61results about How to "Avoid flipping" patented technology

The invention relates to the technical field of cashmere fabric spinning, and discloses a cashmere fabric spinning device with a broken end active positioning function and a using method thereof.The cashmere fabric spinning device comprises a rack, and a first electric shaft, a second electric shaft and a third electric shaft are arranged in the rack; a carding roller, a wool feeding roller and a rotating cup are fixedly installed at the end of the first electric shaft, the end of the second electric shaft and the end of the third electric shaft respectively, a conveying pipeline used for conveying fibers and an impurity sucking pipeline used for sucking impurities are arranged on the machine frame, and a yarn guiding pipe is fixedly installed on the machine frame. According to the spinning device, the rotating plate rotates to be in a vertical state by means of pressure of yarn on the pulleys, when the yarn breaks, tension of the yarn disappears, the pulley close to the broken side loses the pressure of the yarn firstly, the pulley drives the rotating plate to rotate towards the broken side of the yarn, and the rotating plate rotates to the broken side of the yarn. The two magnetic plates drive the two clamping plates to move relatively to be closed, and the magnetic rods are prevented from overturning downwards under the action of gravity.

The utility model discloses a correcting device for wire harness transmission, which relates to the technical field of wire harness correction, and comprises a base and a correcting column arranged on the base, the base is connected with two connecting plates, a tension plate is arranged between the two connecting plates, the connecting plates are provided with sliding assemblies, and the sliding assemblies are connected with the correcting column. The tension plate is connected with the sliding assembly, an empty groove is formed in the base, an electric push rod is arranged in the empty groove, the telescopic end of the electric push rod is connected with the bottom face of the tension plate, and a wiring harness body is placed on the tension plate. The part, arranged on the tension plate, of the wire harness body is lifted along with rising of the tension plate, the tension of the wire harness body is adjusted, the wire harness body is prevented from being curled in the correction process, and the operation efficiency of the device is improved.

This invention belongs to the field of concrete product performance testing technology and discloses a building concrete performance testing device. Existing testing devices use a method of placing precast stairs horizontally for static load pressure testing. This method is only suitable for the initial screening of precast stairs and cannot truly reflect the actual load-bearing capacity of precast stairs. The technical solution of this invention includes a frame-shaped mounting frame with several support legs fixedly installed on the bottom surface of the mounting frame. Two V-shaped hinge frames are set inside the mounting frame. Each hinge frame consists of a hinge shaft and two hinge rods. A movable shaft is set inside the mounting frame, and an adjustment device for adjusting the included angle of the hinge frames is set on the movable shaft. This invention can be applied to the testing of stairs of different lengths within a certain range. This invention can keep the precast stairs in a horizontal state to complete the initial screening of precast stairs. This invention can adjust the step surface of the precast stairs to be horizontal, so that the test results directly correspond to the actual performance in use.

The utility model discloses an alignment mechanism for pole piece detection, include: base plate, and its both ends end face respectively fixedly be equipped with mounting seat, the first slider and the second slider of sliding setting in the mounting seat, the adjusting end of mounting seat is fixedly equipped with first drive assembly, and the output shaft of first drive assembly is connected and drives corresponding slider sliding, the first pivot assembly of fixedly equipped on the first slider and two second pivot assemblies of fixedly equipped on the second slider, be equipped with the alignment plate of center round hole and racecourse type through -hole, first pivot assembly is worn in center round hole, and two second pivot assemblies are respectively worn in the racecourse type through -hole that sets up parallel to the alignment plate length direction, the pole piece detection camera of fixedly equipped in the alignment plate middle part edge position, through the automatic control of first drive assembly and second drive assembly, has realized the automation of alignment process, has improved alignment efficiency and precision greatly.

This invention relates to the field of pipeline dredging robot technology, and in particular to an adaptive underground drainage pipe cleaning robot and method based on multi-sensor fusion. The robot includes a crawler with a supporting lifting device on its top and a robotic arm at its front end. The robotic arm comprises an axial rotating arm, a radial lifting arm, a radial lifting arm, and an axial rotating impact arm, arranged sequentially away from the crawler. The axial rotating arm is drivenly connected to the radial lifting arm, the radial lifting arm is drivenly connected to the radial lifting arm, and the radial lifting arm is drivenly connected to the axial rotating impact arm. The axial rotating impact arm includes an intelligent sensing component employing at least two sensing methods to detect the location and thickness of the blockage in real time. This invention solves the problems of poor removal effect on hard scale, inaccurate force control, insufficient flexibility, and serious secondary pollution in existing technologies, achieving efficient, precise, and low-damage intelligent cleaning operations for pipelines.

The present application relates to pipeline dredging robot technical field, particularly to a kind of multi-sensor fusion's adaptive underground drain pipe scale removal robot and method, including crawler, support lifting device is provided in the top of crawler, and the front end of crawler is provided with mechanical arm;Mechanical arm includes the axial rotation arm, radial lifting big arm, radial lifting small arm and axial rotation impact arm that are sequentially arranged away from crawler, axial rotation arm is connected with radial lifting big arm, radial lifting big arm is connected with radial lifting small arm, radial lifting small arm is connected with axial rotation impact arm;Axial rotation impact arm includes intelligent sensing component, and intelligent sensing component uses not less than two kinds of sensing mode, and the position and thickness of real-time detection blockage are detected.The present application solves the prior art to hard scale removal effect, poor force control inaccuracy, insufficient flexibility and secondary pollution serious and other problems, realizes pipeline efficient, accurate, low-damage intelligent scale removal operation.

The utility model discloses maintenance equipment of a food purifier, which belongs to the technical field of food purification and comprises a cart convenient to move, a liftable support arranged on the cart, and a maintenance box which can be quickly mounted on the support in a detachable manner. And the lower part of the maintenance box is provided with a drain valve and a drain pipeline which is connected with the drain valve and is used for introducing the maintenance solution into the food purifier. The food purifier is simple and novel in structure and ingenious in design concept, core components of the food purifier can be maintained quickly and conveniently, the core components of the food purifier do not need to be detached for maintenance, and therefore the operation complexity of maintenance can be reduced, and working time can be greatly saved.

The utility model discloses a continuous feeding monocrystalline silicon edge material surface laser ablation device which comprises an outer shell, a first conveying belt is arranged at the feeding end of the outer shell, two sets of second conveying belts are arranged at the discharging end of the outer shell, and the two sets of second conveying belts are arranged on the two sides of the first conveying belt respectively. The laser ablation device has the beneficial effects that the first conveying belt and the two groups of second conveying belts are matched with each other, so that the first laser generator and the fourth laser generator can perform laser ablation on different parts at the bottom of the monocrystalline silicon leftover material in the process that the first conveying belt and the second conveying belts alternately drive the monocrystalline silicon leftover material to move; and meanwhile, a second laser generator and a third laser generator are matched to ablate the end face and the upper surface of the monocrystalline silicon leftover material, so that the situation that the monocrystalline silicon leftover material is driven to be turned over and machined through clamping can be effectively avoided, and the safety of equipment is improved.

A high-efficiency corn stubble crushing device includes an outer shell with a triangular connecting frame at the front and a power input shaft mounted on the top. The outer shell houses a stubble cutting mechanism and a root crushing mechanism. The stubble cutting mechanism includes a first gearbox, a second gearbox, and a mounting plate. The first gearbox is mounted on the outer shell, and the power input shaft is connected to it. In summary, the stubble cutting mechanism utilizes the opposite rotation of two meshing gears to enable two shearing blades to reciprocate and cut the stubble, achieving high-efficiency crushing. Furthermore, the multi-stage gear telescopic structure achieves precise entry and exit of the disc blades at the root position through three-stage telescopic movement, minimizing soil disturbance and ensuring efficient corn stubble crushing while avoiding large-scale soil disturbance, making it highly practical.

This utility model relates to the field of negative pressure sand box technology, and provides a negative pressure sand box for lost foam casting. By placing the lost foam mold into the molding sand within the negative pressure sand box, castings are produced. The box includes a box body, mounting cylinders, and positioning rods. Several mounting cylinders are inserted through and sway-mounted on the side wall of the box body. Several positioning rods correspond one-to-one with the mounting cylinders, and the positioning rods are slidably disposed within the mounting cylinders. The positioning rods can slide along the axial direction of the mounting cylinders to adjust the length of the positioning rods extending into the box body. One end of the positioning rod located inside the box abuts against the outer wall of the lost foam mold. The positioning rods can abut against the outer wall of the mold from all sides of the box body, forming all-round support and fixation, resisting the lateral thrust generated by the molding sand, preventing the mold from flipping or shifting, and ensuring that the mold always maintains a preset position in the molding sand. The combination of the swaying mounting cylinders and the slidable positioning rods allows for flexible adaptation to lost foam molds of different shapes and sizes.

This utility model provides a servo-electric cylinder dual-axis robotic arm, which is easy to clean. It includes a base, a first base plate fixed to the top of the base by bolts, a transverse electric cylinder fixed to the top of the first base plate by bolts, two linear slide rails symmetrically arranged on both sides of the top of one end of the first base plate, an electric cylinder push plate on the top of the two linear slide rails, a second base plate on one side of the top of the electric cylinder push plate, and guide slides adapted to the positions of the linear slide rails on the bottom of both sides of the electric cylinder push plate. When the lifting electric cylinder performs the downward pressing action, the U-shaped block connected to the lifting guide rod first contacts two soft limiters. The soft limiters adopt a hydraulic buffer mechanism and a rubber contact surface design, which can significantly reduce the impact of movement and reduce noise.

The utility model belongs to the field of winding mechanism, specifically is a kind of winding mechanism for steel wire braiding hydraulic rubber hose production, including adjusting assembly;The outside of adjusting assembly is connected with winding assembly;Adjusting assembly includes adjusting seat, and the left end of adjusting seat is fixedly connected with motor;By setting adjusting assembly, motor drives transmission shaft to rotate to drive bevel gear one, bevel gear two rotation, further drive two screw rods to rotate, two screw rods respectively drive two sliders to move to opposite direction, to can drive two groups of connecting plate opposite direction movement, adjust the interval of two groups of connecting plate can be adjusted the interval of two vice winding roller, adjust the relative position of vice winding roller and main winding roller, finally can according to the different specifications of steel wire braiding hydraulic rubber hose adjust the height of entire winding device, the height of adjustment can be wound, to can prevent the condition of loosening when winding thicker longer steel wire braiding hydraulic rubber hose.

This invention discloses a backflow suppression device and an anti-backflow fan and refrigerator including the same. The backflow suppression device is used to suppress the backflow of gas from the air inlet of the fan to the outside of the fan. It includes: a flow-suppressing part, which is arranged around the outer edge of the air inlet, with one side of the flow-suppressing part rotatably connected to the outer edge of the air inlet, and the other side of the flow-suppressing part extending towards the axis of the air inlet, and the flow-suppressing part being used to rotate around the outer edge of the air inlet; and a limiting part, which is arranged around the outer edge of the air inlet, and the limiting part being used to restrict the rotation of the flow-suppressing part towards the outside of the fan. When gas backflows from the air inlet, the flow-suppressing part rotates towards the limiting part; when air enters the air inlet, the flow-suppressing part rotates towards the impeller of the fan. The flow-suppressing part can block the backflow generated in the positive pressure zone, thereby reducing eddies and the noise generated by eddies. It reduces repetitive work, thereby improving the efficiency of the fan and reducing energy consumption.

The application discloses a spinous process anti-loose balloon catheter, which comprises an inner tube, a tip tube, an outer tube, a balloon unit, a proximal fixed sleeve, a proximal movable sleeve, a distal sleeve and three spinous process ribs, the distal end of the spinous process rib is fixedly connected with the distal sleeve, the proximal end of the spinous process rib is fixedly connected with the proximal movable sleeve, the distal sleeve is fixedly connected with the tip tube, the proximal movable sleeve is penetrated by the outer tube and can move relative to the outer tube, the proximal fixed sleeve is fixedly connected with the outer tube, and an elastic belt is arranged between the proximal end of each spinous process rib and the proximal fixed sleeve. When the balloon catheter of the application is inflated, the spinous process ribs can be in a normal state and the balloon is extruded, and when the balloon is depressurized, the spinous process ribs can be effectively constrained, which is favorable for the withdrawal of the balloon.

The utility model discloses a kind of embedding boxes for congenital megacolon specimen, it is related to the field of tissue embedding technology.It includes box body with filter hole, circular ring, tight knob column, helical segmentation strip and box cover.Circular ring is fixed along inside of side plate, helical segmentation strip is coiled in spiral, one end is connected with the tight knob column of center, the other end is fixed in circular ring, can adjust interval with knob column rotation to hold or release specimen.Tight knob column contains shaft sleeve, shaft cap and split type knob spoon, through hexagonal structure cooperation and the bistable clamping of arc spring and clamping groove, the clutch and stable rotation of knob spoon and shaft cap are realized, control helical strip tightness.Box body, circular ring, helical strip etc.are provided with round hole to ensure reagent penetration, box cover buckle sealing, label area is provided in front.The design realizes specimen integration fixation, maintains morphological continuity, simplifies material taking, embedding process, improves pathological diagnosis efficiency and accuracy.

The utility model discloses a Hough joint half body which comprises a half body and a sealing piece half body installed on the half body, the two ends of the sealing piece half body are in one-to-one sealing fit with the two ends of the half body respectively, the side, matched with the sealing piece body, of the half body serves as the inner side, and the other side serves as the outer side. Straight edge sections arranged in the length direction are arranged on the two long edge sides of the inner side walls of the half bodies correspondingly, and straight edge grooves are formed in the positions, corresponding to the two straight edge sections, of the inner side walls of the sealing piece half bodies correspondingly. The straight edge sections of the corresponding long edge sides of the half body are tightly installed in the straight edge grooves corresponding to the two long edge sides of the sealing piece half body respectively. The sealing piece half body is tightly installed through the straight edge section of the half body, the situation that the sealing piece half body is loosened under the action of water pressure due to loose sealing is avoided, and the sealing performance in the follow-up using process is ensured. The utility model further provides the half joint.

The outdoor anti-overturning hammock comprises a hammock surface and two supporting plates, a plurality of side ropes are fixed to the two sides of the hammock surface respectively, the side ropes on the same side are jointly and fixedly connected with a connecting ring, a lifting rope is fixed to the connecting ring, the two supporting plates are located on the two sides of the hammock surface respectively, and two pull ropes are fixed to the two sides of each supporting plate respectively. The other ends of the two pull ropes are jointly and fixedly connected with a positioning assembly. The bed surface, the supporting plates, the side ropes, the lifting ropes and the positioning assemblies are arranged, the side ropes on the two sides of the bed surface and the side ropes on the two sides are supported through the supporting plates, the side ropes on the same side are fixedly connected with the lifting ropes, and after the lifting ropes on the two sides are tied to a tree, the two positioning assemblies are fixed to the surface of the tree and located below the lifting ropes. Then the pull ropes on the two sides of the supporting plate are fixedly connected with the transverse plate of the positioning assembly, the pull ropes are used for pulling the two sides of the supporting plate, the bed surface is prevented from turning over when shaking left and right, and use is safer and more reliable.

The invention provides an electronic expansion valve connecting structure. The electronic expansion valve connecting structure comprises a coil assembly and a valve body assembly. The coil assembly comprises a shell, and a coil assembly, a connecting piece and a sealing piece which are integrally injection-molded in the shell; a valve body mounting cavity is formed in the shell in the axial direction; the coil assembly is distributed in the shell in the circumferential direction of the valve body installation cavity. The connecting piece is connected with the coil assembly, and a positioning bulge is arranged on the connecting piece; a positioning clamping groove is formed in the peripheral wall of the valve body assembly; the sealing piece is arranged at a cavity opening of the valve body mounting cavity and comprises an embedding part and a sealing part which are integrally formed; the embedded part is coated and injection-molded in the shell, and the sealing part is inwards exposed out of the inner wall of the valve body mounting cavity in the radial direction. The structure has the advantages that the coil assembly, the connecting piece and the sealing piece are integrally arranged in the shell in an injection molding manner, so that the number of parts and the material cost are reduced; and the positioning bulge on the connecting piece is matched with the positioning clamping groove in the valve body assembly, so that an external connecting plate is omitted, and the cost and the assembly complexity are reduced.

The application discloses a tape control mechanism and a tape manufacturing device, wherein the tape control mechanism comprises a base, a pressing plate and a plurality of first pressing columns. The base is provided with a first air channel, a second air channel and a plurality of first inner cavities arranged in an array. The first air channel is communicated with one end of the plurality of first inner cavities, and the second air channel is communicated with the other end of the plurality of first inner cavities. The pressing plate is arranged on the base, and a plurality of first solder tape channels arranged in an array are formed between the base and the pressing plate. The first pressing column comprises a first pressing section and a first piston section connected with each other. The plurality of first piston sections are arranged in the plurality of first inner cavities in a one-to-one correspondence. The first pressing section can extend into the corresponding first solder tape channel and press the first solder tape on the pressing plate. The above scheme can solve the problem that the clamp mechanism has a plurality of components in the related art. The installation precision of the guide rail, the setting precision of the height difference between the groove bottom and the top end surface of the groove are relatively high, thereby causing the problem that the clamp mechanism structure is complex and the installation difficulty is high.

This utility model provides a modular electric wheelchair battery compartment, including a compartment body containing a battery module. The upper end of the compartment body is connected to a screw drive assembly via a quick-connect fitting. A handwheel is provided on one side of the screw drive assembly. The quick-connect fitting includes a first sliding block, a second sliding block, and a hinge positioning component. The first sliding block is connected to the screw in the screw drive assembly, and the hinge positioning component is fixedly connected to the compartment body. A hinge latch is also provided at the upper end of the hinge positioning component. The advantages of this utility model are: through the dual movement mechanism of screw drive and sliding pair, the compartment body can be pulled out step by step. The user can expose the charging port to the side of the wheelchair by turning the handwheel, without disassembling the battery module or requiring assistance from others, significantly improving the convenience of independent operation; the support design of the hinge latch prevents the compartment body from tipping over during movement, ensuring stability during use.

The utility model provides a long-rod gas cylinder cap assembling device, which relates to the technical field of gas container manufacturing equipment, and comprises a cylinder body conveying belt, a bottle cap conveying belt, a finished product conveying belt and a pressing device, the pressing device comprises a fixing frame, a pressing rod vertically and downwards arranged on the fixing frame, and a rotating shaft vertically arranged on the fixing frame, the star wheel is fixedly mounted on the rotating shaft; the star wheel is provided with a plurality of limiting grooves, the lower half parts of the limiting grooves are bottle body limiting parts, and the upper half parts of the limiting grooves are bottle cap limiting parts; the molded surface of the bottle body limiting part is matched with the molded surface of the upper end of the bottle body, and the molded surface of the bottle cap limiting part is matched with the molded surface of the side face of the bottle cap. The bottle body conveying belt, the bottle cap conveying belt, the pressing rod and the finished product conveying belt correspond to different limiting grooves in the rotating direction of the star wheel. The limiting grooves matched with the molded surfaces of the bottle body and the bottle cap are formed in the star wheel, it is guaranteed that the bottle body and the bottle cap are coaxial in the assembling process, and the assembling efficiency and quality are improved.

The application discloses a parachute anti-turning device and a parachute, and relates to the technical field of parachutes. The parachute anti-turning device comprises a canopy rope sleeve, a transition sleeve and a canopy sleeve. One end of the canopy rope sleeve is provided with a canopy rope ring connected with a canopy rope. One end of the transition sleeve is connected with the other end of the canopy rope sleeve. The inner side of the transition sleeve is provided with a buckle and a binding rope sleeve. At least part of the canopy rope is constrained in the binding rope sleeve in the direction away from the canopy rope sleeve. One end of the canopy sleeve is connected with the other end of the transition sleeve. The inner diameter of the canopy sleeve is larger than that of the canopy rope sleeve. The canopy sleeve is used for covering a canopy. The canopy rope is sequentially threaded through the canopy rope sleeve, the transition sleeve and the canopy sleeve. One end of the canopy rope is connected with the canopy rope ring, and the other end is connected with the bottom edge of the canopy. A pull-off rope is connected between the buckle and the bottom edge of the canopy. In the straightened state of the pull-off rope, the bottom edge of the canopy is located at the opening of the canopy sleeve away from the transition sleeve. The application can effectively avoid the turning and winding of the canopy, and improve the working reliability and safety of the parachute.

The utility model discloses a disassembling tool for a fuel nozzle outer cover, which comprises a support, a mounting seat used for fixing a nozzle mounting edge is arranged on the support, a main body cavity used for placing a nozzle main body is arranged in the mounting seat, a pinch bar is arranged above the mounting seat, and a hinge seat fixed on the support is hinged to the middle of the pinch bar. The end of the pinch bar is connected with a lifting rod, and the end, away from the pinch bar, of the lifting rod is connected with stretching-in rods used for stretching into symmetrical holes in a nozzle outer cover. A mounting groove for allowing the nozzle mounting edge to enter is formed in the middle of the side wall of the mounting seat. A connecting rod is fixedly connected to the end, away from the ripping bar, of the lifting rod, swing rods are symmetrically hinged to the connecting rod with the lifting rod as the boundary, and the stretching-in rod is arranged on the side, facing the lifting rod, of each swing rod. The nozzle outer cover can be separated from the nozzle main body, so that the nozzle is convenient to use.

This invention relates to a method, apparatus, device, and medium for suppressing non-Ising terms in an NV-center Ising machine. The NV-center Ising machine includes an NV-center system with at least two NV-centers. The method includes: applying a pulse sequence to the NV-center system during the magnetic dipole coupling evolution period to suppress non-Ising terms in the Hamiltonian of the NV-center Ising machine. The pulse sequence is configured to utilize the difference in evolution symmetry between the Ising and non-Ising terms in the Hamiltonian under pulse action, causing the non-Ising terms to cancel each other out over time while the Ising terms are retained. This invention achieves selective suppression of non-Ising terms and retention of Ising terms without increasing hardware complexity, ensuring the rigor of the Hamiltonian form, avoiding ground-state configuration flips caused by non-Ising terms, and significantly improving the computational accuracy of the NV-center Ising machine.

The utility model relates to the technical field of hoisting, and particularly discloses an anti-overturning mechanism for paddle hoisting. Comprising at least one pair of balance lifting appliances which are symmetrically arranged, and each balance lifting appliance is composed of a coating structure and a lifting connecting part. The wrapping structure is provided with a wrapping inner cavity matched with the shape of the corner of the bottom of the paddle, and stable wrapping and clamping of the paddle are achieved through a first wrapping side plate, a second wrapping side plate and a bearing bottom plate. The hoisting connecting part comprises a first lifting lug and a second lifting lug which are respectively arranged on the outer sides of the two side plates; and each lifting lug is provided with a mounting hole for mounting an auxiliary hanging tool. By means of the unique double-lifting-point symmetrical design and the wrapping type clamping structure, the problems of overturning and unbalance caused by gravity center shifting in the traditional paddle lifting process are effectively solved, and dynamic gravity center compensation is achieved. And an anti-falling hanging tool, an observation window and a pressure sensing unit are arranged in the mechanism, so that the hoisting safety and controllability are further improved.

The utility model discloses a kind of adjustable excavating depth's harrow leveler, it is related to harrow leveler technical field.The utility model includes hull, further include: adjusting part, the adjusting part is installed on hull, for adjusting the excavating depth of harrow leveler;And winding part, the winding part is installed on hull, for adjusting the winding degree of lifting steel wire rope in adjusting part;Wherein, when the excavating depth of harrow leveler is adjusted according to actual demand, winding part is started, and the excavating depth of harrow leveler is controlled by the cooperation of adjusting part.The utility model is adjusted by setting adjusting part, when using, if the excavating depth of harrow leveler needs to be adjusted, motor can be started, motor will be driven winding roller by shaft and release lifting steel wire rope, since lifting steel wire rope is connected with harrow leveler, under the assistance of single-wheel block on A letter frame, harrow leveler can be adjusted to suitable excavating depth, after depth adjustment is completed, because the tow steel wire rope of both sides of hull is fixedly connected with harrow leveler.

The application discloses a safe anti-misoperation lighter and a use method thereof. The safe anti-misoperation lighter comprises a body, a gas storage cavity with an open lower end arranged in the body, and a valve control assembly communicated with the gas storage cavity. The valve control assembly comprises a gas inlet pipe extending into the gas storage cavity. The lower end of the gas storage cavity is sealingly and fixedly provided with an end plate. A through hole is arranged above the valve control assembly in the body. An electronic lighter is arranged in the body, and a pressing block is arranged above the electronic lighter. The upper end of the body is rotationally connected with a vertical shaft. The upper end of the vertical shaft is fixedly provided with a first horizontal plate. The end of the first horizontal plate is hingedly connected with a second horizontal plate. The lower end of the vertical shaft extends into the gas storage cavity and is arranged between the lower end of the gas inlet pipe and a valve core assembly for controlling the opening and closing of the gas inlet pipe. The first horizontal plate is provided with a fire outlet. The lighter not only has a simple structure, but also can effectively prevent misoperation.

This utility model relates to the field of clothing structure design technology and discloses a water-repellent multi-layer work jacket structure. The structure includes a garment body, sleeves fixedly connected to the outside of the garment body, a protective fabric fixedly connected to the bottom of each sleeve, a toothed chain fixedly connected to the bottom of each sleeve, a sleeve chain externally engaged with the toothed chain, and a detachable sleeve engaged at the bottom of the sleeve chain. The garment body has internal reinforcement components. In this utility model, the garment body unfolds due to zipper slippage during use. Flipping the protective fabric and pulling the sleeve chain releases the restriction of the toothed chain on the detachable sleeve, making it easy to remove. An external storage pocket can hold items such as tissues and chargers, increasing storage space and meeting the needs of long-distance travel. To install the detachable sleeve, pull the sleeve chain to align it with the toothed chain slot, allowing the sleeve chain to slide into the slot for quick installation.