1321 results about "Rubber band" patented technology

The invention relates to the technical field of civil engineering structure plate deformation joint connection, and discloses a civil engineering structure plate deformation joint connecting device and a using method thereof.The civil engineering structure plate deformation joint connecting device comprises at least two adjacent concrete plates, and a deformation joint is arranged between the concrete plates; the elastic rubber belt is arranged in the deformation joint, and the elastic rubber belt is arranged in the length direction of the deformation joint and used for connecting the adjacent concrete slabs and providing telescopic connection to adapt to thermal expansion and cold contraction or other deformation of the concrete slabs; the supporting structures are located on the two sides of the elastic rubber belt, and each supporting structure comprises a first supporting plate and a second supporting plate. The elastic rubber belts are arranged in the length direction of the deformation joint, flexible connection can be provided between the concrete slabs, thermal expansion and cold contraction or other displacement deformation of the concrete slabs caused by temperature changes and foundation settlement are effectively absorbed through the design, and therefore the situation that the concrete slabs crack or are unstable in structure is avoided.

To provide a hood cover for a cargo receiving truck which has both aesthetic appearance and airtightness and has a medium-high roof height to enable sleeping in the vehicle. 【assignment】 The canopy cover for the cargo receiving truck of the present invention covers the cargo bed of the cargo receiving truck in a box shape and has a flat or sloped top surface, and is equipped with folded edges of a predetermined width and thickness provided on the lower edge of both sides and the rear, locking bands that lock both sides and the rear of the folded edges, a plurality of cargo fastening tongues, and rubber cargo fastening bands that tighten and secure the cargo fastening tongues and the gate door loading hooks. The gate-shaped cross frame is made up of a gate-shaped reinforcing frame member equipped with connecting and fixing means that is connected and fixed to the side gate loading bed doors on both sides of the cargo receiving truck, and the suspension frame is made up of a plurality of reinforcing frame members equipped with extension means, pivoting and snapping means, and connecting and clamping means that suspend the gate-shaped cross frame and the torii gate.

The utility model discloses a novel box support opening device which comprises a machine frame, a conveyor used for conveying a box support is horizontally installed on the machine frame, a box supporting mechanism and a hooking and pulling mechanism are installed on the portion, at the tail of the conveyor, of the machine frame, and the box supporting mechanism is used for outwards supporting the box support on the rubber band fixing side; the hooking mechanism is used for unfastening the rubber band on the box support; a box taking mechanism and a material storing mechanism are further arranged on the rack, and the material storing mechanism is used for storing the disassembled box supports; the box taking mechanism is installed between the material storage mechanism and the conveyor and used for conveying the box supports unfolded on the conveyor to the material storage mechanism. According to the device, after rubber bands on the plastic box supports are rapidly taken down, the box supports are flattened and collected in a centralized mode, and therefore the box opening efficiency of the box supports is remarkably improved.

The invention relates to the technical field of hygienic products, in particular to a manufacturing method of a fine-denier rubber string waistline elastic body component and the waistline elastic body component. The manufacturing method of the fine-denier rubber string waistline elastic body component comprises the steps that 180-260 70-280 denier rubber strings are conveyed at the stretching ratio of 2.0-2.5, and when the rubber strings are conveyed to a laying procedure, the elastic strings are arranged at the stretching ratio of 2.0-2.5; the lower-layer non-woven fabric is laid with the stretching ratio of 2.5-3.0, then glue is sprayed to the rubber band, and the rubber band and the upper-layer non-woven fabric are compounded and bonded to obtain the waistline elastic body component. The invention aims to overcome the defect that the manufacturing cost is increased due to high defective product rate in the production process caused by high possibility of breakage of the thin rubber band in waistline layout in the prior art, and provides the manufacturing method of the fine denier rubber band waistline elastomer component and the waistline elastomer component, so that the occurrence of breakage of the thin rubber band in the production process can be reduced, and the manufacturing cost is reduced.

The utility model relates to the technical field of pet pull-ups, and discloses a pair of special pull-ups for a pet male dog, which comprises a pull-ups main body, an interior is arranged in the pull-ups main body, a core body is arranged in the interior, the pull-ups main body comprises a waist elastic loincloth and an interior, and the interior is arranged in the waist elastic loincloth. A core body, a waterproof film, a surface layer non-woven fabric and a bottom layer non-woven fabric are arranged in the waist elastic loincloth, a loincloth rubber band is arranged in the waist elastic loincloth, and the surface layer non-woven fabric covers the core body and the waterproof film. According to the pull-up pants special for the male pet dog, the pull-up pants body is worn on the male pet dog, it is guaranteed that the inner garment with the lengthened design is attached to the abdomen of the male pet dog, better wrapping performance can be provided, the waist is freely stretched out and drawn back, and the core body with the shortened design on the inner garment is located at the genital organ of the male dog; the genital organ of the male pet dog can be prevented from extending out of the pull-up pants body.

The invention relates to the technical field of rubber band production, in particular to a rubber band production raw material vulcanizing device which comprises a sealing tank door mounted at one end of a vulcanizing tank, and an automatic pressure relief mechanism for self-adaptively adjusting the internal pressure of the vulcanizing tank is mounted on one side of the vulcanizing tank. And a waste gas purifying mechanism for purifying toxic gas generated in the vulcanizing process is mounted at the top of the vulcanizing tank. When the pressure in the vulcanizing tank is too high, high-pressure gas rushes into the pressure relief pipe and pushes the sealing piston to move downwards to extrude the spring until the sealing piston moves to the position below the pressure relief hole, and at the moment, the high-pressure gas is discharged into a water body in the liquid storage tank through the pressure relief hole, so that automatic pressure relief is completed; harmful gas in the vulcanization process is subjected to water washing purification and activated carbon adsorption, and finally, exhausted gas is subjected to gas-liquid separation through a rotational flow plate, so that multiple purification of the harmful gas is completed, the harmful gas is prevented from diffusing in a processing site, and the body health of workers is better protected.

A lady tool half-body skirt relates to the technical field of skirts and comprises a skirt head and a skirt body with a lower hem, an elastic rubber band is arranged in the skirt head, a first rope outlet hole and a second rope outlet hole are formed in the front side of the skirt head, and the two ends of the elastic rubber band penetrate out of the first rope outlet hole and the second rope outlet hole respectively. The two ends of the elastic rubber band are connected with a first waistband and a second waistband respectively, the first waistband and the second waistband are provided with an adjusting male buckle and an adjusting female buckle respectively, the adjusting male buckle and the adjusting female buckle are matched in a buckled mode, and the two ends of the side, facing the adjusting female buckle, of the second rope outlet hole are both provided with round corners. By adopting the technical scheme, the condition that the skirt body falls off can be effectively avoided, the wearing experience of people is improved, the production time is saved, the production capacity is improved, the appearance is improved, and the whole half skirt is simpler and more attractive.

The utility model provides a paper diaper leakproof side wall structure which comprises a paper diaper body, leakproof side walls are arranged on the left side and the right side of the paper diaper body, the leakproof side walls are provided with inner-layer waterproof cloth and outer-layer waterproof cloth, and a plurality of rubber bands are arranged between the inner-layer waterproof cloth and the outer-layer waterproof cloth. The inner-layer waterproof cloth and the outer-layer waterproof cloth are bonded together, the leakage-proof side walls are provided with turnover parts, the turnover parts are located on the front waistline and the rear waistline of the paper diaper body, and the leakage-proof side walls are arranged on the two sides of the paper diaper body so that liquid can be prevented from leaking out of the two sides of the paper diaper body. Meanwhile, the turnover parts are arranged on the leakage-proof side walls to reinforce connection of the leakage-proof side walls, the turnover parts effectively reduce the height of the leakage-proof side walls on the front waistline and the rear waistline to prevent the leakage-proof side walls from tightening the roots of the thighs, meanwhile, the turnover parts are turned outwards to block liquid again, and the problems that the roots of the thighs are tightened by the leakage-proof side walls and liquid leaks are solved.

The invention relates to a speargun equipped with a system for improving performance and ergonomics. The essence of the invention is a system for stopping the contraction of the rubber bands on the lower side of the speargun in roller and inverted roller spearguns. The rubber bands are stopped by a stopping element positioned on the lower side of the speargun. In addition to this stopping element, the stopping of the rubber bands is also facilitated by a connecting element that links the left and right rubber bands, forming a loop that catches onto the stopping element, thereby preventing further contraction of the rubber bands. The stopping element can be implemented in a movable or fixed manner and positioned on the speargun in various ways, allowing different effects to be achieved — stopping the rubber bands at the end of the shot with full power and / or regulating the shot power. The speargun according to the invention allows quick and simple shot power regulation in both directions during the dive, as well as easier loading. Furthermore, by reducing vibrations at the end of the shot, it enhances shooting accuracy.

A medical ribbon binding device comprises a rack, a conveying assembly and a binding assembly are installed on the rack, the conveying assembly comprises a conveying base, at least two conveying rollers rotationally installed on the conveying base and a conveying belt arranged on the conveying rollers in a sleeving mode, and to-be-bound ribbons are placed on the conveying belt. One end of the strapping tape protrudes out of the conveying belt towards the side close to the strapping assembly, the strapping tape is conveyed through the conveying assembly, the strapping assembly straps a rubber band on the strapping tape, and a clamping mechanism in the strapping assembly hangs the rubber band on an expansion pull rod of an expansion mechanism in a sleeving mode. The expansion pull rod expands the rubber band and then pushes out the rubber band through the pushing mechanism so that the rubber band can be bundled on the strapping tape, manual participation is not needed in the whole process, automatic bundling is achieved, the production efficiency can be improved, and the labor cost can be saved.

The utility model relates to the technical field of pull-ups, in particular to pull-ups which comprise a pull-ups body, a waist opening is formed in the top of the pull-ups body, an elastic waistline is arranged at the position, close to the waist opening, of the pull-ups body, leg rubber bands are arranged at the positions, close to leg openings, of the pull-ups body, and the pull-ups body comprises a bottom film, skin-friendly non-woven fabric and an absorption core from outside to inside. Wherein after the pull-up pants are rolled up from the bottom position to the waistline position and rolled into a strip shape, due to the fact that an elastic band is arranged between a bottom-layer non-woven fabric and a surface-layer non-woven fabric, a first connecting band and a second connecting band are tightened to wind the pull-up pants, a bonding area is arranged on the side, away from a bottom film, of the first connecting band, and glue is smeared on the bonding area; in the winding process of the first connecting belt, the bonding area is bonded to the bottom film on the outer side of the pull-ups, so that the pull-ups are in a rolled state, and the problem that the absorption core is in an unfolded or folded state and easily emits peculiar smell due to the fact that the absorption core is in a discarded shape of conventional pull-ups is solved.

The utility model designs a Chinese chive harvesting and bundling all-in-one machine. The Chinese chive harvesting and bundling all-in-one machine comprises a supporting device, a gathering and harvesting device, a conveying device, a bundling device and a power device. The supporting device is used for supporting and fixing other devices and mainly comprises a vehicle body side plate, a vehicle body frame, a handrail, a motor base plate and an axle connecting plate. The gathering and harvesting device gathers and harvests Chinese chives and mainly comprises universal wheels, a supporting frame bottom plate, a supporting frame side plate, an extension rod, a gathering handrail supporting plate, a connecting frame, a gathering handrail, a direct current motor, a transmission bevel gear and a harvesting blade. The conveying device conveys harvested Chinese chives to the bundling device and mainly comprises a roller shaft, a roller, a roller bearing seat, a transmission straight gear, a roller supporting frame, a conveying belt, a direct current motor and a motor support. The bundling device is used for bundling harvested fragrant-flowered garlic and mainly comprises a bundling frame, a bundling overturning shaft, an overturning bearing seat, a ratchet wheel box, a ratchet wheel and shaft, a pawl wrench and shaft, a bundling rubber band, a direct-current motor and a support. The power device is used for transmitting power so that the machine can advance and mainly comprises wheels, a rear axle, a motor, a differential mechanism, a U-shaped support, a curved surface supporting plate and a power supporting frame. According to the Chinese chive harvesting and bundling integrated machine, Chinese chive harvesting and bundling integrated operation is achieved, the Chinese chive planting cost is reduced, and the economic benefits and the social benefits of Chinese chive planting are effectively improved.

The invention relates to the field of disposable hygienic products, in particular to a surface layer paper diaper with 3D (three-dimensional) convex points, which mainly solves the problem of poor use comfort caused by poor air permeability and liquid permeability of a surface layer of a paper diaper in the prior art, improves the air permeability and liquid permeability of the surface layer, and comprises a paper diaper body, the paper diaper body is provided with a front waist area, a crotch area and a rear waist area which are sequentially distributed in the longitudinal direction, the paper diaper body comprises a liquid-permeable surface layer, an absorption core layer and a liquid-tight bottom layer which are sequentially arranged in a stacked mode from top to bottom, and the liquid-permeable surface layer comprises hydrophilic non-woven fabric, hydrophobic non-woven fabric arranged on the two transverse sides of the hydrophilic non-woven fabric and elastic rubber bands. The hydrophilic non-woven fabric covers the upper surface and the two transverse side faces of the absorption core layer, the transverse outer side edge of the hydrophobic non-woven fabric is bent upwards, the elastic rubber band is arranged at the free end of the hydrophobic non-woven fabric to form a leakage-proof partition edge, and a downstream area with the width ranging from 3 mm to 8 mm is arranged between the leakage-proof partition edge and the absorption core layer in a hot pressing mode.

The invention discloses a test method for manufacturing a frozen soil sample and measuring frozen soil deformation by using a lateral confinement metal cylinder device, the lateral confinement metal cylinder device comprises a base, a support, a lateral confinement metal cylinder, a gland, a rubber membrane, permeable paper, permeable stone, a fastening screw and a rubber band; the base is located below the support and supports and fixes the support, and the top surface of the base is used for supporting the permeable stone, the permeable paper and the frozen soil sample; the support is located above the base and below the lateral confinement metal cylinder and used for supporting and fixing the lateral confinement metal cylinder. The lateral confinement metal cylinder is located above the support and below the gland, and the lateral confinement metal cylinder and the support are fixedly connected through a screw 8. The lateral confinement metal cylinder and the base form a cylindrical space on the side face and the bottom face and used for containing a frozen soil sample. A rubber membrane 5 is also arranged between the metal cylinder and the frozen soil sample and is used for isolating the frozen soil sample from the anti-freezing silicone oil; the gland is located at the top of the lateral confinement metal cylinder and used for transmitting pressure to the frozen soil sample during testing.

The utility model discloses a portunus trituberculatus binding machine case which comprises a middle frame part, a case cover is installed on the top of the middle frame part, a bottom plate is arranged at the bottom of the middle frame part, the middle frame part is a triangle defined by a left side face, a right side face and a back face, and baffles are arranged in front of the left side face and the right side face. The two baffles are crossed to form an included angle of 90-120 degrees, and a window is formed in the middle of each baffle; the machine box is completely matched with the swimming crab binding machine in a matched mode, the two baffles intersect to form the included angle of 90-120 degrees to be completely matched with two tongs of a swimming crab, specifically, when the two tongs of the swimming crab are placed into the window, the tongs and the baffles form the perpendicular relation, and the tongs of the swimming crab can stretch into a rubber band of the binding machine easily.

The utility model discloses a scoliosis correcting device, which belongs to the field of scoliosis correction and comprises a first correcting component and a second correcting component, the first correcting component comprises a plurality of straps, two ends of two straps are fixedly connected with first correcting blocks, two ends of the other straps are fixedly connected with second correcting blocks, and the second correcting blocks are fixedly connected with the second correcting blocks. Rubber bands are installed in the first correcting blocks and the second correcting blocks located on the two sides of the strap, and one side of each first correcting block and one side of each second correcting block are fixedly connected with a first side band and a second side band correspondingly. The first correction assembly is matched with the second correction assembly, so that the spine at the lateral bending position of a user can be accurately corrected, the practicability of the correction device is improved, meanwhile, the spine at the back of the user can be corrected, and the universality of the correction device can be improved.

The invention provides an elastic composite material and a preparation method thereof and a pants product, the elastic composite material comprises a first non-woven fabric, a second non-woven fabric and an adhesive elastic band arranged between the first non-woven fabric and the second non-woven fabric, the adhesive elastic band is an SEBS copolymer or contains an SEBS copolymer, and the adhesive elastic band is made of a thermoplastic elastomer. Wherein the adhesive elastic band imparts elasticity to the elastic composite material. The hot melt adhesive property and elasticity of the SEBS copolymer are combined, the inner layer non-woven fabric and the outer layer non-woven fabric of the waistline assembly are bonded together through online melting of the SEBS copolymer, stretchability and viscidity are provided at the same time, existing waistline rubber band and glue bonding is replaced, only the waistline non-woven fabric and the SEBS material are used for compounding, and in addition, the waistline elastic partition design is adopted, so that the elasticity of the waistline assembly is greatly improved. And the advantages of cost saving, air permeability, softness, wearing comfort improvement and the like are brought.

The clicker ring is a novel device for training animals, providing a minimalist, simple, and effective solution for trainers. The wearable clicker ring design provides hands-free usage and immediate animal feedback in training. The device features a wearable design with an elastic rubber band for one-size-fits-all comfort, a snap-together assembly for easy manufacturing, a sound chamber with windows to amplify the clicking sound, and a button mechanism with a limited press depth to prevent damage to internal components. Being worn on their finger, the clicker allows the user to provide immediate feedback when training animals. Wearing the clicker also allows the user's hands to remain free for holding other items or performing other tasks.

The utility model provides a double-end butt joint device for an elastic band. The rubber band sewing machine comprises a material conveying mechanism, a material pulling mechanism, a first rubber band sewing mechanism and a second rubber band sewing mechanism, the material pulling mechanism is used for pulling and conveying a rubber band in the material conveying mechanism into a material turning mechanism, and the first rubber band sewing mechanism and the second rubber band sewing mechanism are both used for sewing the rubber band; the device further comprises a turnover mechanism and a transfer mechanism. The first rubber band sewing mechanism, the material overturning mechanism and the second rubber band sewing mechanism are sequentially arranged along a straight line, and the material overturning mechanism is used for overturning, folding and butting two ends of a rubber band; the transferring mechanism is located on one side of the first rubber band sewing mechanism, the turning mechanism and the second rubber band sewing mechanism, and the transferring mechanism is used for transferring the turned, folded and butted rubber bands in the turning mechanism to the first rubber band sewing mechanism and the second rubber band sewing mechanism one by one. According to the device, on the premise that the machining efficiency is guaranteed, the stability of material conveying is improved to the maximum degree.

The speargun for underwater fishing comprises a metal spear provided with one or more engagement heels, a hand grip having a retaining mechanism for retaining the spear and provided with trigger for releasing the spear, a barrel having an upper longitudinal guide that slidingly supports the spear, a terminal head for engaging at least one rubber band for the propulsive thrust of the spear, the head having a front recess where at least one permanent magnet for attracting said spear is positioned.

The utility model relates to the field of flyknit vamps, in particular to a waterproof flyknit vamp which comprises a waterproof face and a breathable face, breathable cotton is connected to the two sides of the waterproof face through guide strips respectively, edge covering strips are arranged on the outer side of the waterproof face and the outer side of the breathable face respectively, elastic cloth is arranged on one side of the breathable face, waterproof cloth is arranged in the elastic cloth through a hidden groove, and the waterproof cloth is arranged on the breathable face. The waterproof cloth is installed in the guide strips and the edge covering strips in a limited mode through the rubber sliding blocks. According to the flyknit vamp, the flyknit vamp body is composed of the waterproof face and the breathable face, high breathability can be provided while waterproofness is guaranteed through the partition arrangement structure, meanwhile, in the actual use process, the waterproof cloth can be pulled out when needed through the arrangement of the rubber sliding blocks, the reset rubber bands, the limiting grooves and other structures, and therefore the flyknit vamp is convenient to use. The waterproof performance of the breathable surface is achieved through limiting of the edge covering strip and bonding and fixing of the rough surface, the overall waterproof performance of the flyknit vamp is effectively improved, and the use experience of consumers is effectively improved.

The speargun for underwater fishing comprises a spear, a hollow hand grip having therewithin a retaining mechanism for retaining the spear, a snap trigger of the retaining mechanism for the release of the spear, a hollow barrel fixed to the hand grip, a terminal head fixed to the barrel and supporting at least one lateral pulley on which a rubber band for the propulsive thrust of the spear is wound, and a housing for engaging one end of the rubber band, formed in a single piece with a wall of the hand grip and located in a transversal geometric plane of the speargun which includes the axis of the barrel and cuts the speargun into an upper half-part and a lower half-part.

The application discloses a full-automatic rubber band discharging structure and a working method thereof, relates to the technical field of discharging, and comprises a rotary screening device, a linear vibration device and a vibrating disc device. The linear vibration device comprises a linear vibrator arranged on a machine table and a vibrating seat mounted on the linear vibrator. Linear guide grooves are formed in the vibrating seat. The rotary screening device is arranged above the linear guide grooves and is in brushing cooperation with the upper end surface of the rubber band. The sliding friction between the rotary screening device and the rubber band is greater than the sliding friction between the linear guide grooves and the rubber band. The material channel comprises a first feeding part, a screening part and a second feeding part which are sequentially and mutually connected. The application preliminarily screens materials through the screening part, and the rotary screening device performs secondary screening, so that the finally conveyed rubber band better meets the production standard, the screening quality is improved, the overall production stability of the application is better, and the application has the advantages of reasonable structure design, convenient use, high production efficiency and the like.

The utility model belongs to the technical field of automobile brake machining, and particularly relates to an operation platform for machining an adjuster of an automobile brake, which comprises a base table and a support column, the support column is fixedly mounted on the bottom surface of the base table, and an adjusting mechanism is arranged on the upper surface of the base table. The adjusting mechanism comprises a hydraulic cylinder, a lifting column, a fixing plate, a driving motor, a rotating shaft, a circular seat and a placing table; and the hydraulic cylinder is fixedly mounted on the upper surface of the base table. According to the operation platform for machining the adjuster of the automobile brake, by arranging the adjusting mechanism, when the adjuster of the automobile brake is machined, the height of the containing table can be adjusted, and the direction of the containing table can be rotationally adjusted, so that the use convenience is improved; a groove is formed in one side of the upper surface of the placement table, a part placement box is fixedly mounted on the inner wall of the groove, so that parts can be placed and taken conveniently when the adjustor is machined, and an arranged fixing rubber band can fix the whole adjustor to avoid the situation of movement during machining.

The invention relates to the technical field of pipe fittings, in particular to a polypropylene HFB corrugated pipe with a locking connector structure, which comprises two polypropylene HFB corrugated pipe bodies, the two polypropylene HFB corrugated pipe bodies are spliced end to end, the splicing position of the two polypropylene HFB corrugated pipe bodies is sleeved with a pipe connecting sleeve, a reserved groove is formed in the outer ring surface of the pipe connecting sleeve, and the locking connector structure is arranged in the reserved groove. Two groups of locking joints are inserted into the preformed groove; the polypropylene HFB corrugated pipe has the beneficial effects that connection is achieved through matching of the pipe connecting sleeve and the locking connector, the pipe connecting sleeve and the polypropylene HFB corrugated pipe body are tightly combined together, the gap between the locking connector and the positioning groove is filled with the rubber band, the locking connector is further prevented from swinging at will, the connection stability is effectively enhanced, and large external force can be borne; risks of connection loosening and falling caused by external force or environmental factors are reduced, and safe and stable operation of a pipeline system is guaranteed.

The utility model discloses an auxiliary mechanism for shaping creases of women's shoes, which belongs to the technical field of women's shoe processing and comprises a height-adjustable support, a lower die and an upper die, the height-adjustable support is provided with a die support, the lower die is detachably mounted on the die support and is used for placing an upper surface, and the upper die is matched with the lower die to work and is pressed and covered on the upper surface. A plurality of extrusion edges are fixedly arranged on the lower end face of the lower die, a plurality of through shaping grooves are formed in the upper die, and the extrusion edges correspond to the shaping grooves one to one. According to the technical key points, after wrinkling of an upper rubber band, the upper rubber band is laid on a lower die, then an upper die covers the upper die to clamp and fix the upper, wrinkles are all located in a shaping groove, meanwhile, an extrusion edge on the die can support the wrinkles, through combined work of the extrusion edge and the shaping groove, the position and size of the wrinkles are limited, and therefore the production efficiency is improved. A uniform, unified and standard wrinkle shape can be conveniently formed after the wrinkles are heated and shaped by a cloth ironing machine, so that the standardization degree is improved.

By providing a folding edge portion, a locking band, and a lashing tongue piece on the cover for a loading truck, it is intended to provide a cover for a loading truck that has both aesthetic appearance and airtightness. 【Solution means】The cover 10 for a loading truck of the present invention is composed of a cover 11 and a cover holding member. At least a part of the cover 11 has a rectangular shape that covers the upper surface of the loading platform 34 of the loading truck K. The cover 11 is provided with a folding edge portion 16 having a predetermined width and thickness at the four side edge portions, a locking band 17, a plurality of lashing tongue pieces 18, and a lashing rubber band 15. The cover holding member 19 is connected to an edge portion of the side loading platform door 13 or the rear loading platform door 14 on both side surfaces of the loading truck K or a part of the frame of the torii located in front of the loading platform, and the cover 11 is covered from above the loading platform 34.

The utility model relates to the technical field of daily necessities, and discloses a high cranial crest fluffy clip which comprises an upper clip body and a lower clip body, the top of the upper clip body is fixedly connected with five upper clip teeth, the bottom of the upper clip body is fixedly connected with an upper end cover, the inner side of the upper end cover is provided with an upper sleeve hook, and the lower end of the upper clip body is provided with a lower sleeve hook. The top of the lower clamp body is fixedly connected with lower clamp teeth, the number of the lower clamp teeth is five, the lower clamp teeth correspond to the upper clamp teeth, the bottom of the lower clamp body is fixedly connected with a lower end cover, the inner side of the lower end cover is provided with a lower sleeve hook, and the lower sleeve hook and the upper sleeve hook are connected in a matched mode through a rubber band. A clamping groove is formed in the position, close to the center, of the outer surface of the front side of the lower clip body. The upper plastic hair clip solves the problems that existing upper plastic hair clips are various and can generally meet the requirements of decoration, fixation and attractiveness of female friends, but the number of products capable of giving consideration to attractiveness and fixation is small, or the fixing effect is good, or the decoration effect is good but the fixing effect is poor.

The utility model relates to an ejection rack device, belongs to the technical field of pneumatic ejection of unmanned aerial vehicles, and particularly relates to a rubber band power ejection rack device of a small unmanned aerial vehicle, which comprises a shell, and a motor is fixedly connected to the inner wall of one side of the shell; the unmanned aerial vehicle is placed on the placing frame, the motor is started to drive the rotating shaft to rotate, drive the half gear and the rack to move and drive the placing frame on the connecting block to move backwards, when the half gear and the rack are not meshed, the unmanned aerial vehicle can be catapulted through the rubber band catapulting assembly, and automatic catapulting of the unmanned aerial vehicle is achieved; according to the unmanned aerial vehicle ejection device, the practicability of the device is improved, then the working efficiency of unmanned aerial vehicle ejection is improved, and the problems that most existing devices are stretched through air cylinder structures when ejecting unmanned aerial vehicles, the air cylinder structures are prone to being influenced by the environment during use, the performance of air cylinders is prone to being influenced, and the service life of the air cylinders is prolonged are solved. And therefore, the working efficiency during ejection of the rubber band is reduced.