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27results about How to "Smooth folding" patented technology
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Folding house with aluminum alloy frame structure
PendingCN119663977Areduce weightImprove convenienceBuilding roofsWallsGreenhouseStructural engineering
The invention relates to a folding house with an aluminum alloy frame structure, and belongs to the technical field of buildings. The invention relates to a multi-functional greenhouse which comprises a supporting mechanism, a bottom mechanism, a roof mechanism, a side face mechanism, a gable mechanism and a connecting mechanism, the supporting mechanism comprises a bottom supporting piece, a stand column piece and a top supporting piece, the lower end of the stand column piece is connected with the bottom supporting piece, and the upper end of the stand column piece is connected with the top supporting piece; the upper end of the side face mechanism is slidably connected with the roof mechanism, the lower end of the side face mechanism is slidably connected with the bottom mechanism, the two gable wall mechanisms are connected and hinged to the two ends of the stand column piece respectively, and the bottom mechanism and the bottom supporting piece, the roof mechanism and the top supporting piece and the gable wall mechanisms and the stand column piece are hinged through connecting mechanisms. The container house has the effect that the problems that a container house is heavy and not easy to disassemble and assemble are solved.
Owner:BBMG RESIDENTIAL INDUSTRIALIZATION (TANGSHAN) CO LTD +2
Hot indentation device for hollow plate
The utility model relates to a hollow plate hot mark pressing device which is suitable for the field of hollow plate processing. The device comprises a support, two hot-pressing rollers rotating relatively are arranged on the support, a plurality of protruding annular hot-pressing teeth are evenly distributed on the hot-pressing rollers in the radial direction, a hot-pressing mark channel is formed, a motor drives a chain to conduct transmission, continuous machining of the hollow plate is achieved, and efficiency is improved. The hot-pressing roller is hollow to form a heat-conducting oil cavity, the hollow rotating shaft serves as an oil inlet and outlet channel, heat-conducting oil is circularly heated under the action of the conveying pump, the temperature is maintained at 180-220 DEG C, and it is ensured that the indentation quality is stable. A protective shell is arranged at the top of the device, and a feeding port and a discharging port are provided with height-adjustable L-shaped pressing plates, so that the device is suitable for plates with different thicknesses. According to the device, by optimizing the structural design, efficient and accurate hot-pressing mark machining is achieved, the machining quality of the hollow plate is remarkably improved, the service life of the hollow plate is remarkably prolonged, the production cost is reduced, and good market application prospects are achieved.
Owner:QINGDAO TIANFULE PLASTIC CO LTD
Battery cell insulation structure and battery cell
ActiveCN118899633Bimprove securityImprove yield rateCell component detailsElectrolyte accumulators manufacture
The present invention relates to the field of battery technology, and in particular to a battery cell insulation structure and a battery cell. The battery cell insulation structure comprises: an insulating member is provided with a mounting hole for accommodating a pole ear portion on a pole group, and a support portion is formed in the mounting hole and is arranged perpendicularly to the axis of the mounting hole; the size of the insulating member in the first direction is T, 2mm≤T≤10mm; the distance between the end of the mounting hole facing the inside of the battery cell and the support portion in the first direction is T1, and the size of the support portion in the first direction is T2; 0.8mm≤T1≤0.75T, and / or 0.5mm≤T2≤0.5T. The present invention can effectively support the shape of the folded pole ear portion, avoid the situation where the pole ear portion is inserted into the pole group invertedly to cause a short circuit, and avoid the situation where the volume energy sealing of the battery cell is reduced due to the excessive thickness of the insulating member, thereby ensuring reliable assembly of the pole group and the insulating member.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD
Folding chair
The application provides a folding chair with an unfolded state and a folded state, comprising a first chair leg frame, a second chair leg frame rotatably connected with the first chair leg frame to pivot relative to the first chair leg frame between an unfolded position and a folded position, and a seat plate structure comprising a seat plate and an auxiliary rod, wherein the seat plate comprises a first end and a second end, and the auxiliary rod comprises a third end and a fourth end; the first end of the seat plate is rotatably connected with the first chair leg frame, the second end of the seat plate is rotatably connected with the third end of the auxiliary rod, and the fourth end of the auxiliary rod is slidably connected with the second chair leg frame. The folding chair provided by the application is convenient and smooth to fold, and has high operability.
Owner:SHENZHENSHI LUTEJIACHENG SUPPLYCHAIN MANAGEMENT CO LTD
Automatic envelope edge folding device
ActiveCN222522181UImprove folding efficiencyFast folding processBag making operationsPaper-makingDrive wheelButt joint
The utility model discloses an automatic envelope folding device, which relates to the field of machining and comprises a lathe main body, a conveying belt is mounted in the lathe main body, an adjusting frame and a connecting frame are fixedly connected above one side of the lathe main body, and the adjusting frame is fixedly connected with a mounting block through a bolt. The bottom of the mounting block is fixedly connected with a creasing cutter through a bolt, and the connecting frame is fixedly connected with a connecting rod. The envelope folding device is provided with an adjusting frame, a mounting block, a creasing cutter, a connecting frame, a connecting rod, a connecting base, a fixing rod, a mounting frame, a rotating block, a pressing wheel, an air cylinder, an extrusion block, an extrusion plate, an edge folding plate and a threaded rod to form a two-side folding structure, and the two sides of an envelope are folded through the extrusion plate and the edge folding plate; a front end folding structure is formed through the butt joint rod, the letter folding plate, the driving wheel, the mounting rod and the transmission wheel, the front end of the envelope can be folded through cooperation of the letter folding plate, the driving wheel and the transmission wheel, the whole letter folding process is rapid, folding is uniform, and the envelope folding efficiency is high.
Owner:ZHEJIANG POST & TELECOMM PRINTING CO LTD
Warning board with folding function for highway bridge field detection
ActiveCN224281086UImprove work efficiencysmooth foldingTraffic signalsRoad signsArchitectural engineeringScrew thread
The utility model relates to the technical field of construction detection, in particular to a warning board with a folding function for highway bridge on-site detection, linkage unlocking of a conical buckle mechanism can be triggered by pressing a release button, so that two warning boards can be smoothly folded by single-hand operation, the rotating design of hinge connection ensures that the folding process is not blocked, and the folding safety is ensured. The fixing plate serves as a bearing core to keep structural stability, an elastic locking system composed of the connecting rod and the spring automatically resets when unfolded, tool assistance is not needed in the whole form conversion process, the working efficiency of a bridge detection site is greatly improved, and the supporting rod is rapidly separated through threaded fit of the screw and the connecting piece. The transportation and storage process is simplified through the inserting connection structure of the base and the connecting base, the notch provides sufficient activity space for the connecting piece to avoid interference, and the split type structure enables the device to meet the loading space requirements of different vehicles and is particularly suitable for bridge detection teams needing frequent transition.
Owner:刘成才
Carton folding mechanism with measuring and adjusting function
The utility model provides a kind of paper box folding mechanism with measuring adjustment function, it includes: first support device, second support device, first distance block and second distance block. Through the setting of first distance block and second distance block, the paper box folding mechanism can directly adjust the interval D between first support device and second support device according to the interval W between first rocker cover and second rocker cover, so that the interval D is equal to the interval W. The paper box folding structure thus arranged not only can avoid the tediousness of adjusting the interval D operation after measuring the interval W with the aid of measuring tool, improve the simplicity and speed of adjustment operation, but also after adjustment, when folding paperboard with gap, can effectively avoid the first support device from being stuck in the gap, making the paperboard folding process more smooth.
Owner:HANGZHOU HONGBA TRADING CO LTD
The structure of the eyeglass frame and temples
This utility model provides a frame and temple assembly structure for eyeglasses, comprising a frame with a first pivot portion on each side, each first pivot portion having a recessed hole and a plurality of first locking teeth around its periphery, and a first elastic groove adjacent to the first locking teeth. The inner surface of the first pivot portion has a tapered bevel. Each temple has a second pivot portion at one end, with a locking post embedded in the recessed hole. The second pivot portion has a plurality of second locking teeth that engage with the first locking teeth. Another temple has a second elastic groove on one end adjacent to the second locking teeth. This allows the second and first elastic grooves to be compressed and retracted respectively when the second and first locking teeth pivot relative to each other, facilitating smooth relative pivoting of the second and first locking teeth.
Owner:BORRION ENTERPRISE
Support and power line device
The utility model discloses a support and a power line device, the support comprises a scissors fork mechanism composed of a first guide rod, a second guide rod, a first fork rod group and a second fork rod group, the first guide rod and the second guide rod are respectively provided with a guide groove, the number of fork rods of the first fork rod group and the number of fork rods of the second fork rod group are equal, and when the number of the fork rods is more than two, the fork rods are hinged end to end in sequence. The head and the tail of the first fork rod group are respectively hinged with the end parts of the first and second guide rods; the head and the tail of the second fork rod group are respectively in sliding connection with guide grooves of the first and second guide rods; fork rods of the first fork rod group and corresponding fork rods of the second fork rod group on the lower side of the first fork rod group are hinged at intersections, so that the bracket can be unfolded and folded; the box body is arranged on the lower side of the second guide rod and used for installing an electrical device. The fork rods of the first fork rod group are provided with a power line fixing device along the length direction; the first guide rod and the second guide rod are provided with installation connecting devices. The power line device adopts the bracket, and a power line is fixed on the fork rod of the first fork rod group. The device is simple in structure and convenient to install and operate.
Owner:HUIZHOU CONFIDENCE ELECTRIC MFG CO LTD
Quick folding scooter
ActiveCN222663683Usmooth foldingreduce volumeCycle safety equipmentsFoldable cyclesControl theoryMechanical engineering
The utility model belongs to the technical field of scooters, and particularly relates to a quick folding scooter which comprises a pedal, a connecting frame, a handle rod, a front wheel and a rear wheel, a mounting seat is arranged at the front end of the pedal, a mounting space is formed on the mounting seat, the bottom end of the connecting frame is arranged in the mounting space, a connecting piece is arranged at the bottom end of the connecting frame, and a safety piece is arranged in the connecting piece in a sliding mode. A limiting hole is formed in the mounting seat, the outer end of the safety piece is arranged in the limiting hole and is clamped with the mounting seat, a clamping block is rotationally arranged in the mounting space, a first clamping groove is formed in the front end face of the connecting piece, the top end of the clamping block is arranged in the first clamping groove and is clamped with the connecting piece, an unlocking piece is arranged on the mounting seat, and the unlocking piece is connected with the clamping block. An abutting plate is fixedly arranged at the rear end of the mounting seat, an abutting rod is connected to the abutting plate in a threaded mode, and the inner end of the abutting rod abuts against the rear end face of the connecting piece, so that a user can rapidly fold the scooter, and the user cannot shake front and back when standing on the scooter.
Owner:浙江沪龙工贸有限公司
Road drainage channel
ActiveCN222525084USimple structuresmooth foldingSingle unit pavingsPaving gutters/kerbsStructural engineeringMechanical engineering
Owner:YUEYANG PLANNING SURVEY & DESIGN INST CO LTD
Folding magnetic keyboard
The utility model discloses a folding magnetic attraction keyboard relates to the technical field of folding keyboard, including first keyboard board and second keyboard board, and the top surface one side of first keyboard board is equipped with silica gel pad, and the other side of second keyboard board is equipped with the connecting plate, and the connecting place of first keyboard board and second keyboard board is equipped with the folding subassembly, the utility model discloses through the cooperation between angle chain, first hinged plate, second hinged plate and sliding slot, can realize the smooth folding and unfolding of first keyboard board and second keyboard board, and can complete the folding and unfolding without complex operation, through the support of first hinged plate, second hinged plate, the structural stability of keyboard unfolding has been strengthened, avoids the occurrence of shaking in use, through the cooperation of positioning post and positioning slot, contact and connecting slot, can make the connecting plate with second keyboard board accurate butt joint, both guaranteed the stability of connection, realized the stable electric connection of both, ensured display lamp, touchpad and other components and keyboard main body collaborative work.
Owner:DONGGUAN JUPU ELECTRONICS CO LTD
Flexible circuit board for high performance transducers
The utility model discloses a kind of flexible circuit board for high-performance transducer, belong to medical ultrasonic equipment technical field, including circuit area, superimposed area, auxiliary folding FPC, positioning FPC, connector and pad;Circuit area is equipped with FPC circuit, one side of circuit area is integrally connected with auxiliary folding FPC, FPC is equipped with FPC on slot on auxiliary folding FPC, the position of FPC on slot of circuit area is equipped with FPC lower slot, superimposed area is integrally connected with the bottom end of circuit area, superimposed area both ends are equipped with positioning FPC, and positioning FPC is equipped with positioning hole;Multiple foldable units are fixed to the back of superimposed area after folding along FPC on slot and FPC lower slot;The utility model uses the above structure's a kind of flexible circuit board for high-performance transducer, improves efficiency and the reliability of transducer by unique structure improvement and process optimization.
Owner:SUZHOU ICEFIELD TECHNOLOGY CO LTD
Stroller frame
ActiveCN224061038Uachieve foldingSmooth foldingCarriage/perambulator accessoriesCarriage/perambulator with multiple axesVehicle frame
Owner:ZHONGSHAN FENGSHUO DAILY PROD CO LTD +1
Portable anti-toppling foldable ladder
ActiveCN224282483Ufix stability issuesSolve the inconvenience of storageLaddersRatchetWorking environment
The utility model discloses a portable anti-toppling foldable ladder which comprises two rod bodies, a protection assembly is arranged on one side of each rod body, a folding assembly is arranged between the two rod bodies, and the problems that an existing ladder is insufficient in stability and inconvenient to store are effectively solved through mutual matching of the protection assemblies and the folding assemblies. The protection assembly adopts a meshing self-locking structure of a ratchet wheel, a pawl and an extension spring, automatic limiting can be achieved when the ladder is unfolded, the toppling risk caused by external force or operation shaking is prevented, the use safety is remarkably improved, meanwhile, the adjustable design of a first movable plate and a second movable plate is matched with limiting screw holes, the supporting stability is further enhanced, and the safety of the ladder is improved. The folding assembly is connected with the folding plate in a hinged mode through the rotating rod, the ladder is rapidly folded to be in an attached state, the occupied space is greatly reduced, carrying and storage are convenient, unfolding and folding operation is simplified through cooperation of a limiting bolt and an adjusting opening, and it is ensured that the folding process is smooth and the ladder is firm and reliable after being unfolded.
Owner:ZHEJIANG LEADER IND &TRADE CO LTD
A child's pushchair chassis
The utility model discloses a child's shallow skeleton, bottom support frame includes rear support, the rear support lower extreme be equipped with rear wheel, rear support upper end be equipped with rear support seat, the rear support seat on rotatable connection has the front support around first axis, the front support lower extreme be equipped with front wheel, the bottom support frame on rotatable connection has the push rod subassembly around second axis, the push rod subassembly with bottom support frame between still be equipped with in the push rod subassembly relative rear support rotating folding can drive front support and rear support rotating and draw close linkage subassembly, the bottom support frame on rotatable connection still has the handrail seat around third axis, the handrail seat on be equipped with handrail, the handrail seat with linkage subassembly between be equipped with in front support and rear support rotating and draw close can drive handrail seat and handrail relative rear support rotating folding transmission rod. The utility model discloses simple structure, and folding is smooth, and the volume is small after folding.
Owner:ZHONGSHAN ZETAI DAILY PROD CO LTD
Baby stroller convenient to store and fold
ActiveCN224117359UEasy to store and foldRealize relative rotation and foldingCarriage/perambulator accessoriesCarriage/perambulator with multiple axesInfant StrollersHandrail
The utility model relates to a baby stroller convenient to store and fold, which comprises two rear support rods, two rear wheels, two front support rods, two front wheels, a handrail, a seat and a protective guard, and folding components are mounted at joints of the two rear support rods, the front support rods and the protective guard; the folding assembly comprises two connecting cylinders located in the folding assembly, and first springs are fixedly installed on one sides of the inner walls of the two connecting cylinders. According to the baby stroller convenient to store and fold, when the baby stroller needs to be folded, a second tooth in a mounting cylinder is operated, and a third spring is compressed, so that the second tooth is separated from meshing structures of other parts; and then, force is applied to the handrail, the rear supporting rod, the front supporting rod and other components, a cylinder is driven to move relative to a connecting cylinder, a second spring is compressed, meanwhile, mounting block teeth are disengaged from first teeth, in the process, an inclined pressing block is extruded in the connecting cylinder, the first spring is compressed, and finally relative rotating folding of all the components is achieved.
Owner:马磊
Baby carriage folding structure
ActiveCN222646086Uavoid accidental rotationensure safetyCarriage/perambulator with multiple axesRotational axisVehicle frame
The utility model discloses a baby carriage folding structure which comprises a carriage frame assembly and a push rod assembly, a whole carriage folding structure is arranged between the carriage frame assembly and the push rod assembly, the push rod assembly comprises a lower rod and an upper rod, a push rod folding structure is arranged between the lower rod and the upper rod, and the push rod folding structure comprises a first rotating joint. The first rotating joint comprises a first rotating seat and a second rotating seat, a rotating shaft is arranged on the first rotating seat, a limiting hole is formed in the second rotating seat, and the rotating shaft is inserted into the limiting hole and can slide and rotate in the limiting hole; an inserting structure capable of limiting rotation of the first rotating seat and the second rotating seat after the first rotating seat and the second rotating seat are inserted is arranged between the first rotating seat and the second rotating seat, and a first joint lock used for locking the first rotating seat and the second rotating seat so as to limit relative rotation or relative movement of the first rotating seat and the second rotating seat in the length direction of the lower rod is further arranged between the first rotating seat and the second rotating seat. The folding chair has the advantages of being simple in structure, convenient to fold and stable in structure.
Owner:ZHONGSHAN ZETAI DAILY PROD CO LTD
An infant care structure
The utility model discloses a baby nursing structure, including the first support frame and second support frame that can be unfolded or gathered to each other, the first support frame includes two first support poles that set up mutually interval, the second support frame includes two second support poles that set up mutually interval, and the first support pole and second support pole of same side cross each other and rotatablely connect in the cross position, and the first flat support frame that can rotate unfolding or folding is hinged to the first support frame upper portion, and the second flat support frame that can rotate unfolding or folding is hinged to the second support frame upper portion, and, first flat support frame and second flat support frame also hinge each other, when the baby nursing structure is in the unfolded position, and first flat support frame and second flat support frame unfold each other and constitute the support piece for supporting baby, and the locking device is arranged between first flat support frame and second flat support frame, and the storage rack that can unfold or fold is still connected to the second support frame. The utility model discloses simple structure, and folding operation is convenient and smooth.
Owner:ZHONGSHAN YUANHAO DAILY PROD CO LTD
Folding bicycle reinforcing bottom support and folding bicycle
PendingCN121947589AImprove rigidityImprove carrying capacityHand carts with multiple axesHand cart accessoriesIndustrial engineeringSupport plane
The folding bicycle reinforcing bottom support comprises at least four stand column lower fixing bases arranged in a rectangular mode and at least one bottom support assembly, each bottom support assembly comprises a middle support and a supporting rod unit movably connected between the corresponding stand column lower fixing base and the middle support, and each middle support comprises a connecting part; one end of the supporting rod unit far away from the column lower fixing seat is movably connected with the connecting part; by the adoption of the method, through the design of the sliding grooves, motion stroke difference compensation is achieved when the two non-parallel supporting rods are unfolded or folded; in the unfolding state, the top supporting rod abuts against the top of the connecting part, meanwhile, the bottom supporting rod abuts against the bottom side of the connecting part through the abutting device, an up-down dual-supporting structure is formed, stress is dispersed, the rigidity and the bearing capacity of the bottom support assembly are greatly improved, and compared with the prior art, the cost of a supporting frame is saved; in addition, compared with the prior art, the whole bottom support assembly can be smoother, and goods can be placed more conveniently.
Owner:袁义恒
Folding anti-pinch structure of a skateboard
The utility model discloses a folding anti-pinch structure of sliding plate, including first folding board, and with the hinge connection of second folding board of first folding board formation, and set up in the spring telescopic structure of first folding board, and set up in the limiting bayonet of second folding board folding face, spring telescopic structure includes setting up in the spring ejection structure of first folding board inside, and set up first folding board inside, via spring ejection structure and go out, and the telescopic card convex that matches with limiting bayonet, this folding anti-pinch structure of sliding plate can guarantee folding process safety, and can improve the convenience of use.
Owner:SUKULE INTELLIGENT TECHNOLOGY (GUANGZHOU) CO LTD
Stroller framework
ActiveCN224184322Ucompact structureSmooth and flexible deploymentCarriage/perambulator accessoriesCarriage/perambulator with multiple axesControl theorySupport plane
The utility model discloses a stroller framework which comprises a bottom supporting frame, the bottom supporting frame comprises a first supporting leg and a second supporting leg, wheels are arranged at the lower end of the first supporting leg and the lower end of the second supporting leg, a first connecting base is arranged at the upper end of the first supporting leg, and the upper end of the second supporting leg is rotatably connected to the first connecting base around a first axis. The upper end of the bottom supporting frame is rotatably connected with a push rod assembly, and a linkage assembly capable of driving the first supporting leg and the second supporting leg to rotate and draw close to each other when the push rod assembly and the bottom supporting frame rotate and draw close to the bottom supporting frame is arranged between the push rod assembly and the bottom supporting frame. The seat frame and the first connecting base are rotatably connected around a third axis, and a transmission rod hinged to the seat frame and the push rod assembly and capable of driving the seat frame to rotate and draw close to the first supporting leg when the push rod assembly rotates and draws close to the bottom supporting frame is further arranged between the seat frame and the push rod assembly. The folding chair is simple in structure, flexible to fold and small in size after being folded.
Owner:ZHONGSHAN JIBAO TECHNOLOGY CO LTD +1
Waistband folding device
The utility model discloses a kind of waist folding device, including rack, and upper folding mechanism, lower folding mechanism, material blocking mechanism being installed on rack;Wherein, lower folding mechanism includes lower bearing unit, lower auxiliary bearing unit, lower long side folding unit and lower short side folding unit;Upper folding mechanism includes first upper lifting and lowering platform, upper material pressing unit, upper long side folding unit and upper short side folding unit;Material blocking mechanism includes two material blocking plates, material blocking lifting and lowering drive component and two material blocking linear drive components;The utility model can complete the folding of jeans waist part and the inside edge cannot be exposed.
Owner:TAIZHOU WEIMAR AUTOMATION TECH CO LTD
Child's basket
ActiveCN224722956UEfficient, unified and stableEfficient unified portability
This application discloses a child carrier, including a foldable carrier frame and a carrier frame locking mechanism that locks the carrier frame in an unfolded state. The carrier frame includes: an upper frame, which includes a foldable first upper frame and a second upper frame; a lower frame, which includes a first lower frame and a second lower frame; foldable support rods, which include a first support rod and a second support rod rotatably connected at their lower parts and foldable; the upper end of the first support rod is rotatably connected to the first upper frame, and the upper end of the second support rod is rotatably connected to the second upper frame; the lower part of the first support rod is rotatably connected to the first lower frame; a first connecting rod, the upper end of which is rotatably connected to the first upper frame, and the lower end of which is rotatably connected to the lower frame; and a second connecting rod, the upper end of which is rotatably connected to the second upper frame, and the lower end of which is rotatably connected to the second lower frame. This application achieves a highly efficient balance between stability and portability through a clever combination of a small number of rods and rotatable connection points.
Owner:TLR DESIGN TRADING CO LTD
Glass transfer chuck structure
The utility model discloses a glass is transported and is used sucking disc structure relates to glass sucking disc field, the utility model discloses a main support, the lower sides of main support are equipped with vice support through the hinge rotation installation, are used for the rotation contraction of two groups vice support, a plurality of sucking disc assemblies are installed with array on vice support, and the angle of two groups vice support is installed with support mechanism between, is used for stabilizing two groups vice support's angle, realizes the unfolding of two groups vice support, the utility model discloses a main support is connected with two sides vice support rotation through the hinge, makes two groups vice support and can be folded inwards and is contracted around the hinge axle, and the sucking disc assembly is folded and is gathered with vice support synchronously, and the overall structure volume is greatly reduced, has solved the difficult problem of transportation and storage of traditional fixed type sucking disc frame because of oversize, simultaneously, the support mechanism is locked vice support's unfolding angle through the linkage action of screw rod or connecting rod when unfolding, ensures the stability when glass adsorption.
Owner:GUANGDONG HUIHUA GLASS TECH CO LTD
Noise reduction device for campus building construction
ActiveCN224200072USolve installation difficultiesFast connectivityFencingSound proofingClassical mechanicsNoise reduction
The utility model discloses a noise reduction device for campus building construction, and belongs to the technical field of building construction noise reduction. A sound insulation mechanism is arranged in a groove of the U-shaped base, a first threaded hole is formed in the groove, first containing grooves are formed in the outer wall of the U-shaped base, a second buckle is fixed in each first containing groove, a fixing rod is placed in each first containing groove and clamped through the corresponding second buckle, and a threaded rod is fixed to one end of each fixing rod. The other end of each fixing rod is provided with a second threaded hole matched with the corresponding threaded rod, each threaded rod is used in cooperation with the corresponding first threaded hole or second threaded hole, and each fixing rod is used in cooperation with the sound insulation mechanism. Due to the characteristics of simple structure, convenience in mounting and dismounting, strong adaptability, easiness in maintenance, enhanced wind resistance, convenience in carrying and storage and the like, the problem that the noise of campus building construction affects the surrounding teaching environment and the normal life of students and faculty workers is effectively solved; and a feasible solution is provided for noise prevention and control of campus building construction.
Owner:HEILONGJIANG PROVINCIAL CONSTR ENG GRP CO +1
A composite folded nonwoven fabric
This utility model discloses a composite folded nonwoven fabric, including a nonwoven fabric body. The body has a main folding groove and multiple creases symmetrically arranged on its upper and lower surfaces. The main folding groove and creases are all located on the surface layer. The body is composed of a central layer, an adhesive layer, and a surface layer. The central layer is a polyester fiber layer, the adhesive layer is a glass fiber layer, and the surface layer is a PET or PP nonwoven fabric. A glass fiber-polyester fiber composite layer is provided in the adhesive layer near the folding area of the main folding groove. An acrylic or silicone pressure-sensitive adhesive coating is provided on the outer surface of the main folding groove. 0.1-0.3mm micro-perforations are opened on the glass fiber of the adhesive layer. This utility model solves the problems of existing nonwoven fabrics easily slipping out of the mounting frame due to elastic recovery after folding and low tear resistance. It achieves precise folding and positioning through the main folding groove and creases. The composite layer and the materials of each layer work together to improve strength. The adhesive coating prevents rebound after folding. The micro-perforations ensure air permeability. It is suitable for filter cartridges and other applications.
Owner:JIANGYIN JIANFA SPECIAL TEXTILE CO LTD