102results about How to "Flexible size adjustment" patented technology

The invention relates to the field of artificial intelligence, in particular to a collagen peptide absorptivity prediction method. Comprising the following steps: acquiring a collagen peptide sample data matrix, and constructing a convolutional neural network and a recurrent neural network to obtain a molecular structure feature vector and a time sequence feature vector; constructing a prediction neural network, inputting the molecular structure feature vector and the time sequence feature vector into an interactive feature fusion layer, and obtaining a fused feature vector by using an interactive feature fusion algorithm; inputting the fused feature vector into a self-adaptive decoupling layer, and calculating by using a self-adaptive feature decoupling algorithm to obtain a decoupled feature vector; and inputting the decoupled feature vector into an output layer to obtain a predicted value of the collagen peptide absorptivity. The technical problems that the molecular structure feature extraction capacity is insufficient, the complex interaction relation between local molecular structures cannot be flexibly captured, feature extraction is not deep enough, and the accuracy of collagen peptide absorptivity prediction is affected are solved.

The invention discloses a brake pad cutting device and a cutting method thereof, and relates to the technical field of brake pad cutting, the brake pad cutting device comprises a machine tool, a conveying assembly, a cutting assembly and a fixed-point cutting assembly.By flexibly adjusting the position of a trepanning laser nozzle, the trepanning requirements of different positions on a brake pad are met, and the size of a hole is flexibly adjusted; the electromagnet is started to generate magnetic force with the same polarity as the magnetic block, the magnetic block is pushed to rotate through repulsive force, rotation and positioning of the magnetic block are achieved under cooperation of the check block, the position of the rotating disc is adjusted, and cutting at different positions is achieved; the number of the magnetic blocks can be adjusted according to the number of actually-needed holes by controlling a fifth electric push rod to drive the magnetic blocks with the needed number to move outwards, the positions of an outer ring laser spray head and an inner ring laser spray head are adjusted, and an outer contour and an inner contour are cut on a brake pad raw material. All cutting operations can be completed through one-time positioning, and accumulative errors caused by multiple times of positioning are reduced.

The invention relates to a preparation method of a sodium alginate composite hydrogel microneedle for treating pathological scars, and belongs to the technical field of hydrogel microneedles, the microneedle takes sodium alginate as a main material, the sodium alginate is methylated to obtain methylacryloylated sodium alginate AlgMA, hollow manganese dioxide nanoparticles loaded with matrix metalloproteinase are added, and the microneedle is prepared by a hydrothermal method. A hydrogel microneedle filling solution is obtained; the preparation method comprises the following steps: transferring the hydrogel microneedle into a PDMS microneedle mold, carrying out negative pressure vacuum bubble removal, drying and concentrating twice in a drying oven, carrying out photopolymerization crosslinking, forming a solid hydrogel microneedle tip, adding a 20% PVA solution, and drying in the drying oven to form the microneedle substrate, and the preparation method is simple, convenient and efficient, has industrial application potential, and is suitable for the scenes of drug delivery, skin care and the like; according to the application of the sodium alginate composite hydrogel microneedle in pathological scar drug delivery, the sodium alginate composite hydrogel microneedle has excellent mechanical strength and biocompatibility, and painless and noninvasive drug delivery can be carried out on the surface of scar skin.

The utility model discloses a buried switch cabinet, and specifically relates to the technical field of switch cabinets, the buried switch cabinet comprises an outer protection box and an inner cabinet body, a lifting assembly is arranged between the inner cabinet body and the outer protection box, the inner cabinet body is internally provided with a plurality of separator plates from top to bottom, the separator plates are provided with a plurality of circular grooves at equal intervals along the length direction, and the circular grooves are arranged in the outer protection box. A strip-shaped groove is formed between every two adjacent circular grooves, the inner diameter of each circular groove is larger than the width of each strip-shaped groove, and a movable partition strip capable of moving along the length of each strip-shaped groove is arranged in each strip-shaped groove. According to the utility model, through the arrangement of the circular groove, the strip-shaped groove and the movable division bar, leads connected with the upper layer and the lower layer in the switch cabinet can pass through the circular groove or the strip-shaped groove to be limited, areas separated by the movable division bar are areas through which different leads pass, zoning processing is facilitated, and the position of the movable division bar is adjustable, so that the size of a bunching area can be flexibly adjusted; and secondly, similar wires can be bound together to be placed in the circular groove, so that disorder of wire harnesses can be avoided.

The invention provides a magnetic liquid drop and particle collision measurement experiment device based on a computer vision technology, and belongs to the field of particle collision characteristic detection. The problems that in the collision measurement process of the magnetic liquid drops and the particles, external field regulation and control are lacked, and personal errors exist in the image analysis process are solved. The device comprises a magnetic control device, a particle fixing device, a liquid drop emitting device and a data acquisition and processing device, the magnetic control device controls the magnetic field intensity by controlling the magnitude of voltage and current input by a direct-current power supply, and the magnetic field direction is changed by adjusting a magnetic field generator; the particle fixing device fixes particles; the liquid drop emitting device emits magnetic liquid drops; a high-speed camera and a data acquisition instrument in the data acquisition and processing device can acquire and record experimental data and feed back the experimental data to a data processing unit, and a computer vision technology is utilized to carry out dynamic capture and image recognition on the spreading process of the magnetic liquid drops on the surfaces of the particles. The collision process can be accurately controlled, and the collision process is dynamically captured through the computer vision technology.

The intraoperative three-dimensional traction assembly comprises a base, a first ventilation groove is formed in the top of the base, and at least three non-collinear lifting rods and rollers capable of being braked are arranged at the bottom of the base; the sliding rails are matched with the rollers capable of being braked; the cushion block device is placed at the top of the base and at least divided into a first cushion block and a second cushion block which are distributed left and right, the first cushion block and the second cushion block are located on the two sides of the first ventilation groove respectively, and the first cushion block and the second cushion block are further connected with an adjusting rod; and a traction device. During traction, the base and the cushion block device slide along with the skull of the patient, and the risk that the face of the patient is pressed and rubbed by the cushion block device is reduced; by arranging an adjusting rod, the size of a containing groove of the cushion block device can be flexibly adjusted according to the size of the face of the patient; the arrangement of the at least three independent lifting rods enables the base to be changed into four different inclined states from a horizontal state, so that the skull and the cervical vertebra of a patient can be subjected to forward bending, backward bending, left rotating and right rotating actions, a traction device is assisted, and a better operation effect is achieved.

The utility model relates to noise isolation device technical field, concretely relates to noise isolation and noise reduction protection integrated device, including a plurality of mutual splicing's protective plate, and the protective plate is composed of the outer frame board of setting at the outside and the sound insulation layer of setting at the central position department of outer frame board, and the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the

The application discloses a galvanizing line air knife device and belongs to the technical field of air knives.The air knife device comprises a ring-shaped air knife shell, a base mounted on the ring-shaped air knife shell, a gas guide cavity formed in the ring-shaped air knife shell, a first gas connection end and a second gas connection end oppositely arranged on the ring-shaped air knife shell, a gas guide hose connected between the first gas connection end and the second gas connection end, a gas outlet ring arranged on the inner side of the ring-shaped air knife shell, and an adjusting mechanism arranged in the gas guide cavity of the ring-shaped air knife shell.The adjusting mechanism comprises a fixing ring arranged in the gas guide cavity of the ring-shaped air knife shell.The size of the air knife air port can be quickly adjusted according to the thickness and running speed of the galvanized plate, for example, the air flow pressure is reduced when processing thin plates to avoid blowing the plates, and the pressure is increased when processing thick plates to ensure that the thickness of the zinc layer meets the standards.Compared with a traditional single-structure air knife, the size of the air port can be flexibly adjusted, the air knife can be adapted to galvanized plates with different thicknesses and running speeds, and the universality of the equipment is improved.

The invention discloses a thin spinning metering pump, which belongs to the technical field of spinning mechanical equipment. The thin spinning metering pump is a one-inlet and multiple-outlet structure, and comprises a pump plate, a gear plate and a cover plate from bottom to top, and a driving shaft penetrating the cover plate and the gear plate, wherein the number of the pump plate and the number of the gear plate are both one, and a planetary gear system arranged in the gear plate is used to drive the central gear by the rotation of a motor, and then precise control of the material is achieved through the meshing of the central gear and the planetary gear; compared with traditional metering pumps, the metering pump of the invention has a greatly reduced thickness, requires less processing materials, has a simple processing technology, and has a low processing cost, and is more convenient to disassemble and replace during use.

The utility model discloses a flexible board fixing multi-size adjusting jig which comprises an outer frame and a flexible board body arranged on the inner side of the outer frame, and further comprises a transverse adjusting assembly, and the transverse adjusting assembly comprises first supporting plates arranged on the tops of the two sides of the outer frame and a first sliding strip arranged between the two first supporting plates; the vertical adjusting assembly comprises second supporting plates arranged at the tops of the two ends of the outer frame and a second sliding strip arranged between the two second supporting plates, and a measuring strip is arranged at the bottom of the second sliding strip; a measuring bottom plate is arranged at the bottom of the inner side of the outer frame, and the measuring bottom plate and the measuring strips are further provided with limiting clamps used for fixing the flexible board body. According to the utility model, the transverse adjusting assembly and the vertical adjusting assembly are adopted in the outer frame to form a slidable support structure, so that the size of the jig is more flexible to adjust, and an operator can easily adjust the size of the jig according to requirements to adapt to the production requirements of soft boards with different specifications.

The application discloses a camera accessory, comprising a base, a front panel and at least one side panel, the front panel is detachably connected with the base; the side panel is detachably connected with the base and is located at a different side of the base from the front panel, the front panel, the side panel and the base enclose an installation space for placing a camera; at least one of the front panel, the side panel and the base is used for connecting with the camera. Compared with the prior art, the application realizes the modular assembly of the camera accessory by detachably connecting the front panel and the side panel with the base, facilitates flexible adjustment of the size and the connection position of the front panel and the side panel according to the camera model, and improves the adaptation compatibility; in actual use, a user can select to install the front panel or the side panel according to a shooting task: when higher protection and expansibility are needed, the front panel and the side panel are simultaneously assembled to form a more complete enclosure; when lightweight or avoidance of specific accessories is needed, only the base and one of the front panel and the side panel can be reserved.

A brake handle with a dynamically variable rotation center in the braking process comprises a brake shell, a piston assembly, a push rod assembly, a brake handle, a multi-fulcrum linkage component and a rotation switching mechanism. The shell is provided with a piston cavity. The handle drives the piston to move through the push rod. The linkage component is provided with two rotating fulcrums, and the switching mechanism can switch two working states. When the front section of the handle is pinched, the handle rotates around the first fulcrum, idle stroke is eliminated, and operation is labor-saving. When the rear section is pinched, the second fulcrum is switched to rotate, and the lever ratio is increased to improve braking force. By means of automatic switching of double fulcrums, labor-saving control and large braking force output are both considered, and the problem that a traditional hydraulic brake handle is poor in performance is solved; the modular structure is easy to adapt to mass production, and switching nodes are accurate and controllable; a locking and failure protection structure is arranged, so that the operation is stable and safe; meanwhile, eccentric wear of parts is eliminated, the service life of sealing pieces is prolonged, and braking efficiency and use safety are improved.

The invention discloses a medicine residue extruding device for the traditional Chinese medicine oncology department, and relates to a device for the traditional Chinese medicine oncology department. The medicine residue squeezing device aims at solving the technical problems that according to an existing medicine residue squeezing device for the traditional Chinese medicine oncology department, the size of a filtering hole cannot be flexibly adjusted according to different prescriptions, and the juice taking efficiency can be possibly reduced or a large amount of medicine residues enter medicine liquid. According to the medicine residue extruding device for the traditional Chinese medicine oncology department, the adjusting rod can be rotated according to the size of traditional Chinese medicine residues so that the actual size of an opening of the first filtering hole can be adjusted, when the first filtering hole is in a completely-opened state, the medicine residues with the large size can be filtered, and the extruding efficiency is improved; when medicine residues with small sizes are filtered, the lower filtering plate can block part of the opening area of the first filtering holes so as to reduce the filtering size, and therefore the situation that the medicine residues fall into medicine liquid below can be reduced as much as possible. The medicine residue extrusion device for the traditional Chinese medicine oncology department is simple in structure and high in practicability.

This utility model relates to the field of cable drag chain technology and discloses a machine tool drag chain with cable protection. The machine tool drag chain with cable protection includes a drag chain body, with a mounting groove at one end of the drag chain body containing a clamping component. The side wall of the drag chain body is provided with an adjustment mechanism that allows for flexible adjustment of the drag chain size. This machine tool drag chain with cable protection, through the coordinated design of the adjustment mechanism, connector, slide, limit block, connecting rod, compression spring, and fixing block, achieves flexible adjustment of the drag chain size. The dumbbell-shaped slide inside the connector cooperates with the limit block, allowing the connecting rod to slide within the slide. The elasticity of the compression spring ensures that the limit block is stably fixed at the larger size of the slide, thereby ensuring smooth and reliable adjustment. Furthermore, the connecting mechanism allows the drag chain to have a certain angular deflection effect.

The utility model provides a spliced mattress. The spliced mattress comprises a plurality of mattresses, the mattresses are all sleeved with first cloth covers, and the first cloth covers are connected through first zippers; the second cloth cover is connected to one of the first cloth covers through a second zipper, and a pillow cushion is arranged in the second cloth cover. The spliced mattress provided by the utility model solves the technical problems that the existing mattress cannot be folded and is difficult to adapt to bed boards with different lengths.

The utility model discloses a composite material forming die with flexible and adjustable size, which comprises a support component and a base, and a flat plate is fixed on the upper side of the base; the female die assembly comprises an L-shaped positioning die body, a first block die body, a second block die body and a third block die body, the positioning die body is fixed to the flat plate, one end of the positioning die body is detachably connected with one end of the first block die body, and the other end of the positioning die body is detachably connected with the third block die body. The other end of the positioning mold body is detachably connected with one end of the second block mold body, and the two ends of the third block mold body are detachably connected with the other end of the first block mold body and the other end of the second block mold body respectively; the inner side of the positioning mold body, the inner side of the first block mold body, the inner side of the third block mold body, the inner side of the second block mold body and the upper side of the flat plate form a forming cavity; the production requirements of products with different sizes can be met through simple adjustment, the application range is widened, and the preparation cost is reduced.

The invention relates to the technical field of fuel cells, and discloses a fuel cell humidifier with a novel structure, the fuel cell humidifier comprises a main body shell and a bundling shell, the bundling shell is assembled on an internal end plate of the main body shell, and the bundling shell is provided with an internal slide block structure; the internal sliding block structure is in sliding fit with an end plate in the main body shell so as to adjust the size of the bundling shell, a hollow fiber membrane tube is arranged in the bundling shell, the hollow fiber membrane tube is fixed with the main body shell through a pouring sealant surface, two ends of the main body shell are detachably connected with end covers, and the end covers are used for being connected with a dry gas path. A pressure regulating valve is installed on the main body shell and used for balancing the pressure difference of a dry path and a wet path, and a connector sliding block is arranged at a connector of the main body shell and is in sliding connection with the connector of the main body shell so as to adjust the direction of the connector of the wet path. The humidifier is used for solving the problems that an existing humidifier is insufficient in anti-compression and anti-impact strength, poor in plasticity and limited in adaptability, and the use stability is affected by differential pressure fluctuation of a dry path and a wet path.

The utility model relates to the technical field of house building construction, in particular to a material placing frame capable of being installed in a combined mode, which comprises a support body, and a layer plate assembly is installed on the outer wall of the support body in an attached mode. According to the improved material placing frame, the inserting bolts, the B-shaped pins, the supporting frames and the supports are installed, the height and the layer number of the placing frame can be freely adjusted, the first inserting plates, the second inserting blocks and the brackets are installed, the length and the width of the layer plate assemblies can be freely expanded, and through the modularized assemblies, the size can be flexibly adjusted according to needs, and rapid disassembly, assembly and expansion can be achieved; the goods shelf is suitable for different building material specifications, the utilization rate of longitudinal space is effectively improved through multi-layer installation, the occupied area is reduced, and therefore the overall space utilization rate, environment adaptability and storage efficiency are improved, damaged parts can be locally repaired or replaced under the condition that construction is not affected, frequent replacement or splicing of the whole goods shelf is avoided, and the labor intensity of workers is lowered. The labor cost is reduced, and the overall construction efficiency is improved.

The utility model discloses a telescopic cross heightening frame which comprises two sleeve plates, four sliding plates and four stand columns, the two sleeve plates are arranged in a cross mode, and the top faces and the bottom faces of the two sleeve plates are located on the same plane; the four sliding plates are arranged in the two sleeve plates in a sliding mode respectively, and the sliding plates cannot be separated from the sleeve plates. The four stand columns are vertically arranged at the ends of the four sliding plates correspondingly. Each sleeve plate comprises a first composition plate and a second composition plate, and the first composition plate and the second composition plate are the same in structure. According to the device, the two sleeve plates which are arranged in a crossed mode are designed, and the sliding plates are arranged in the sleeve plates in a sliding mode, so that the sliding plates can slide along the sleeve plates, and the distance between the sliding plates is adjusted to adapt to appliances of different sizes. Meanwhile, the stand column is arranged at the end of the sliding plate, and stable supporting is provided for the appliance. In addition, the sleeve plate is composed of the first composition plate and the second composition plate which are the same in structure, machining and assembling are convenient, and the production cost is reduced.

The application discloses a kind of multi-channel adaptive real-time signal processing methods, comprising the following steps: to multiple analog input signals are synchronously sampled, obtain multi-channel digital signal;The multi-channel digital signal is adaptively filtered and processed, and low-pass filtering and median filtering are executed in parallel for the digital signal of the same channel;Signal zero-crossing point is identified based on zero-crossing detection principle, and multi-cycle synchronous measurement strategy is used, and the frequency value of each channel signal is calculated according to the frequency range of multi-channel digital signal;To the filtered multi-channel digital signal, square sum is accumulated to sampling value using time sliding window, and the effective value of each channel signal is calculated by hardware accelerated square root algorithm;The frequency value and effective value calculated by each channel are output through the preset communication interface or analog output channel.

The utility model belongs to the technical field of medical auxiliary instrument, concretely relates to a kind of supporting device, including multiple supporting pieces of slidingly being arranged on bed board, each supporting piece is including supporting rod and mounting, the both sides of bed board are provided with slide rail, multiple mounting are slidably arranged on each slide rail, and each supporting rod both ends are connected with corresponding mounting;The slide rail includes first sliding slot and second sliding slot, one end of first sliding slot and second sliding slot is communicated, when supporting piece is located first sliding slot, supporting rod is located above bed board, when supporting piece is located second sliding slot, supporting rod is located below bed board.The utility model is slidably arranged with multiple supporting pieces, and then corresponding number of supporting pieces can be selected according to needs and its interval is adjusted to realize the support of cotton quilt corresponding position, and when not using, it can be directly slid to the end of bed board and stored under the tail of bed.

This utility model relates to the field of building construction technology, specifically to a modular cast-in-place mold for reinforced concrete hollow sandwich slabs, comprising a mold frame assembly and a baffle assembly. The mold frame assembly includes a first mold frame, at least one second mold frame, and a third mold frame. The first mold frame has a first protrusion at one end, the second mold frame has a corresponding first recess at one end and a second protrusion at the other end, and the third mold frame has a corresponding second recess at one end. By interlocking the first protrusion with the first recess and the second protrusion with the second recess, the overall size of the mold frame assembly can be adjusted by increasing or decreasing the number of second mold frames to accommodate different slab specifications. The baffle assembly is detachably connected to the assembled mold frame assembly, together forming the casting cavity. The modular, standardized design and detachable nature of the mold frame assembly and baffle assembly improve standardization and reusability; standardized modular assembly shortens the construction cycle and reduces construction costs.

The utility model discloses a movable spraying device for a working face, and relates to the technical field of coal mining equipment. The working face movable type spraying device comprises two adjusting type moving structures, a driving structure is arranged between the two adjusting type moving structures, dust falling nozzles are arranged on the inner sides of the adjusting type moving structures, a water storage structure is arranged on the outer side of the adjusting type moving structure on the right side, and the water storage structure is connected with the dust falling nozzles; according to the spraying device with the movable working face, by arranging the adjusting type moving structures and the driving structures, the adjusting type moving structures can adjust the lengths of the adjusting type moving structures so as to change the dust falling height of the dust falling spray head, and then the driving mechanisms are matched to adjust the interval between the two adjusting type moving structures so as to adjust the dust falling range of the dust falling spray head; the size of the spraying device can be flexibly adjusted according to the requirements of the actual working environment, and water mist sprayed in the spraying process can evenly cover the whole working face.

The utility model discloses an assembled light inner partition wall splicing node structure belongs to splicing node technical field, including support frame, connecting plate and adapter pole, the both sides of support frame all are established recessed mounting slot, the both sides of connecting plate all are fixedly connected with the first convex mounting block of recessed mounting slot adaptation, the one side and the front of adapter pole all are fixedly connected with the second convex mounting block of recessed mounting slot adaptation, the front of fender is fixedly connected with fixed frame, the upper and lower surface of support frame all are fixedly installed with fixed plate, the front and back of fixed plate all are fixedly connected with fixed assembly. The utility model discloses through setting up support frame, has simplified the assembly process, improved work efficiency, satisfied the diversified use demand, through setting up fixed assembly, effectively prevented the component loosening or falling off in the use, improved the security and stability of overall structure, simplified maintenance work, reduced maintenance cost.

The invention discloses an elastomer structure for a high-rotating-speed flange type torque sensor rotor and a design method. The elastomer structure comprises a left flange plate, a right flange plate and a middle main body section, wherein the left flange plate and the right flange plate are integrally formed; the middle main body section is located between the two flange plates; the middle main body section is sequentially provided with a strain measuring area, an induction clamping ring mounting area and a rotating speed measuring area along the axial direction; a circle of annular groove is formed in the induction clamping ring installation area, a non-metal induction clamping ring with the inverted-T-shaped section is installed in the annular groove in a matched mode, a concave aluminum alloy pressing ring is arranged on the left side of the induction clamping ring, and the pressing ring and the elastic body are fastened through a bolt to form a concave-convex-concave embedded type fixing structure. Through the structural design of the groove, the contact area of the clamping ring and the elastic body is increased, the limit stress of the clamping ring is effectively reduced, and the clamping ring adapts to the high-rotating-speed working condition.

The invention relates to the technical field of wire and cable manufacturing, in particular to a cable sheath blow-drying device which comprises a support, two air inlet assemblies arranged on the support and an annular blow-drying device arranged on the support. The annular blow-drying device comprises two elastic outer air outlet annular pipes which are arranged oppositely, first air inlet connectors communicated with the outer sides of the elastic outer air outlet annular pipes, a plurality of first air outlet holes formed in the inner sides of the elastic outer air outlet annular pipes, two elastic inner air outlet annular pipes which are arranged oppositely, and second air outlet connectors communicated with the outer sides of the elastic inner air outlet annular pipes. The second air outlet holes are formed in the inner side of the elastic inner air outlet ring pipe, and the two first electric push rods and the two second electric push rods are arranged on the support. The device solves the problems of a traditional blow-drying device: for thin cables, low blow-drying efficiency caused by a large air outlet is avoided; for thick cables, the defects that the air outlet limits small airflow, the blow-drying effect is affected, and energy consumption is increased are overcome; by adjusting the size, the device can efficiently blow-dry cable sheaths of different specifications, and the working efficiency and the blow-drying quality are improved.

The invention relates to the technical field of electric power system, and specifically discloses a corrosion-resistant suspension insulator for ultra-high voltage transmission lines, comprising an shed, a metal cap, a metal foot and an insulating core rod arranged inside the shed, wherein the shed is in an annular structure as a whole, and the shed is in a plurality of groups in a combination of upper and lower butt-jointed structures; the metal cap is connected to the shed at the top layer, and the metal foot is connected to the shed at the bottom layer; a connecting seat is provided on the metal cap, a connecting groove is provided in the connecting seat, and the connecting groove is connected to the metal shed body through a threaded structure; a metal foot body is fixed to the lower side of the metal foot, and the metal foot body is arranged in an inverted truncated cone structure; the shed is made of corrosion-resistant ceramic material, and the insulating core rod is made of the same material as the shed; the insulator provided by the invention can flexibly adjust the size through the combined structure, and can effectively extend the service life of the overall structure through the corrosion-resistant material.

The utility model discloses a printing roller ink scraper capable of being externally connected, which comprises a supporting shell, an even number of symmetrical rolling shafts are rotatably arranged in a groove of the supporting shell, and the supporting shell is connected with a supporting plate through a sliding shaft and a spring. The supporting plate is rotationally provided with a bent swing rod, the swing rod is provided with a limiting rack, and the inner supporting rod and the outer supporting rod are connected through a limiting sliding frame. A long shaft of the outer supporting rod is provided with a limiting rod matched with a limiting rack ratchet wheel. The ink scraper is composed of a sliding seat, a sliding rod, a mounting rod and a scraper. The ink scraping device can be directly installed on the upper printing roller shaft and the lower printing roller shaft and is suitable for printing rollers of various specifications, the ink scraping angle and position are flexibly adjusted through cooperation of limiting and the ratchet wheel and buffering stable supporting of the spring, the problems that a traditional ink scraping device is poor in installation adaptability, inconvenient to adjust, insufficient in stability and the like are solved, and the ink scraping effect of the printing rollers and the device universality are improved.

The utility model relates to the field of electronic equipment shells, in particular to a size-adjustable optical fiber demodulator shell, which comprises a bottom plate, side plates and fixing corners. The fixing corner is of a triangular prism structure and comprises a first edge and a second edge, the first edge is provided with a first connecting part, the second edge is provided with a second connecting part, the first edge is connected with one side plate through the first connecting part, and the second edge is connected with the other side plate through the second connecting part; first connecting holes are formed in the two ends of the fixing corners, first mounting holes are formed in the bottom plate, and the bottom plate is connected with the ends of the fixing corners through the first mounting holes and the first connecting holes. Flexible size adjustment is achieved through splicing of the bottom plate, the side plates and the fixing corners, spare part types are reduced through standardized modules, production and inventory cost is reduced, the sizes can be freely combined according to actual requirements, the whole shell does not need to be customized, the delivery cycle is shortened, only the single side plate or the fixing corner needs to be replaced when local damage occurs, and cost is saved. And the whole shell does not need to be scrapped.