142results about How to "Increase connection force" patented technology

The invention discloses a cover plate assembly and a battery, and relates to the technical field of batteries, the cover plate assembly comprises a cover plate, a pressing ring and a pole, and the cover plate is provided with a mounting hole arranged in a front-back penetrating manner along the thickness direction of the cover plate; the pole is arranged in the mounting hole in a penetrating manner; the pressing ring is arranged on the front side of the cover plate and sleeves the pole, and the pressing ring is welded and fixed with the peripheral side of the pole; the width of the pressing ring is W, the thickness of the pressing ring is H1, the diameter of the pole is D, and the area of the front end face of the pole is S. By controlling the width W of the pressing ring and the diameter D of the pole, the pressing ring can provide enough welding area, and the welding mark can reach enough connection width, so that stable connection between the pole and the pressing ring is ensured; by controlling the thickness H1 of the pressing ring and the area S of the front end face of the pole, the welding mark can reach enough connection depth, the connection force of the welding mark is improved, and the problem of welding failure of the pole and the pressing ring is effectively avoided.

The invention discloses a building reinforcement type fabricated structure construction which comprises a prefabricated wall body, a plurality of connecting steel bars are pre-buried in the prefabricated wall body, the ends of the connecting steel bars extend out of the top end of the prefabricated wall body, steel bar inserting holes corresponding to the ends of the connecting steel bars are prefabricated in the bottom of the prefabricated wall body, and the hole diameter of the steel bar inserting holes is larger than the diameter of the connecting steel bars. A reinforcing base is further included, a fixing groove is formed in the bottom face of the reinforcing base, a plurality of through holes corresponding to the rebar inserting holes are formed in the top face of the reinforcing base, and the ends, connected with the rebars, of the top of the lower-layer prefabricated wall body can penetrate through the through holes and then are inserted into the rebar inserting holes in the bottom of the upper-layer prefabricated wall body. The reinforcing base is additionally arranged on the basis of an original prefabricated wall to be connected with the floor and the ground, the reinforcing base is made of a high-strength material and is in an optimized geometrical shape, and the connecting force between the wall and the ground is improved in cooperation with pouring of concrete, so that the reinforcing wall is supported, and the effect of external force can be effectively resisted.

The invention relates to the technical field of materials, and discloses an antibacterial aluminum profile and a processing method thereof.The aluminum profile comprises an aluminum profile base body and an antibacterial coating, the antibacterial coating is formed by coating the surface of the aluminum profile base body with an antibacterial coating and curing the antibacterial coating, the antibacterial coating is prepared by taking acrylic resin emulsion as a film forming substance, and the antibacterial coating is prepared by curing the acrylic resin emulsion. The acrylic resin emulsion is formed by mixing acrylic resin emulsion, an inorganic filler, a dispersing agent and the like, an acrylic resin molecular chain in the acrylic resin emulsion is high in crosslinking density and large in cohesion, and the adhesive force and the impact resistance of the coating can be enhanced in cooperation with a large number of ether bonds and rigid biphenyl and heterocyclic structures provided by the crosslinking type reinforcing monomer; the advantages of the coating can be efficiently exerted by adding the inorganic filler, the hardness and other mechanical properties of the coating are improved, in addition, a large number of quaternary ammonium salt functional groups can endow the coating with a broad-spectrum antibacterial effect, and the aluminum profile can maintain a sterile environment.

The utility model belongs to the technical field of geogrids, and particularly relates to a reinforced geogrid which comprises first grid strips and second grid strips. A plurality of first grating strips are arranged in parallel at intervals; a plurality of second grid strips are arranged in parallel at intervals in the length direction of the first grid strips; the first grid strips and the second grid strips are perpendicularly staggered to form a plurality of grid chambers, reinforcing parts are arranged at the intersections of the first grid strips and the second grid strips, the thickness of the reinforcing parts is larger than that of the first grid strips and that of the second grid strips, and ground gripping structures and anti-skid structures are arranged on the upper faces and the lower faces of the reinforcing parts correspondingly. The ground gripping structure is used for increasing the ground gripping force of the bottom of the geogrid, and the anti-skid structure is used for increasing the friction force between the top of the geogrid and soil. The strength of the geogrid can be enhanced through the thickened reinforcing part, the geogrid is resistant to tear and deformation, the ground gripping structure and the anti-skid structure can enhance the connecting force between soil on the surface of the geogrid and the geogrid, and the overall stability of a slope can be improved through the geogrid.

The invention discloses an inorganic / organic nano composite plugging agent, which is prepared from the following raw materials in parts by weight: 0.7 to 3.5 parts of modified nano particles, 10 to 50 parts of alkenyl amide monomers, 0.5 to 3 parts of alkenyl associated monomers, 20 to 50 parts of alkenyl sulfonic acid monomers, 10 to 20 parts of alkenyl cationic monomers and 0.5 to 1.0 part of initiators, the modified nano-particles are formed by carrying out surface modification on nano-particles by adopting a coupling agent. According to the invention, by introducing a flexible polymer chain segment with a proper amount of association, strong adsorption and other effects into rigid nanoparticles, the deformability of the nanoparticles and the connection force between the nanoparticles and a shale stratum are improved, so that the plugging capability of the plugging agent on multi-scale micro-pores and micro-cracks of the shale stratum is improved; and the plugging agent has the characteristics of wide particle size distribution, physical and chemical synergistic plugging effect, good high-temperature stability, simple preparation method, easily available raw materials and the like, and is suitable for drilling leakage of shale formations.

The utility model discloses a portable three-dimensional scanner, which relates to the technical field of three-dimensional scanners, and comprises a scanner main body, a transmission mechanism arranged on a grip and a power mechanism arranged on the transmission mechanism, the transmission mechanism is used for increasing the connection force in the contact process of the hand and the grip; the transmission mechanism comprises a transmission unit and a limiting unit; the transmission unit is used for adjusting the contact distance between the clamping rod and the hand. And the limiting unit is used for limiting the adjusted clamping rod. According to the utility model, through the arrangement of the transmission mechanism, in the process of using the scanner main body and in the process of contacting a hand with the grip, clamping can be carried out through the clamping rod, and the hand is contacted through the clamping rod of which one side is provided with the cushion block, so that the connection force between the hand and the grip is increased, and the safety of using the scanner main body is further improved; and the portability in the use process is improved.

The present invention provides a terminal, a busbar, a motor, an electric power steering system and a vehicle. The terminal includes: a first connecting section; a supporting section, one end of the supporting section is connected to the first connecting section in a turning direction, and the supporting section is provided with at least one supporting surface; a second connecting section, the second connecting section is connected to the other end of the supporting section in a turning direction, and the second connecting section extends in a direction away from the first connecting section, and the first connecting section, the supporting section and the second connecting section are arranged in sequence along the thickness direction of the first connecting section; wherein, along the thickness direction of the first connecting section, the supporting surface is provided on the side of the supporting section away from the second connecting section, so that the supporting surface is suitable for being supported to provide supporting force to at least a part of the supporting section and the second connecting section. The present invention can provide a supporting force toward the female end to the terminal by adding a supporting section and utilizing the supporting effect of the supporting surface of the supporting section, thereby preventing the terminal from being excessively deformed when plugged into the female end, reducing the difficulty of assembly, and thereby improving the assembly yield of the terminal.

The present invention provides a busbar body, a busbar, a motor, an electric power steering system and a vehicle. The busbar body includes: a skeleton; a plurality of busbars, each busbar includes a main body embedded in an annular bracket and a plurality of connecting parts connected to the main body and protruding from the skeleton; wherein the strip-shaped bracket is provided with a slot for accommodating a part of the terminal, the slot is provided with an avoidance notch, the avoidance notch is provided for one end of the terminal to bend and extend and protrude from the slot to connect with the connecting part, the strip-shaped bracket is provided with at least one supporting mating surface for supporting the terminal, at least a part of at least one supporting mating surface is located in the slot, and the connecting part, the supporting mating surface and the entrance of the slot are arranged in sequence along the axial direction of the annular bracket. The present application can provide a supporting force toward the female end to the terminal by adding a supporting mating surface to the strip-shaped bracket, thereby preventing the terminal from being excessively deformed when plugged into the female end, reducing the difficulty of assembly, and thereby improving the assembly yield of the terminal.

The invention provides a composite copper foil and a preparation method thereof, and the preparation method of the composite copper foil comprises the following steps: (1) carrying out corona treatment on the upper and lower surfaces of a PP base film to obtain a surface-treated PP base film; (2) punching along the direction perpendicular to the upper and lower surfaces of the surface-treated PP base membrane to form a plurality of through holes, so as to obtain a porous PP base membrane; (3) the upper surface and the lower surface of the porous PP base film are coated with conductive slurry, conductive film layers are formed, and the conductive slurry comprises acrylic resin and a conductive agent; and (4) electroplating copper on the upper and lower surfaces of the conductive film layer to form a copper film layer and fill the through hole at the same time. Good adhesive force exists between the PP base film and the film layers (the conductive film layer and the copper film layer) in the composite copper foil, and the composite copper foil has excellent conductivity.

The invention discloses a composite copper foil and a preparation method thereof, and relates to the technical field of composite materials. The preparation method of the composite copper foil comprises the following steps: S1. providing a substrate; S2. coating a first liquid on one side or both sides of the substrate, drying, and forming a connecting layer, wherein the first liquid comprises an EVA emulsion, a branched acrylate emulsion, an adhesive, a defoaming agent, and a dispersant; S3. coating a second liquid on the surface of the connecting layer, drying, and forming a catalytic layer, wherein the second liquid comprises nano-metal particles; S4. forming a first copper film layer on the surface of the catalytic layer by chemical copper plating; in the present invention, the connecting layer can effectively improve the connection force between the substrate and the catalytic layer, the catalytic layer can efficiently improve the efficiency of chemical copper plating, and is conducive to improving the uniformity of the formed first copper film layer, and the preparation of the composite copper foil is more efficient and the cost is lower.

The invention belongs to the technical field of tube plate expanded connection, and discloses a solid particle medium tube plate expanded connection method and device. By means of cooperation of the stud and the nut, when the nut is rotated, the plunger moves upwards, solid particle media are compressed under limiting of the pressing plate, then pressure is applied to the high-pressure-resistant rubber ring wrapped in the pipe blank, the pipe blank is deformed through rubber, the pipe blank is tightly embedded into an annular groove formed in a plate hole, and a firm mechanical lock catch is formed; and the expanded connection process is completed. The invention solves the problems that the pipe wall is easy to damage and the surface quality is poor when the traditional pipe expander is used for connecting; the problem that the low-plasticity metal tube blank is difficult to deform due to expansion joint is solved, and the connection quality of the tube plate and the tube is effectively improved. The solid particle medium is used, and the high-pressure-resistant rubber is sleeved on the inner surface of the pipe blank, so that the wall thickness of the pipe blank is uniformly distributed during plastic deformation, the stress distribution is reasonable, and the connection quality is further improved.

This utility model discloses a rockery that is easy to plant, comprising a pool, several rocks, and a sprinkler system. Adjacent rocks are connected by a fixing component containing a grouting cylinder, enhancing the connection and perspective effect. The rocks are irregularly stacked around the sprinkler system, which includes a first water pump, nozzles, and a deflector to achieve water feature landscaping and misting effects. A second water pump delivers water to the top of the rockery. Mounting boxes are embedded in the sides of the rocks, containing planting blocks for planting greenery. The mounting boxes are connected to a humidification component containing a water channel and drip pipes to replenish water for the greenery and create a high-humidity environment. This rockery has a stable structure, offers diverse landscape effects, and facilitates planting and maintenance of greenery.

The utility model relates to the technical field of dry-type transformer high-voltage coils, and discloses a dry-type transformer high-voltage coil tapping lead terminal with an improved structure, which comprises an outer frame, the top of the outer frame is provided with a movable cover plate, the bottom end in the outer frame is fixedly connected with an inner connecting seat, a base is arranged above the inner connecting seat, and the inner connecting seat is fixedly connected with the base. A fixing assembly convenient to combine is arranged between the outer frame and the movable cover plate. According to the dry-type transformer high-voltage coil tapping lead terminal with the improved structure, the first sealing layer, the second sealing layer, the connecting seat, the limiting pull rod, the external connecting rod and the limiting ferrule are arranged, so that the firmness between the movable cover plate and the outer frame is enhanced, the flexibility between the structures is optimized, the structures can be conveniently and rapidly disassembled in the follow-up process for detection and maintenance, and the service life of the dry-type transformer high-voltage coil tapping lead terminal is prolonged. The utility model discloses a tapping lead terminal, and solves the problems that the tapping lead terminal adopts a wrapping structure for complete coverage, but internal parts are inconvenient to disassemble and replace due to structure immobilization, the subsequent maintenance cost is high, and the disassembly time is long.

The utility model relates to the technical field of automobile instrument beam welding processing, and discloses an anti-deformation automobile instrument beam welding clamp which comprises a connecting base, a positioning plate is transversely arranged above the connecting base, an anti-deformation assembly is arranged above the positioning plate, the anti-deformation assembly comprises a first spray head and a second spray head, and the first spray head and the second spray head are arranged on the connecting base. Supporting frames are vertically and fixedly connected to the two sides of the top end of the connecting base correspondingly, and the two sides of the positioning plate are fixedly connected with the tops of the inner sides of the two supporting frames correspondingly. According to the anti-deformation automobile instrument beam welding clamp, through the arrangement of the water diversion disc, the first spray head, the second spray head, the limiting frame and the base, it is ensured that the surface of the connecting base is fully covered, water spraying treatment can be conducted on the welded automobile instrument beam, welding piece deformation is effectively prevented, and the problems that the automobile instrument beam is prone to deformation after being welded, and welding quality is poor are solved. The problems that the forming degree of the automobile instrument cross beam is reduced, subsequent use is affected, the damage rate is increased, and the production efficiency is greatly reduced are solved.

This utility model discloses a supporting vertical rib and steel truss bottom formwork reinforcement assembly for building construction, including a supporting vertical rib disposed at the top of the steel truss bottom formwork: a thickened hollowed-out part is welded to the inner cavity of the supporting vertical rib, and a perforated angle iron is provided at the top of the steel truss bottom formwork. A positioning bolt is threadedly connected to the inner cavity of the perforated angle iron, and the perforated angle iron is fixedly connected to the steel truss bottom formwork by the positioning bolt. A large-diameter bolt is threadedly connected to the inner cavity of the perforated angle iron, and the surface of the rear end of the large-diameter bolt penetrates through the thickened hollowed-out part to the rear side of the supporting vertical rib. By using the combination of the thickened hollowed-out part and the perforated angle iron, this utility model can provide additional support to the inner cavity of the supporting vertical rib and increase the connection force between the supporting vertical rib and the steel truss bottom formwork, thereby achieving the purpose of reinforcing the connection between the supporting vertical rib and the steel truss bottom formwork and making the connection between the supporting vertical rib and the steel truss bottom formwork more secure.

The present application relates to the field of hot melt adhesives, and in particular to a hot melt adhesive and a preparation method thereof. A hot melt adhesive, in parts by mass, comprises raw materials including: 5 to 12 parts of polyolefin elastomer, 40 to 60 parts of amorphous plastomer, 25 to 40 parts of tackifying resin, 10 to 20 parts of modified particles, 1 to 3 parts of antioxidant, 5 to 15 parts of lubricant, 1 to 5 parts of softener, 1 to 4 parts of cross-linking agent, and 1 to 2 parts of initiator. The hot melt adhesive prepared in the present application not only has good adhesion and mechanical properties for difficult-to-bond substrates such as PP / PE, but also can maintain its own excellent aging resistance, corrosion resistance, and waterproof and moisture resistance, meeting the existing automotive industry application requirements for the performance diversity of hot melt adhesives, and has very excellent application prospects in the automotive field.

The utility model relates to the technical field of automobile accessories, and discloses a shock absorber of a terminal sealing structure for an automobile, which comprises a shock absorber main body, the top end of the shock absorber main body is fixedly connected with a second connecting part, and the bottom end of the shock absorber main body is fixedly connected with a first connecting part. The top end of the shock absorber body is sleeved with a protection assembly for improving the sealing performance of the structure. Through the arrangement of the first external sleeve shell, the second external sleeve shell, the fixing base, the built-in groove, the mounting bolt, the containing groove, the reinforcing inner layer and the sealing rubber ring, foreign objects are effectively prevented from invading or being interfered by the external environment, the sealing performance of the interior of the shock absorber body is kept, the sealing rubber ring can be detached and replaced subsequently, and the service life of the shock absorber is prolonged. The problems that after a sealing part is installed, the overall structure is fixed, the sealing part cannot be rapidly detached and replaced after being damaged, and the follow-up detection and maintenance cost is high are solved.

The utility model discloses a radiofrequency ablation electrode needle connected in a crimping mode, which comprises a needle tip, a connecting tube body part and a connecting tube body part, the insulating stepped tube is arranged on the connecting tube body part in a sleeving manner, one end of the insulating stepped tube is provided with a first tube body section, and the diameter of the first tube body section is larger than that of the insulating stepped tube; the core shaft is inserted into the connecting pipe body part, and the core shaft and the connecting pipe body part are fixed in a confining pressure compression joint mode; the outer tube is sleeved on the insulating stepped tube, and the outer tube and the insulating stepped tube are fixed in a confining pressure crimping manner; and the end part of the cable is in contact with the core shaft, a crimping pipe is sleeved on the overlapped part of the cable and the core shaft, and the crimping pipe is fixed in a confining pressure crimping manner. Compared with the prior art, the radiofrequency ablation electrode solves the problem that an existing radiofrequency ablation electrode is large in structure forming difficulty.

The utility model discloses a greenhouse wind -proof reinforcing support, the reinforcement frame is provided with the reinforcing frame in the upper portion and the lower portion both sides of front and back frame, the inside of reinforcement frame is fixed with the reinforcing strip of X type, reinforcement frame and reinforcing strip are screwed on every contacted frame, the lower extreme of frame both sides is fixedly connected with the connecting plate that extends outward, the lower extreme fixedly connected with longitudinal distribution reinforcing nail no.

The cylindrical alkaline battery comprises a metal shell, a carbon rod, a positive terminal, a negative terminal and an explosion-proof plate, a sealing plate is arranged on one side of the bottom of the positive terminal on the metal shell, and the explosion-proof plate is arranged on one side of the bottom of the sealing plate on the metal shell. The arc-shaped protruding structure of the explosion-proof plate is far away from one end of the positive terminal, a plurality of arc-shaped grooves are evenly formed in the periphery of the bottom of the sealing plate, a plurality of arc-shaped protruding points matched with the arc-shaped grooves are evenly arranged on the top of the explosion-proof plate and located on the circular ring, and the arc-shaped protruding points are placed in the arc-shaped grooves in a limited mode. The connection force is improved through the explosion-proof plate and the sealing plate, the situation that the ultrahigh constant-current discharge performance is influenced by deviation of an internal carbon rod is avoided, the connection stability performance between the explosion-proof plate and the sealing plate is improved through matching and alignment of arc-shaped convex points on the explosion-proof plate and arc-shaped grooves in the sealing plate, and the situation that the internal discharge performance is influenced by external vibration is avoided; and the structure is simple and stable.

The utility model relates to the technical field of dolls, and discloses a doll with a magnetic attraction structure, which comprises a doll main body, a base is arranged at the bottom of the doll main body, a support frame is fixedly connected to the side wall of the doll main body, and a stabilizing component capable of being fixed by magnetic attraction is arranged on the outer side of the support frame. The stabilizing assembly comprises a connecting frame, a movable seat, a fixed seat, a first plastic clamping plate, a first magnet, a second magnet and a second plastic clamping plate. According to the doll with the magnetic attraction structure, by arranging the connecting frame, the fixed seat, the movable seat, the first plastic clamping plate, the second plastic clamping plate, the first magnet and the second magnet, it is ensured that the soft doll body can stand or sit for a long time and cannot incline or collapse, the stability of the doll body is improved, and the service life of the doll body is prolonged. The soft doll solves the problems that due to the fact that the soft doll is high in softness, the soft doll cannot stably stand or sit, the soft doll is inconvenient to place in order, and a large storage space needs to be occupied.

The utility model discloses a combined reinforcing structure for retaining wall construction, which relates to the technical field of retaining wall construction and comprises a lower baffle, a reinforcing plate is hinged on the lower baffle, handles are symmetrically arranged on two sides of the lower baffle, and a connecting component is arranged on the lower baffle. The connecting assembly comprises limiting grooves formed in the two sides of the reinforcing plate, one side of each limiting block is fixedly connected with a connecting rod, the other end of each connecting rod is fixedly connected with the corresponding limiting block, an embedded body is arranged and penetrates into the retaining wall, reinforcing supporting is provided for the retaining wall, and the supporting effect is improved; the connecting force between the lower baffle and the ground is increased by driving positioning pins into the positioning holes, and the supporting effect of the reinforcing plate is improved. The friction force with the ground is increased through the protruding teeth, and the supporting force is further improved. And the limiting blocks are inserted into the corresponding limiting grooves, the multiple sets of reinforcing plates are rapidly connected, the overall strength is guaranteed, connection is convenient, and a safe area can be conveniently and comprehensively reinforced.

The present invention provides a cerium-containing rare earth functional material and its application in the preparation of rubber products, comprising the following steps: step 1 is to mix anhydrous ethanol, diammonium cyanide and hydrochloric acid solution uniformly, add modified rare earth nitrate, deionized water and tetraethyl silicate thereto, react under heating conditions, and obtain an intermediate system after the reaction is completed; step 2 is to dry, calcine and grind the intermediate system, then add sodium hydroxide solution thereto, react under heating conditions, and filter, wash and dry after the reaction is completed to obtain the cerium-containing rare earth functional material. The cerium-containing rare earth functional material described in the present invention is a nano-scale material. When used as an additive to prepare rubber products, it not only increases the puncture resistance of the rubber, but also gives the rubber excellent antibacterial ability.

The invention discloses an existing building outer wall in-situ reinforcing and repairing method, belongs to the technical field of existing building outer wall repairing, and aims to overcome the defect that an existing existing building outer wall in-situ repairing method is poor in anchoring effect. According to the fixing pin with the knocking expansion and grouting functions, connection between the fixing pin and a wall is tighter and firmer through outward expansion of the bent portion of the expansion pipe and grouting operation, the tensile bearing capacity standard value of the fixing pin with the knocking expansion and grouting functions is effectively increased through the reinforcing fixing structure at the inner end, and the problem that the tensile bearing capacity standard value is low in the prior art is solved.

The present invention discloses a building reinforcement type assembled structure, comprising a prefabricated wall, wherein a plurality of connecting steel bars are embedded in the prefabricated wall, the ends of the connecting steel bars extend from the top of the prefabricated wall, and the bottom of the prefabricated wall is prefabricated with steel bar insertion holes corresponding to the ends of the connecting steel bars, the aperture of the steel bar insertion holes is larger than the diameter of the connecting steel bars, and also comprises a reinforcement base, the bottom surface of the reinforcement base is provided with a fixing groove, the top surface of the reinforcement base is provided with a plurality of through holes corresponding to the steel bar insertion holes, and the ends of the connecting steel bars at the top of the prefabricated wall of the lower layer can pass through the through holes and be inserted into the steel bar insertion holes at the bottom of the prefabricated wall of the upper layer; the present invention connects to the floor by adding a reinforcement base on the basis of the original prefabricated wall, and the reinforcement base adopts high-strength materials and optimized geometric shapes, and is combined with the pouring of concrete to improve the connection force between the wall and the ground, so as to support the reinforced wall to effectively resist the action of external forces.

The utility model relates to the technical field of pearl wool, and discloses pearl wool convenient to wind and cut, which comprises a pearl wool main body, one side of the pearl wool main body is provided with a first circumscribed round sleeve, the other side of the pearl wool main body is provided with a second circumscribed round sleeve, and the surface of the pearl wool main body is provided with a limiting assembly convenient to wind and fix. According to the pearl wool convenient to wind and cut, by arranging the limiting grooves, the long protruding strips, the air holes and the sealing layer, it is guaranteed that the pearl wool body cannot be scattered during winding and carrying, the fixity of the pearl wool body is enhanced, the situation that foreign matter invades the interior of the pearl wool body to damage and affect use is effectively prevented, the independence and sealing performance between structures are enhanced, and the service life of the pearl wool is prolonged. The problems that pearl wool is mainly rolled into a cylinder to be conveniently carried, but due to the fact that the softness and the elasticity of the pearl wool are high, the pearl wool is easy to separate in the carrying process, the rolling fixity is poor, and the carrying efficiency is reduced are solved.

The utility model relates to the technical field of isolators, and discloses an isolator fixing tool which comprises a driving shaft, a copper sleeve is transversely arranged in the center of the interior of the driving shaft, the exterior of the driving shaft is sleeved with a tool assembly capable of being rapidly fixed, and the tool assembly comprises a pin roller, an external thread sleeve, a pin roller compression spring, a retainer and a spiral spline. And a one-way sleeve is arranged outside one side of the driving shaft in a sleeving manner. According to the isolator fixing tool, by arranging the one-way sleeve, the pin roller and the pin roller compression spring, it is ensured that the driving shaft cannot reverse to affect use, the retainer is conveniently buffered and fixed, the situation that the retainer shakes to affect the limiting effect is avoided, and the stability of one-way rotation of the driving shaft is enhanced; the problems that a fixing tool is inconvenient to install outside a driving shaft, the connectivity between the whole structures is limited, the auxiliary guiding effect on one-way rotation cannot be achieved, and the driving shaft is damaged due to the fact that reversion is prone to occurring are solved.

This utility model relates to the field of packaging equipment technology and discloses a control box for packaging equipment, including a box body. Handles are symmetrically fixedly connected to both outer sides of the box body. A dust collector is installed through the left side of the top of the box body, and a connecting seat is fixedly connected to the right side of the top of the box body. A flexible opening and closing fixing component is provided at the front end of the box body. The fixing component includes a movable door. A slot is opened at the front end of the box body, and the left side of the movable door is movably hinged to the left side of the inner wall of the slot in the box body. This control box for packaging equipment optimizes the fixing method of the movable door by setting up a movable rod, movable door, movable frame, external seat, and pull block, ensuring that the movable door will not shift during protection and strengthening the firmness between the movable door and the box body. It solves the problem that the control box is inconvenient to open and close due to structural design issues, affecting operation and use, and that repeated opening and closing causes certain damage to the structure.

The invention provides an optical fiber cleaning machine and a cleaning method, and relates to the technical field of optical fiber processing equipment, the optical fiber cleaning machine comprises a machine body, two winding and unwinding mechanisms, two sponge belts, an optical fiber jig and a spraying mechanism, and the machine body is provided with a cleaning station; the two retracting and releasing mechanisms are oppositely arranged on the machine body and can move towards the cleaning station; the two sponge belts are arranged on the two retracting and releasing mechanisms in a one-to-one correspondence mode, and the two ends of each sponge belt are wound around the same retracting and releasing mechanism. According to the optical fiber cleaning machine and the cleaning method, the optical fiber jig is arranged to clamp the optical fiber to be cleaned, the end face of the optical fiber is placed at the cleaning station, the winding and unwinding mechanism drives the sponge belt to extrude the optical fiber, before the optical fiber is extruded and cleaned, the spraying mechanism sprays the cleaning liquid to the sponge, and the optical fiber jig drives the optical fiber to do reciprocating motion; therefore, optical fiber cleaning operation is achieved through friction with the sponge belt, the product cleaning consistency is improved, meanwhile, multiple optical fibers can be cleaned, and the cleaning efficiency is high.

The utility model relates to the technical field of steel pipe processing, and discloses a sectional type seamless steel pipe quenching device which comprises a base, a fixed seat is fixedly connected to the front end of the top of the base, a flexibly-adjusted quenching assembly is arranged above the base and comprises a quenching box, electric push rods are fixedly connected to the two sides of the bottom end of the quenching box, and the electric push rods are fixedly connected to the two sides of the bottom end of the quenching box. The bottom end of the electric push rod is fixedly connected with the top end of the base, and the rear end of the top of the base is fixedly connected with a fixing plate. According to the sectional type seamless steel pipe quenching device, by arranging the fixing plate, the electric push rod, the movable base, the quenching box and the sliding rail, heating and cooling sectional treatment is achieved, the working efficiency of equipment is improved, the situation that the quenching box shakes due to insufficient stabilizing force during cooling is avoided, and the problem that due to the fact that the distance between the heating function and the cooling function of the quenching device is long is solved. The service efficiency of the device is reduced due to the fact that segmented treatment cannot be conducted, and meanwhile the machining effect is affected due to the low adaptability of the device.