and the coil spring assembly comprises a coil spring, a coil spring box and a coil spring box cover. The coil spring box is covered with the coil spring box, a brake assembly is further arranged in the coil spring box, and one end of the tape winding shaft can be provided with a C-shaped opening, an eccentric shaft or a concentric screw hole according to the structure of the brake assembly. According to the utility model, the long braid can be prevented from swinging to hurt an operator, and the personal safety of the operator is guaranteed.

The invention discloses a handheld charging drill with a charging function, and relates to the technical field of handheld charging drills, the handheld charging drill comprises a shell, a battery assembly is fixedly connected to the middle of the inner wall of the shell, a fixing block is fixedly connected to the top of the shell, a sliding groove is formed in the outer side of the fixing block, and the battery assembly is fixedly connected to the middle of the inner wall of the shell. A fixing plate is fixedly connected to the top of the fixing block, a protruding block is fixedly connected to the end, away from the fixing block, of the fixing plate, and a circular groove is formed in one side of the protruding block. According to the handheld charging drill with the charging function, the protruding block is driven by the fixing plate to be located in the limiting hole, so that it can be ensured that stable connection is formed between the charging assembly and the electric drill body, and by means of the tight connection mode, a battery can be effectively prevented from accidentally falling off in the using process of the electric drill; meanwhile, the fixing blocks and the fixing plates are symmetrically arranged on the two sides, so that the charging assembly is not prone to falling off under the conditions that the charging assembly is vibrated, impacted and the like.

The intelligent grinding equipment for manufacturing comprises a grinding machining box, a positioning feeding mechanism is arranged in the grinding machining box, the positioning feeding mechanism comprises rotating rollers rotationally connected to the two sides of the inner wall of the grinding machining box, and the rotating rollers at the two ends of the grinding machining box are sleeved with a conveying belt; and placing discs are fixedly connected to the conveying belt at intervals, a supporting frame is fixedly installed on one side of the inner wall of the grinding machining box, and a driving rack is fixedly connected to one side of the supporting frame. Floating oil seals are stacked and placed between the stacking plates, so that the floating oil seals can better adapt to different shapes and sizes, clamping stability and accuracy are improved, oil seals of various sizes can be treated, placing discs on a conveying belt are driven to be conveyed in order in a grinding machining box, the placing discs make contact with driving sliding blocks on the two sides, and the grinding machining efficiency is improved. And the intermittent discharging assembly is driven to intermittently and independently put down the stacked floating oil seals into a containing disc, continuous work of grinding equipment is ensured, and the overall production efficiency is improved.

The utility model relates to big pipe frame processing technical field, and specifically is a kind of oil ship big pipe frame anti-toppling tool, including big pipe frame base material, further including clamping plate, two clamping plates are symmetrically installed, and big pipe frame base material is clamped and fixed, inner gasket is fixedly arranged in the inner side of clamping plate, the friction of clamping plate and big pipe frame base material is increased, upper fixed pipe, lower fixed pipe are fixedly arranged in the diagonal outer side of clamping plate, and the upper fixed pipe of same side, lower fixed pipe middle part are slidably inserted with fixed pin, and fixed pin is used to connect two clamping plates, the utility model is fixedly connected by two clamping plates symmetrically clamping big pipe frame base material, and two clamping plates are fixedly connected using fixed pin, form rigid fixing to big pipe frame, prevent big pipe frame from toppling and hurting in the welding process, improve the operation safety, do not need to carry out welding and polishing operation on big pipe frame base material, not only avoid the thermal damage to big pipe frame base material, but also save the process of welding temporary tool and subsequent grinding.

The utility model discloses a suspensible modular wireless charging storage device for office scenes, which integrates the functions of wireless charging, modular storage and suspension, and comprises at least one product shell, a V-shaped storage groove, a card storage groove, a W-shaped storage groove and an elastic storage groove are arranged on the front end surface of the product shell, and the device can be butted and spliced left and right and can be connected with a mobile phone wireless charging groove. The V-shaped storage groove is used for fixing long-strip-shaped articles, the card storage groove is matched with card type articles, the W-shaped storage groove is matched with small office supplies of different sizes, the elastic storage groove clamps small articles, the device is further provided with a hidden winding bin for managing cables, the top of the device is provided with a hanging connector, the bottom of the device is provided with a base and an anti-skid rubber pad, and all the components can be connected in an inserted mode or a mortise and tenon mode or a magnet mode. According to the device, the space utilization rate is optimized, the problems that office table cables are disordered, small objects are scattered and the like are solved, the device is suitable for various office table top scenes, and the using convenience and flexibility are improved through the modular design.

The utility model discloses a composite multi-channel connector, which adopts an innovative structural design of a plug assembly and a socket assembly to realize power supply signal integrated transmission. The plug assembly comprises a nested insulator and a split type shell structure, a fixed shell and a sleeve shell are assembled and linked through a clamping ring groove and a clamping protrusion, and the side face of the shell is provided with a double-buckle structure (a first buckle is arranged on the fixed shell, and a second buckle is arranged on the sleeve shell). The socket assembly is correspondingly provided with a double-clamping-groove system, and when connection is in place, double mechanical locking is formed, the first clamping buckle is embedded into the first clamping groove to achieve main fixing, and the second clamping buckle is embedded into the second clamping groove to form auxiliary locking. According to the design, through cooperative action of the split type shell and a double-buckle system, the connection stability is remarkably improved, and accidental loosening is effectively prevented. And meanwhile, the design of the limiting channel not only ensures the insertion guide precision, but also provides an assembly space for the clamping groove mechanism, so that the connector has high functional density and reliable connection performance, and is suitable for the multi-channel transmission requirement under complex working conditions.

The utility model relates to the technical field of auxiliary grafting tools, and discloses a portable litchi top grafting seed changing auxiliary grafting tool which comprises a knife handle, a knife sheath is arranged on the side wall of the knife handle, a clamping block is arranged on the outer wall of the knife sheath, a knife body is arranged on the side wall of the knife handle, a limiting assembly is arranged in the knife handle, and a quick release assembly is arranged in the knife handle. The limiting assembly comprises a hollow column, a limiting block and a first clamping ball, the outer wall of the hollow column is fixedly connected to the interior of the cutter handle, one side wall of the clamping ball is fixedly connected to the outer wall of the limiting block, and the outer wall of the limiting block is slidably connected to the interior of the hollow column. According to the grafting knife, the scabbard is inserted into the knife handle, the clamping block extrudes the first clamping ball and the limiting block and extrudes the telescopic rod and the first spring, locking of the scabbard is achieved, and the problems that due to the fact that a traditional grafting knife scabbard is not provided with a fixing structure, the scabbard is prone to loosening or falling in the carrying and high-altitude operation process, a cutting edge is exposed, and potential safety hazards exist are solved. And the use safety of the tool is improved.

The utility model relates to the technical field of building outer walls, in particular to a low-energy-consumption building outer wall heat-bridge-free fireproof heat preservation structure which comprises a wall body structure, a plurality of plate hanging structures are installed in the wall body structure in an embedded mode and arranged in a rectangular array mode, and the plate hanging structures are connected with the wall body structure in an embedded mode. A plurality of plate body anchoring pieces are hung on the front surface of the plate wall body structure through a plate hanging structure, the wall body structure comprises a base layer wall body, the front surface of the base layer wall body is coated with an adhesive layer, and a fireproof heat preservation plate is pasted on the front surface of the adhesive layer. According to the utility model, the fireproof insulation board is subjected to plate and modular design optimization, the installation is convenient, and the fireproof insulation board in a certain area can be directly taken down and replaced when the fireproof insulation board in a certain area goes wrong due to impact on the surface of the base layer wall body, so that the maintenance is convenient.

The utility model discloses a state monitoring assembly for a wire harness, and relates to the technical field of wire harness monitoring equipment, the state monitoring assembly comprises a monitor main body and a data line, the data line is provided with a protective sleeve, the data line comprises a joint and a lead, the protective sleeve comprises an inner-layer soft sleeve, a top fixing lantern ring and a bottom fixing lantern ring, the inner-layer soft sleeve is detachably installed on the joint, and the top fixing lantern ring is detachably installed on the lead. The inner-layer soft sleeve comprises a top plate, a base and a connecting column, the top fixing lantern ring is movably installed at the top of the inner-layer soft sleeve, the bottom fixing lantern ring is movably installed at the bottom of the inner-layer soft sleeve, a fan-shaped notch matched with a wire is formed in the side face of the protective sleeve, and the protective sleeve is arranged on the wire in a sleeving mode through the fan-shaped notch. The data line connector has the advantages of being convenient to assemble and disassemble, enhancing the protection performance and prolonging the service life, and solves the problems that a traditional data line connector is easy to damage and high in maintenance cost.

This utility model discloses a soil conditioner spraying device, including a mobile cart. A recessed frame is provided on the left side of the top surface of the mobile cart. A first connecting port is provided at the bottom of the inner cavity of the recessed frame. A driving mechanism is symmetrically arranged on both sides of the inner cavity of the recessed frame. Multiple guiding mechanisms are respectively provided on both sides of the driving mechanism. A stabilizing mechanism is provided on one side of the driving mechanism and the guiding mechanism. A T-connector is provided between the stabilizing mechanism and the first connecting port. Spray pipes are respectively connected to both sides of the T-connector. A transmission pipe is connected to the right side of the T-connector. A liquid supply mechanism is connected to the right side of the transmission pipe. The driving mechanism includes a driving groove, a lead screw, a driving block and a servo motor. Through the cooperation of multiple structures such as the driving mechanism, guiding mechanism, stabilizing mechanism and liquid supply mechanism, the device is vibration resistant and prevents loosening. When the cart moves in rugged fields, the stabilizing structure can prevent the T-connector from accidentally falling off, reducing downtime for maintenance.

The utility model provides a vacuum pump convenient to maintain, which relates to the technical field of vacuum pumps and comprises a vacuum pump body, a maintenance bin is fixedly mounted on the top surface of the vacuum pump body, a bin cover is mounted on the top surface of the maintenance bin, an observation window is fixedly mounted on the top surface of the bin cover, and radiating fins are fixedly mounted on the surface of the vacuum pump body. According to the utility model, a worker can conveniently observe a fault point through the arranged observation window, so that the bin cover is opened after the fault point is determined, invalid operation can be avoided, the working intensity of the worker is reduced, and meanwhile, the brush plate can rub the surface of the observation window, so that the surface of the observation window can be cleaned, and the working efficiency is improved. Meanwhile, heat on the cooling fins can be conducted through the arranged heat conduction block, then the heat can be conducted to the long rod, then the long rod can conduct part of the heat to the pull handle, and therefore when the pull handle is pulled in winter and part of cold areas, hands can be prevented from being frozen.

The invention belongs to the technical field of goggles, particularly relates to transparent protective glasses with an adaptive anastomosis structure, and aims to solve the problems that the whole glasses cannot be repeatedly used if lenses are damaged in the existing use process, and the glasses cannot be worn due to the fact that the glasses of a user are in contact with the goggles when the user carries the glasses. In order to solve the problems in the prior art that in the prior art, in order to solve the problems, the glasses comprise a glasses frame, connecting seats are fixedly arranged at the two ends of the glasses frame, rotating strips are rotationally arranged in the connecting seats, glasses legs are adjustably arranged in the rotating strips, and bent parts are arranged at the tail ends of the glasses legs and used for being worn on the ears; according to the glasses, the comfortable wearing experience adapting to different nose bridge shapes and head shapes is achieved, the convenient cleaning mechanism is further arranged, the inner side and the outer side of the goggles can be cleaned at the same time, the use convenience is improved, meanwhile, a user can adjust the position of the glasses frame according to personal requirements through the design of the clamping mechanism between the glasses frame and the connecting frame, and personalized wearing is achieved.

This utility model relates to the field of medical device technology, specifically to a syringe light-shielding protective sleeve. It includes a syringe barrel, a piston rod slidably connected to the syringe barrel, and a light-shielding outer sleeve installed on the outer wall of the syringe barrel. The outer surface of the light-shielding outer sleeve has graduation lines consistent with the size of the syringe barrel. An elastic ring is installed at one end of the light-shielding outer sleeve, and symmetrical fixing ears are arranged on the outer wall of the elastic ring. Anti-slip particles are provided on the inner wall of the elastic ring. In use, by providing an elastic ring at one end of the light-shielding outer sleeve and anti-slip particles on its inner wall, when the light-shielding outer sleeve is placed on the outer surface of the syringe barrel, the elasticity of the elastic ring and the anti-slip particles ensure a tight and secure fit between the outer sleeve and the barrel, preventing accidental slippage, enhancing safety, improving convenience, and allowing users to easily and quickly put on and take off the outer sleeve, thus optimizing the user experience.

The utility model relates to a mobile phone pendant anti -looseness device has installation base, connecting portion and top plate, is equipped with connecting screw hole on installation base, connecting portion includes screw rod portion and connecting plate, and the top of connecting portion is equipped with the mounting hole coaxial with screw rod portion, is equipped with compression spring in mounting hole, and the top of compression spring is fixedly equipped with ball, and ball lifting sliding sets up in mounting hole, is equipped with hanging groove on the lateral wall of top plate, still is equipped with connecting through groove on top plate, and the bottom of connecting through groove is pressed in through the continuous force of compression spring of the upper end of ball, is equipped with a plurality of limit sliding slots on the upper end surface of connecting plate, and the bottom of connecting through groove is equipped with limit sliding block, and the inner wall of connecting through groove is equipped with a plurality of anti -drop piece, and the limit sliding block is pressed into corresponding limit sliding slot through depressing after top plate connects with pendant and hanging groove, and through the thread cooperation of screw rod portion and connecting screw hole, the pendant is pressed tightly on installation base. The utility model is ingenious, convenient and practical.

This utility model relates to the field of jewelry accessory technology and discloses a square magnetic accessory for rope chains, including a first positioning seat and a second positioning seat. The outer surfaces of the first and second positioning seats are detachably connected. A slot is formed in the center of the top of the second positioning seat. A locking block adapted to the slot is fixedly connected to the bottom of the first positioning seat. Mounting holes are formed on the inner bottom wall of the slot and the outer wall of the locking block. Magnets are inserted and fixed into the inner sidewalls of the two mounting holes. This square magnetic accessory for rope chains uses a double locking mechanism of magnetic attraction and mechanical engagement. The mechanical cooperation between the slot and the locking block prevents the positioning seat from shifting laterally, while the magnets in the mounting holes provide longitudinal fastening force through magnetic attraction. The combination of these two features forms a double fixing structure, preventing the accessory from accidentally falling off during use. At the same time, the magnetic attraction characteristic allows for tool-free assembly and disassembly, making the operation convenient and enabling quick connection of the accessory to the rope chain. It is suitable for bracelets, necklaces, and other jewelry.

This utility model discloses a detachable and cleanable mascara brush handle structure, including a cap, a connecting handle, and a brush handle. One end of the cap has a limiting groove, and the inner bottom surface of the limiting groove has a first recessed groove, within which a first strong magnet is fixedly installed. The connecting handle has a second recessed groove at its end near the cap. In this utility model, the first and second strong magnets magnetically attract and fix the connecting handle and brush handle. This connection method has significant advantages over traditional fixing methods, such as glue adhesion or complex snap-fit ​​connections. When cleaning the brush handle, the user only needs to gently apply an external force opposite to the magnetic direction to separate the brush handle from the cap. The operation is simple and convenient. When cleaning the brush handle with water or a special cleaning solution, residual mascara stains at the base of the bristles and on the surface of the brush handle can be thoroughly removed, effectively preventing bacterial growth and protecting eye health.

The invention relates to a cutting head for a motorized sickle, wherein the cutting head comprises a separate base body (11) with an upper base body part (12) and a lower base body part (13). A screw element (19) is arranged on the lower base body part (13). The screw element (19) is used to fix the motorized sickle on a drive shaft (18). At least one receiving portion (15) is arranged between the upper base body part (12) and the lower base body part (13) for fixing a cutting tool (14). The base body (11) can be driven to rotate around its rotation axis (17) during the operation of the motorized sickle. The upper base body part (12) and the lower base body part (13) are held together by means of a releasable snap connection (1).

The invention discloses an automobile mechanical anti-collision structure, and belongs to the technical field of anti-collision. Comprising a main beam (1), a locking piece, a sleeve (2) and a perforated ring (3), the sleeve (2) is arranged outside the main beam (1), the perforated ring (3) is rotationally arranged outside the sleeve (2), and the perforated ring (3) is fixed by the locking piece; a slotted plate (4) is fixed in the perforated ring (3), strip-shaped holes with sliding rods (5) are formed in the slotted plate (4) at intervals, a sliding frame (6) is arranged at the inner end of each sliding rod (5), one end of each sliding frame (6) is arranged on the sleeve (2) in a penetrating mode, the other end of each sliding frame (6) is connected with a fixing plate (7), and an anti-collision buffering cylinder (8) is arranged on the inner side of each fixing plate (7). The perforated ring (3) is rotated to drive the slotting plate (4), then the sliding rod (5) drives the sliding frame (6) to slide, the fixing plate (7) clamps the buffer cylinder (8), and the locking piece locks the perforated ring (3), so that the buffer cylinder (8) is fixed. The problems that an existing bumper and an existing energy absorption part are tedious in replacement operation and low in efficiency are solved.

The utility model relates to oil and gas well packer tool technical field, concretely is a kind of extruded rubber tube single slip bridge plug, including push cylinder, and push cylinder is fixed with the release lever;Release lever outer circumferential surface is sequentially arranged with central tube, slip seat and lower joint;Lower joint is fixedly connected with release lever by shearing pin;Central tube includes the connecting section and conical structure section that are sequentially arranged in axis direction, and connecting section is butted with push cylinder;Slip seat one end is set on conical structure section, and other end is fixed with lower joint;There is step surface between connecting section and conical structure section, and step surface and conical structure section are set with rubber tube;Release lever outer circumferential surface is also set with connecting sleeve, and connecting sleeve is screwed with central tube by its threaded connecting section, and is clamped with lower joint by its clamping section.The central tube structure of the utility model can make rubber tube and slip seat directly set on central tube, reduce the axial length of whole bridge plug, improve the adaptability of bridge plug in downhole limited space.

The invention discloses cable performance measurement equipment, and relates to the technical field of measurement equipment, the cable performance measurement equipment comprises test equipment, a motor and a clamping table, a clamping plate is arranged on the clamping table in a radial sliding manner, the front surface of the clamping plate is connected with a sliding plate through an elastic member, the sliding plate is hollow and is provided with an air hole, and the back surface of the clamping plate is provided with an air bag. The air bag is communicated with the interior of the sliding plate, and the distance between the other end of the air bag and the sliding plate is fixed; according to the cable clamping device, when a cable is clamped, a pressing plate is used for pushing a sliding block, a sliding plate, a compression spring and stretching an air bag, so that the air pressure at the communicating position of the air bag and the sliding plate is reduced, then negative pressure is generated in an air hole, and the air pressure difference is matched with mechanical clamping force, so that cable clamping is upgraded from pure mechanical clamping to mechanical and air pressure adsorption cooperative dual stable clamping; the shaking and displacement of the cable in the test process are effectively reduced, and the test accuracy is guaranteed.

The invention discloses an intelligent hoop type self-climbing formwork device. The intelligent hoop type self-climbing formwork device comprises a supporting frame, a hydraulic drive self-climbing lifting mechanism, a formwork system and an automatic control system. The device adopts three layers of hydraulic self-locking hoops to realize automatic climbing, is driven by a hydraulic system, and is monitored and operated by an automatic control system. The template system is provided with a demolding oil cylinder, so that the template is convenient to detach. The device is high in automation degree, easy and convenient to operate, high in safety and high in adaptability, and the construction efficiency and safety of the high-rise building are effectively improved. Compared with the prior art, the method has the advantages that the whole climbing and formwork adjusting process is completed by an automatic control system, manual intervention is reduced, and the construction efficiency is improved; a three-layer hydraulic self-locking hoop structure is adopted, it is ensured that the formwork device is stably connected with a concrete structure in the climbing process, and accidental falling is prevented; the whole process is operated by a single person, operation is easy, the climbing speed is controlled accurately, and potential safety hazards are eliminated.

A portable device for detecting the grain size of aluminum plates and strips, which relates to the technical field of grain size detection, is characterized in that it comprises a cleaning bottle, an acid bottle, a cleaning head and a pickling head; the cleaning bottle with two open ends is arranged on the outer shell of the acid bottle body, and a gap is left between the outer wall of the acid bottle body and the inner wall of the cleaning bottle body, and the bottom of the acid bottle does not contact the corresponding open end of the cleaning bottle; the acid bottle mouth is provided with a pickling head for applying acid, and the pickling head is provided with an acid liquid channel that enables the application surface of the pickling head to be connected with the acid bottle inner cavity, and the outer wall of the pickling head is correspondingly and movably sealedly connected with the inner wall of the corresponding open end of the cleaning bottle; the cleaning bottle is movably and sealably connected with a cleaning head for applying water corresponding to the open end of the acid bottle bottom, and the cleaning head is provided with a water channel that enables the application surface of the cleaning head to be connected with the inner cavity of the cleaning bottle; the invention effectively solves the problem that the traditional pickling device for detecting the grain size of aluminum plates and strips is inconvenient to carry and has a low safety factor.

This utility model relates to the field of aluminum pot technology, and more particularly to a high thermal conductivity aluminum pot with a composite bottom structure. The technical solution includes: a composite bottom body, within which an aluminum pot body is fitted, and a lid is mounted on the aluminum pot body; heat-conducting fins are fixedly installed on the bottom end face of the composite bottom body, and a filling tube is embedded in the side end face of the composite bottom body; a first wavy groove is formed on the bottom end face of the inner wall of the composite bottom body, and a second wavy groove is formed on the bottom end face of the aluminum pot body; a handle and a locking block are installed on the outer surface of the composite bottom body, and a locking bracket is installed on the lid, the locking bracket being limited by the locking block; guide posts are installed on the inner wall of the composite bottom body, and guide grooves are formed on the outer surface of the aluminum pot body. This utility model meets the requirements for high thermal conductivity aluminum pots, optimizes thermal conductivity during use, reduces heat conduction resistance, and maintains good heat retention performance while ensuring efficient heat conduction.

The utility model belongs to the trailer technology field of bicycle, especially a bicycle trailer connecting type buckle, including trailer connecting seat, the both ends of U type of trailer connecting seat are provided with connecting mechanism, the connecting mechanism realizes trailer connecting seat and bicycle quick -witted connection installation's action. This bicycle trailer connecting type buckle, the trailer connecting seat of this device is through U type structure and limit sleeve shaft quick sleeve joint bicycle rear wheel axle, and the combination hoop mechanism and locking screw realizes the change from "hangs the connection" to "locks dead", forms rigid and reliable connection, effectively avoids the accidental drop of trailer in the driving. The design of rotating mechanism cooperation ball head plunger and arc -shaped groove can be free to tilt when guaranteeing bicycle overbend, provides clear rotation limit and straight -line travel positioning feeling for trailer, eliminates the control risk and swing brought by rigid traction, improves the smooth and stable feeling of riding, makes trailer follow naturally like the extension of the car body.

The utility model discloses a wire coil locking device for an enamelling machine, which comprises a rotation driving mechanism, a pneumatic pull rod mechanism and a clamping mechanism, and is characterized in that the rotation driving mechanism comprises a bearing seat, a main rotating shaft movably arranged in the bearing seat in a penetrating manner, and a transmission mechanism arranged on the main rotating shaft and used for driving the main rotating shaft to rotate; the pneumatic pull rod mechanism comprises an air cylinder coaxial with the main rotating shaft and a pneumatic pull rod fixedly installed at the output end of the air cylinder, and the pneumatic pull rod movably penetrates through the main rotating shaft. The clamping mechanism is arranged at the end, away from the direction of the air cylinder, of the main rotating shaft and comprises a positioning piece and a tensioning piece which are coaxial with the main rotating shaft, the tensioning piece is arranged at the end of the main rotating shaft and used for tensioning a center hole of the wire coil, and the positioning piece is fixed to the portion, between the tensioning piece and the bearing seat, of the main rotating shaft and used for being matched with the wire coil in an inserted mode so as to limit the wire coil. According to the device, the clamping mechanism is matched with the pneumatic pull rod mechanism, so that the wire coil can be automatically locked or released, the operation is simple and quick, the coil replacement difficulty is low, and the efficiency is high.

The application provides a quick installation backboard of an industrial communication module, and belongs to the technical field of industrial communication equipment installation. The quick installation backboard comprises an installation base body, an adjusting and installing assembly, an interface assembly, a guiding and aligning structure, a self-locking and holding mechanism and an unlocking operation part. The adjusting and installing assembly is movably arranged on the installation base body, is used for installing the industrial communication module and can adjust the height according to the field wiring space. The interface assembly is arranged on the adjusting and installing assembly and is used for electrically connecting with the industrial communication module. The guiding and aligning structure is formed on the adjusting and installing assembly and is used for guiding the external network cable connector to be accurately plugged with the interface assembly along a predetermined path. The self-locking and holding mechanism is arranged on the adjusting and installing assembly and is used for automatically locking the connector after being plugged in place. The unlocking operation part is linked with the self-locking and holding mechanism and is used for unlocking to pull out the connector. The application solves the problems of poor installation adaptability, easy loosening of the network cable interface and inconvenient maintenance operation of the existing installation backboard, realizes flexible adjustment of the module height, quick plugging and pulling and reliable locking of the network cable connector and is suitable for the installation of the communication module in the industrial automatic control cabinet.

This invention provides a propellant refueling connector and refueling device, including a connector body, a fixed frame on the outside of the connector body, a movable frame in front of the fixed frame, a cylinder, and a hook. The movable frame is axially movable. The cylinder body is connected to the fixed frame, and the piston rod is connected to the movable frame. The front end of the hook extends out of the front end of the connector body, and the rear end is hinged to the fixed frame via a first hinge shaft and also hinged to the movable frame via a second hinge shaft, with the second hinge shaft located outside the first hinge shaft. An elastic device is provided between the fixed frame and the movable frame, and the elastic device is sleeved on the outer periphery of the piston rod. In this technical solution, a flange-shaped movable frame is provided on the refueling connector, which drives the hook to move. An elastic device is added between the movable frame and the fixed frame. During the refueling process, even if the air path that drives the piston rod to extend malfunctions, the elastic force of the elastic device can still ensure that the connector and the refueling port are properly locked and sealed, ensuring the normal operation of the refueling.

The utility model relates to the technical field of building construction, and concretely discloses a building template for building construction convenient for quick splicing, which comprises two template bodies, a splicing mechanism, two mounting arc plates, a rotating groove, an installation arc block, a splicing block, a connecting hole, a connecting block, a fixed connection between the connecting block and the outer wall of the installation arc block, a push frame, and a fixed connection between the push frame and the connecting block. The splicing mechanism can quickly splice the two horizontally-oriented template bodies, improve the splicing efficiency, save the labor time and cost, shorten the construction period, and improve the stability and accuracy of the template body installation, making the construction process more efficient and flexible.

The invention relates to the technical field of voltage measurement, in particular to a special clamp for meter voltage measurement, and the clamp comprises an insulation assembly which comprises a first insulation handle and an insulation part which is arranged at the end part of the first insulation handle and is used for connecting an external plug, and an extension baffle plate is arranged on the side wall of the first insulation handle and is used for limiting the holding distance; and the clamping assembly comprises clamping pieces arranged at the ends of the first insulating handle and the insulating piece and used for being clamped outside the electric energy meter, and two copper spring ejector pins can be automatically adjusted according to the interval of bolt grooves of the electric energy meter so as to adapt to different sizes and keep firm contact. The heat shrink tube wrapping the insulating handle and the spring ejector pin ensures that an operator is away from the risk of direct electrical contact in the using process, and the possibility of electric shock is reduced. In addition, the lower groove effectively prevents accidental falling in the operation process, and the stability and reliability of connection are ensured.

The utility model belongs to exoskeleton robot technical field, hinge pressing plate is provided in the installation casing front side, and single hand is pressed back, and the battery buckle is taken out through the inside top block, realizes quick unlocking, and the operation is more direct and convenient than the back or bottom operation, and integrated anti -drop protection is in the pressing plate, and the horizontal baffle of pressing plate integration can prevent the battery accidental drop, secondly, the bidirectional buckle fixing and automatic conduction system of battery and casing are designed, and when the battery is inserted, the clamping block on the elastic sheet of front side will be embedded in the clamping position in the casing sliding groove, and the top electrode is automatically contacted with the connecting electric plate in the warehouse, realizes the stable mechanical connection and circuit contact integration.