48results about How to "Flexible length adjustment" patented technology

The utility model discloses a kind of dust removal skeletons for flue gas filtering, comprising: skeleton body;Skeleton body includes movable lid of upper end and the barrel body of lower end arrangement installation;Movable lid includes the internal thread of its inner end setting;Barrel body includes the upper support ring and lower support ring of its upper and lower end respectively fixed installation, the upper fixed frame and lower fixed frame of upper support ring and lower support ring inner end respectively fixed installation.The utility model said a kind of dust removal skeletons for flue gas filtering, the barrel body of skeleton body lower part, can be carried out convenient thread connection by the stud and the threaded hole of its upper and lower end upper fixed frame and lower fixed frame middle part, to adjust the length of skeleton body whole according to use requirement, to improve its assembly convenience and adjustment convenience, simultaneously, middle support ring welded in barrel body middle part, and the support strip supported to support rod inner end by middle support ring upper and lower end, barrel body middle part's stability and impact resistance can also be enhanced, to improve its stable performance in use.

The utility model relates to mechanical arm technical field discloses a kind of lightweight mechanical arm structure and manipulator, including base, the top of the base is fixedly connected with mounting support, the top of the mounting support is rotatably connected with rotating support, the top of the rotating support is rotatably connected with mechanical arm body, the outside electrical connection of the mechanical arm body is connected with connecting wire, the outside right side front and rear ends of the mechanical arm body are fixedly connected with mounting bracket, the outside right side sliding connection of the mechanical arm body has extension column. In the utility model, press rotating clamping plate to make positioning clamping rod disengage from clamping groove, can pull extension column and adjust length;Loosen after in place, install spring rebound and let clamping rod tightly clamping groove fixed, it is easy to operate, can flexibly adjust mechanical arm length, spring power fixing is stable, adapt to different operation range requirement, improve the versatility and operating convenience of mechanical arm, ensure that the structure is stable and reliable after adjusting.

This utility model relates to the field of automation equipment technology and discloses a highly adaptable transmission slide module. A second base is slidably mounted on a first base via a slide rail pair. Second fixed rails are fixedly mounted on both the front and rear sides of the upper part of the second base. A second slider is slidably mounted on the second fixed rail. Both the first and second sliders are fixedly mounted at the bottom of a movable frame. A support platform is fixedly mounted on the movable frame. An adjusting screw is rotatably mounted on the second base via a bearing, and is also rotatably inserted into the first base via a thread. Connecting frames are fixedly mounted on the upper left side of the first base and the upper right side of the second base. A driving screw is movably sleeved on the driving rod, with one end of the driving screw rotatably inserted into the connecting frame via a bearing. This allows for flexible adjustment of the overall length of the module according to the space requirements of the actual installation scenario, reducing installation difficulty and equipment modification costs, and significantly improving the versatility and adaptability of the transmission slide module in diverse installation scenarios.

This application relates to a hoisting tool for small-sized seedlings, belonging to the field of seedling hoisting. The device includes two symmetrical connecting rods, which are rotatably connected to a rotating rod via a pivot. The surfaces of the two rotating rods are rotatably connected via the pivot. A chain is provided on the rear side of each rotating rod, and a fixing block is provided at the top of the rear rotating rod. A slidable sliding pin is provided through the right side of the surface of the fixing block. One end of the chain is fitted onto the surface of the sliding pin. Circular columns are fixedly connected to both the front and rear sides of the sliding pin, and a circular block is fixedly connected to the bottom of the sliding pin. This application allows the connecting rods, rotating rods, and arc-shaped clamps to work together, enabling the two arc-shaped clamps to directly clamp small soil balls, wrap the chain around the surface of the tree trunk, and then, through the cooperation of hooks, sliding pins, and circular columns, the two ends of the chain are hooked onto the surfaces of the hooks and circular columns, thus securing the chain.

This invention discloses an integrated multi-nozzle air-assisted 3D printing nozzle, comprising an upper horizontal plate, a lower horizontal plate, m material feed cylinders, and a heating element, where m is 3-100. The upper horizontal plate is located above the lower horizontal plate, and the two together form an air chamber. An air inlet is provided on the air chamber. The top wall of the air chamber has m material feed cylinder channels, and the bottom wall has m gas channels. The m material feed cylinder channels and m gas channels are all vertically arranged and simultaneously connected to the air chamber. The m material feed cylinders are vertically arranged, and each material feed cylinder has a discharge port at its lower end. The m material feed cylinder channels, m gas channels, and m material feed cylinders correspond one-to-one. The top of the i-th material feed cylinder is located within and sealed to the i-th material feed cylinder channel, and its bottom is located within the i-th gas channel, with a gap between them for gas passage, i = 1, 2, ..., m. This invention has a simple structure and effectively solves the problems of existing technologies that cannot achieve multi-nozzle printing and simultaneous air-assisted 3D printing of multiple materials and colors.

This utility model discloses a coiled rope hook device, characterized in that it comprises two coils, a rope, a hook, a hollow column, a limiting hole, and a fixing component. The two coils have limiting holes on their outer edges and are placed at both ends of the hollow column and connected and fixed by the column. One end of the rope is fixed to the hollow column, and the other end is connected to the hook. The rope is wound around the hollow column and retracted, with the limiting hole providing a limiting effect. The fixing component is either a coiled rope or a telescopic assembly. This utility model coiled rope hook device has a simple structure. When used in a car, it is placed inside a cup holder, allowing for flexible adjustment of the hook rope's angle and length for convenient use by the driver and passenger. It has strong load-bearing capacity and can hang items such as keychains, plastic bags, and garbage bags. When not in use, it can be retracted and placed inside the cup holder, maintaining the car's aesthetics and tidiness. It can also be used in other applicable scenarios.

The utility model discloses a kind of without external installation's air conditioning hole waterproof, prevent insect and ant, beautifying device, belong to air conditioning hole protection technical field, including the outer sleeve installed in air conditioning pipe hole inside, the inner tube of the outer sleeve is slidably installed with inner sleeve, the limiting frame that the inner sleeve after adjustment is positioned is provided on the outer sleeve, the end side surface of the outer sleeve away from outer sleeve is distributed with the opening for passing through pull rope, inner soft rubber baffle pipe for closing opening is clamped in the inner tube of inner sleeve, the outer sleeve includes the outer tube for being installed in air conditioning pipe hole, outer tube soft rubber sleeve is installed at the position of inner wall surface, by optimizing structure design, inner sleeve includes the inner tube of sleeve connection in the inner tube of outer sleeve, realize whole indoor operation installation, effectively solve the water seepage, insect and ant invasion problem existing in existing air conditioning hole, and improve hole overall appearance degree, with adjustable simultaneously, adapt to the installation demand of different thickness wall.

This application relates to the field of energy storage box technology and discloses a portable home energy storage box, including an energy storage box body. Multiple guide rails are fixedly connected to the outer walls of both sides of the energy storage box body. Sliding strips are slidably connected to the inner walls of the guide rails. Universal wheels are installed at the bottom ends of the multiple sliding strips, and a top frame is fixedly connected to their top ends. A lifting mechanism for adjusting the height of the multiple universal wheels is installed between the top frame and the energy storage box body. A handle is hinged to the top outer wall of the top frame through a connecting seat. In this utility model, the lifting mechanism can realize the flexible lifting and lowering of the universal wheels. When it is necessary to move the energy storage box, the handle is turned to drive the two-way lead screw, which drives the nut ring and connecting rod to move, so that the universal wheels lower and contact the ground, easily supporting the energy storage box. Users can use the universal wheels to achieve 360-degree free turning and movement, whether moving between different rooms in the home or pushing it on complex outdoor terrain, it can easily cope with the situation.

The utility model relates to robot arm technical field, and disclose an intelligent robot arm of extension, include: work support platform, steering support platform, support mechanical arm no.

This utility model discloses a plate heat exchanger with a reinforcement device, comprising: a heat exchange core formed by stacking multiple heat exchange plates sequentially, a reinforcement device disposed on the outside of the heat exchange core, the reinforcement device comprising oppositely arranged reinforcement components, each set of reinforcement components comprising a transverse reinforcement member and a longitudinal reinforcement member, the transverse reinforcement member being disposed along the width direction of the heat exchange core and abutting against the edge of the heat exchange plate, the longitudinal reinforcement member being disposed along the height direction of the heat exchange core and having both ends connected to the transverse reinforcement member, the transverse reinforcement member and the longitudinal reinforcement member forming a reinforcement frame to apply radial constraint force to the heat exchange core. By the transverse reinforcement member and the longitudinal reinforcement member of the reinforcement device enclosing and forming a reinforcement frame, the radial constraint force applied to the heat exchange core can effectively resist the impact of fluid pressure fluctuations on the heat exchange core, reduce the overall shaking or dispersion of the core formed by stacking multiple heat exchange plates due to uneven force, and significantly improve the overall structural stability of the heat exchange core.

This utility model discloses a buffer pack for working at heights, specifically relating to the technical field of protective equipment for working at heights. It includes a buffer pack with a safety belt fixedly installed on one side. The buffer pack has an internal buffer cavity containing a polyethylene foam board. An adjustment mechanism is also included inside the buffer pack. This mechanism includes a connecting plate fixedly installed on the inner wall of the buffer pack. A rotating shaft is rotatably mounted at one end of the connecting plate, and one end of the shaft passes through and is rotatably connected to the buffer pack. A winding roller is fixedly mounted on the surface of the rotating shaft, and a safety rope is wound around the surface of the winding roller. This utility model allows workers to flexibly adjust the length of the safety rope to adapt to different work scenarios. It also ensures smooth deployment and retraction of the safety rope, preventing tangling and knotting, providing comprehensive, convenient, and efficient safety protection for working at heights. Furthermore, it effectively absorbs the impact of falls, reducing the risk of injury to workers.

The utility model discloses a bridge construction protection device, including two groups of the load bearing seat of approaching bridge deck slab bridge side and a group of the load bearing plate of being able to move and insert between two groups of load bearing seat, the inside of two groups of load bearing seat has cavity respectively, a plurality of insert connection hole A is seted up on the load bearing plate, a plurality of insert connection hole B is seted up on the load bearing seat, and insert connection hole B with insert connection hole A position can be aligned, after the both ends of load bearing plate are movably placed in the cavity, through long foot bolt along insert connection hole B and insert into insert connection hole A, realize the fixation of load bearing plate in the cavity, the downside of load bearing seat is fixed with the curved support, and the upper portion and the middle portion position of curved support correspond respectively and install the up walking gyro wheel and the side walking gyro wheel. The present application can provide stable operation platform, support the flexible movement of the edge area and can cover two sides bridge deck slab construction demand simultaneously.

This utility model discloses an indoor power distribution cable wall-penetrating protective installation device, relating to the field of wire installation technology. The device includes a first protective arc plate and a second protective arc plate. The first protective arc plate is hinged to the second protective arc plate. The second protective arc plate has a fixing structure and an adjustment structure, which is located on the first protective arc plate. This device, through the first and second protective arc plates and the first and second telescopic arc plates, forms a complete circular tube structure, completely enclosing the wall-penetrating cable and isolating it from the sharp edges of the wall. Even with long-term use, it effectively protects the cable insulation layer, preventing dangerous situations such as leakage and short circuits. The protective sleeve is fixed by gaskets and locking nuts, allowing for flexible adjustment of the overall length of the protective device to ensure a tight fit to walls of different thicknesses, further improving the ease of installation.

The utility model discloses an adjusting type cable erecting device for electrical engineering relates to cable erecting technical field, the utility model discloses a cable frame, the cable frame includes fixed box no.

This utility model relates to the field of railing facilities technology, and discloses a progressive railing facility for urban tunnel entrance control, including a base plate, a main rod fixedly connected to the base plate, a secondary rod fixedly connected to the main rod, one end of the secondary rod fixedly connected to the base plate, a reflective sticker on the secondary rod, a receiving cavity inside the base plate, a support frame fixedly connected to the base plate, a threaded rod rotatably connected to the support frame, the lower end of the threaded rod rotatably connected to the base plate, and a cross plate threadedly connected to the threaded rod. In this utility model, through the linkage design of the universal wheels, threaded rod, sliding rod, and foot plate, the device can be quickly deployed and withdrawn. In use, rotating the threaded rod makes the foot plate fit with the ground, providing stable support, and can be further reinforced with fixing holes or counterweights; during transfer, the reverse operation makes the foot plate lift off the ground, and the universal wheels can be used for easy movement, greatly reducing manpower consumption and significantly improving the efficiency of facility transfer.

The utility model relates to the field of leaky board, especially leaky board hoisting device, including frame assembly, the hoisting assembly of connecting on frame assembly and the auxiliary assembly of connecting on hoisting assembly. The utility model discloses through the track movement, realized the hoisting and positioning of leaky board, and greatly promoted the stability of operation, through the cooperation of slide rail, base and bed in frame assembly, make whole hoisting device can along the track horizontal movement, improve the flexibility of continuous installation and alignment operation, through frame assembly, hoisting assembly and auxiliary assembly improve the security of device, connecting rod and first screw and support seat and second screw can flexible adjustment slide rail's length and keep the stability of whole device, the impact and damage that the limiting block of nylon material avoids hard material collision brings, rubber gasket reduces the wear and tear of hoisting rope, improves the security, the counterweight further promotes the anti-overturning ability of device.

This utility model relates to the field of fire extinguishing device technology, specifically a novel carbon dioxide fire extinguishing device for firefighting. The utility model includes a fire extinguisher body, with an opening / closing valve assembly fixedly installed at the upper end of the fire extinguisher body. A flexible hose is fixedly sleeved inside one side of the opening / closing valve assembly, and a handle bracket is fixedly installed at one end of the flexible hose. One end of the handle bracket is provided with a fixing component for easy disassembly and installation of an extension handle. This utility model allows for the extension or retraction of a second steel pipe relative to a first steel pipe by rotating a screw, thereby flexibly adjusting the length of the entire adjusting assembly. This allows firefighters to quickly adjust the position of the nozzle sleeve according to the distance to the fire source and the size of the fire, ensuring firefighting operations are carried out from a safe distance. This prevents the hose and nozzle from failing to accurately spray carbon dioxide to the core area of ​​the fire, reducing the risk of ineffective fire coverage and resulting in low fire extinguishing efficiency.

The utility model belongs to secondary battery technical field discloses a kind of sodium metal negative electrode film coating devices, it includes support component, first adjusting component and second adjusting component.First sliding plate is set to support component, first adjusting plate is slidably connected in first direction adjustablely in first sliding plate, two first adjusting plates and first sliding plate form adjustable length coating port between, second sliding plate is slidably connected in second direction adjustablely in support component, second adjusting plate is slidably connected in first direction adjustablely in second sliding plate, and it is detachably connected in first adjusting plate by connecting plate, first sliding plate, first adjusting plate, second sliding plate, second adjusting plate and connecting plate are enclosed to form volume adjustable material chamber, material chamber is communicated with outside by coating port.Through above-mentioned setting, the sodium metal negative electrode film coating device of the application can flexibly adjust coating port size and the volume of material chamber, satisfies the coating demand of diversification.

The utility model relates to a chain type hoop device for pipe pile, including I -shaped chain link, buckle structure and locking structure, I -shaped chain link includes chain link A and chain link B, a plurality of chain link A and a plurality of chain link B staggered connection and common constitute long chain structure, buckle structure includes fastener A and fastener B, fastener A links with chain link A and fastener B links with chain link B, because fastener A and fastener B movable insertion, therefore chain link A and chain link B are linked through buckle structure activity, locking structure includes socket and plug, socket and plug are connected with the both end of long chain structure respectively, socket is provided with installation groove in, plug is equipped with spring in, after plug inserts installation groove, locks in installation groove through spring, the utility model reaches beneficial effect is: can lengthily adjust length and can realize good locking.

The utility model relates to the technical field of joint prosthesis, disclose 3D printing adjustable femur half joint prosthesis, including joint prosthesis one, the inner wall rotation of joint prosthesis one is connected with the rotating ring, the inner wall of rotating ring is provided with auxiliary assembly, the lower surface fixed connection of auxiliary assembly is in the upper surface of joint prosthesis one, the inner wall sliding connection of rotating ring has screw tooth, the inner wall fixed connection of screw tooth has transmission column, the outer wall fixed connection of transmission column has joint prosthesis two, the outer wall fixed connection of joint prosthesis two has joint prosthesis three. In the utility model, since transmission column and joint prosthesis two are fixedly connected, so when transmission column moves up and down, will drive joint prosthesis two to move up and down, and then drive joint prosthesis three to move, and then realize length adjustment to prosthesis, make medical staff can flexibly adjust the length of prosthesis according to patient's own demand, improve the effect of prosthesis applicability.

The utility model relates to material carrying and hoisting transportation technical equipment, and discloses a balance hoisting device which comprises an I-shaped mounting rod, a supporting rod, a chassis structure, a supporting structure, a hydraulic adjusting structure and a suspension arm structure, the chassis structure, the supporting structure, the hydraulic adjusting structure and the suspension arm structure are integrated into a whole, and the chassis structure achieves flexible movement and stable gravity center through an extension rod, a cross rod and rollers at the bottoms of the four corners. The symmetrically-distributed connecting rods and the auxiliary supporting rods form a triangular supporting frame, lateral torque generated by eccentric loads is counteracted, the hydraulic adjusting structure drives a suspension arm rod sleeve to rotate through a hydraulic cylinder, a hydraulic rocker and a four-connecting-rod mechanism, and precise adjustment of the lifting height and angle is achieved in cooperation with a plug pin type extending suspension arm. The lifting hook structure integrates the anti-falling pressing rod and the reset spring, materials are prevented from falling off accidentally, through a multi-fulcrum mechanical balance system, hydraulic dynamic adjustment and safety protection design, the stability, flexibility and safety in the lifting process are remarkably improved, and the material carrying requirement under the complex working condition can be met.

This utility model discloses a cutting device for PET protective film, including a cutting blade, a disassembly block, and a connecting rod. The upper end face of the cutting blade is provided with a snap-fit ​​groove. The disassembly block is provided with a sliding frame. A snap-fit ​​plate is slidably fitted onto the sliding frame through a first elastic mechanism. The disassembly block is provided with a connecting groove, and the outer wall of the disassembly block is provided with multiple positioning holes. This utility model achieves quick disassembly and assembly of the cutting blade and the disassembly block through the snap-fit ​​groove and L-shaped snap-fit ​​plate in conjunction with a first spring. The positioning block and positioning holes of different heights in conjunction with a second spring enable the overall length adjustment of the device and convenient separation of the connecting rod from the disassembly block. The angle adjustment of the rotating plate is achieved by using a regular hexagonal limiting frame and limiting groove in conjunction with a third spring. The whole device can efficiently replace the cutting blade, flexibly adapt to the gripping needs and postures of different operators, save maintenance time, improve operating comfort and flexibility, and ensure cutting accuracy.

The embodiment of the present disclosure provides a semiconductor structure and a preparation method thereof. The semiconductor structure comprises: a substrate; a first dielectric layer on the substrate, the first dielectric layer comprising a first sidewall and a second sidewall oppositely arranged and extending upwards in a direction protruding from a plane of the substrate, and a first surface adjacent to the first sidewall and a second surface adjacent to the second sidewall; a first channel layer, the first channel layer comprising at least a first sub-portion covering the first surface and a second sub-portion covering the first sidewall; a second channel layer, the second channel layer comprising at least a third sub-portion covering the second surface and a fourth sub-portion covering the second sidewall; and a gate layer, the gate layer covering part of the first channel layer and part of the second channel layer.

The utility model discloses an oral cavity moistening device with pipeline quick mounting structure relates to oral care equipment technical field, the utility model discloses an oral cavity humidification appearance and sets up the water jar on oral cavity humidification appearance, the top intercommunication of water jar is provided with the connecting pipe no.

The utility model discloses an assembled and spliced iron bed frame relates to bed field, including long branch leg and rail pipe, one side fixedly connected with rail pipe of long branch leg, one side of rail pipe is provided with short branch leg, the top of rail pipe is connected with the grooving sliding tube, and even connected with the horizontal square tube between grooving sliding tube, even be provided with mounting hole on rail pipe, even be connected with the additional horizontal frame between the top of rail pipe, and the bottom of additional horizontal frame is fixed with locking block even. The utility model discloses through adjusting the length between long branch leg and grooving sliding tube, and the locking block on additional horizontal frame is inserted into the mounting hole of rail pipe top end alignment. In the inside of self -lock seat, the bottom of locking block moves along the inclined plane of lock head in the process of sliding down, and lock head extrudes spring base to the back, until lock head enters the inside of lock hole, and completes self -lock movement.

The utility model provides a kind of stretch blow molding machine guide rail, belong to bottle blowing machine guide rail field, including guide rail, it is characterized in that, guide rail side wall is equipped with two groups of clamping blocks, guide rail other side wall is equipped with two groups of the clamping groove matched with clamping block, two groups of clamping blocks are all equipped with jack plug opposite side wall, cavity is opened in guide rail interior, further include: buckle mechanism: buckle mechanism is arranged in cavity interior, buckle mechanism can be inserted hole and is connected, to be able to with clamping block fixed in clamping groove, can be spliced to multiple guide rails, the utility model is through setting buckle mechanism, clamping block, clamping groove and jack plug, so that guide rail can be spliced, guide rail length can be flexibly adjusted according to production demand, using clamping groove and clamping block can quickly realize the extension or shortening of guide rail, adapt to the production of different bottle type.

The utility model discloses a straw fiber length grading control cutting machine, which relates to the technical field of cutting machines and comprises an operation table, a feeding mechanism is mounted at the top of the operation table, a cutting mechanism is mounted at the top of the operation table, and the cutting mechanism is positioned in front of the feeding mechanism and extends to the bottom of the operation table. A length control mechanism is mounted on the front side of the operation table; through cooperation of the feeding mechanism, the cutting mechanism and the length control mechanism, the length of cut straw particles can be accurately controlled, the cut length of straw can be flexibly adjusted by adjusting the position of a limiting plate in the length control mechanism, and compared with a traditional cutting machine which cannot control the cutting length, the cutting machine is very convenient to use.