23results about How to "Easy to extend" patented technology

The utility model relates to the technical field of roll paper die cutting, and discloses a thermo-sensitive paper high-precision die cutting device which comprises a U-shaped frame, thermo-sensitive paper and a cutting knife, a rolling assembly is arranged between the inner walls of the two ends of the U-shaped frame, flattening assemblies are arranged on the two sides of the inner walls of the U-shaped frame, a lifting assembly is arranged between the inner walls of the U-shaped frame, and a cutting assembly is arranged at the bottom end of the lifting assembly. Distance adjusting assemblies are arranged on the outer side of the cutting assembly at equal intervals. By arranging the flattening assembly, a section of thermo-sensitive paper can be conveniently flattened downwards, by arranging the lifting assembly, the effect of conveniently adjusting the lifting of the cutting assembly is achieved, by arranging the cutting assembly, the effect of conveniently cutting the thermo-sensitive paper is achieved, by arranging the distance adjusting assembly, the effect of conveniently adjusting the distance of a cutting knife on a rotating shaft in the cutting assembly is achieved, and the cutting efficiency is improved. And the thermo-sensitive paper can be further conveniently cut in different widths, the requirements of workers are increased, and the practicability of the equipment is improved.

The utility model discloses a moisture-absorbing, quick-drying, cool and breathable four-way stretch fabric, which is a tatting twill fabric with a two-up and one-down Z twill weave, and comprises a fabric body, the front side of the fabric body is in a twill style, the back side of the fabric body is in a point-like pattern style, and the fabric body is formed by interweaving warp yarns, first weft yarns and second weft yarns, the warp yarn is formed by stranding two twisted yarns wrapped with spandex, the first weft yarn is a twisted special-shaped section polyester filament yarn, and the second weft yarn is formed by stranding two twisted core-spun elastic yarns. According to the moisture-absorbing, quick-drying, cool and breathable four-way stretch fabric, through adjustment and application of the fabric texture and the yarn, the style is novel, processing is convenient, performance is stable, the fabric texture characteristics are fully utilized to be combined with the yarn, and the fabric has the advantages of being moisture-absorbing, quick-drying, cool, dry, comfortable, breathable and the like; the warp yarns and the second weft yarns are processed into the elastic yarns in a wrapping and core-spun mode, so that the fabric is endowed with more excellent extension and recovery performance, and the fabric has four-side elasticity and is more comfortable to wear.

The present invention discloses a double-lumen endobronchial catheter, comprising a catheter body inserted into the patient's bronchus, an inflation valve and an air bag, wherein an auxiliary ventilation tube and a main ventilation tube are inserted into the tube of the catheter body, the auxiliary ventilation tube is clamped in the main ventilation tube, a rubber clamp ring is arranged on the outer side of one end of the auxiliary ventilation tube, the inflation valve comprises a catheter inflation valve and a ventilation tube inflation valve, the catheter inflation valve is arranged on the catheter body, and the ventilation tube inflation valve is arranged on the auxiliary ventilation tube; the auxiliary ventilation tube is slidably inserted into the main ventilation tube, and the auxiliary ventilation tube and the main ventilation tube themselves have a certain curvature, and after extending from the interior of the catheter body, it is easy to enter the bronchi on both sides, so that the tube is conveniently placed; compared with the prior art, the present scheme is operated through a small-diameter auxiliary ventilation tube, so that the tube is conveniently placed, and the small-diameter auxiliary ventilation tube is easy to extend to the inside of the left bronchus due to its own moving curvature, so that the treatment is convenient.

The utility model relates to a centralized heating device for positive pole pieces, and relates to the technical field of lithium battery production. The device comprises a workbench, the surface of the workbench is provided with a conveying belt used for conveying the positive pole pieces, a mounting frame is arranged above the workbench, the mounting frame is provided with two heating heads used for heating the positive pole pieces, each heating head corresponds to a pole lug part on the side edge of one positive pole piece, and the heating heads are arranged on the mounting frame. And a shielding block is arranged at the bottom of the heating head and is positioned above the corresponding tab part. The application has the effects of reducing the probability of breakage of the positive pole piece and protecting the product quality of the positive pole piece.

The utility model discloses a plastic film extension device which comprises a supporting frame, a first extension device is arranged on one side of the upper end of the supporting frame, a second extension device is arranged at the end, opposite to the first extension device, of the upper end of the supporting frame, and an auxiliary extension device is arranged between the first extension device and the second extension device. The plastic film extension device has the advantages that extension efficiency is improved, a heating panel in the auxiliary extension device can provide proper heat, a plastic film can be heated, the plastic film is easier to extend and form, stability and durability are achieved, the surfaces of a first rotating round rod, a second rotating round rod and a third rotating round rod are made of silica gel materials, and therefore the stability and durability of the plastic film extension device are improved. The material has good wear resistance and stability.

The passing roller comprises a roller body, a plurality of auxiliary parts and a plurality of movable parts, the roller body is provided with a mounting groove and a mounting hole, the mounting groove is formed in the circumferential direction of the roller body, and the mounting hole is formed in the bottom of the mounting groove and penetrates through the roller body; the movable parts penetrate through the mounting holes to be connected with the auxiliary parts, and the auxiliary parts protrude out of the circumferential surface of the roller body. In the application, the auxiliary part protrudes out of the circumferential surface of the roller body, and when the pole piece is rolled by the roller, the auxiliary part can be in contact with the empty foil area, so that the empty foil area is also rolled to extend, the inconsistent extension of the coating area and the empty foil area is prevented, and the empty foil area does not generate wrinkles. Meanwhile, the auxiliary part is arranged, so that an adhesive tape does not need to be pasted on the surface of the passing roller, the operation of an operator is facilitated, the time required for rolling the pole piece is saved, and the efficiency of rolling the pole piece is improved.

The utility model relates to the technical field of grading hoop installation, in particular to an auxiliary installation device based on an oil and gas well grading hoop. Comprising a fixing pile, the two sides of the fixing pile are each provided with an arc-shaped auxiliary block and two hydraulic cylinders, output rods of the hydraulic cylinders are fixed to the corresponding arc-shaped auxiliary blocks, a plurality of first anchor rods which are evenly distributed are fixedly installed on the outer walls of the arc-shaped auxiliary blocks, and arc-shaped grooves are formed in the two sides of each arc-shaped auxiliary block; an arc-shaped extension plate is slidably mounted in the arc-shaped groove, a screw rod is rotatably mounted on the arc-shaped extension plate, an arc-shaped through groove penetrates through the inner wall of the arc-shaped groove, and the screw rod slidably penetrates through the arc-shaped through groove. Through a simple extension structure, the auxiliary block can be conveniently adjusted, the auxiliary block can be conveniently extended, the contact area between the auxiliary block and the well wall can be conveniently increased, the problem that soil and stones on the periphery of the auxiliary block fall off can be effectively solved, and follow-up installation of the grading hoop is facilitated.

The utility model discloses a water leakage tool for preventing mold cracking. The water leakage tool comprises a copper sleeve embedded in the bottom of a mold and a cooling hole formed in the bottom of the mold and corresponding to the copper sleeve. One end of the copper sleeve is provided with an opening, and the wall thickness of the copper sleeve is 0.5 mm + / -0.1 mm. The copper sleeve is good in heat dissipation and extension, cracking caused by cooling temperature difference is avoided, it can be guaranteed that heat is transmitted to the copper sleeve through steel in the die production process, and die heat is effectively taken away. And the mold steel does not leak water after being cracked, so that the material, processing and verification cost for reopening the mold is saved. Production continuity is guaranteed, quality is stable, production efficiency is improved, and the rejection rate is reduced.

The invention relates to the field of teaching auxiliary equipment, in particular to a multifunctional information technology teaching auxiliary device. According to the multifunctional information technology teaching auxiliary device, the connecting plate can be conveniently extended, watching and using are facilitated, the states of students can be monitored, and the teaching effect is improved. A multifunctional information technology teaching auxiliary device comprises a base, a display screen and the like, and the front side of the upper portion of the base is connected with the display screen. The guide clamping frame is moved upwards, then the connecting plate is moved outwards, the connecting plate is rotated, so that the display panel on the rear side of the connecting plate faces students, the students can be shot through the camera, the states of the students are displayed through the display screen, and therefore the connecting plate can be conveniently and rapidly extended, watching and using are convenient, and the practicability is high. And the states of the students can be monitored, so that the teaching effect is improved.

The present invention discloses a detachable and fully wall-enclosed door frame, comprising an outer door frame, an inner door frame arranged inside the outer door frame, the inner door frame comprising four self-retractable door frame devices, a clamping component arranged between two adjacent self-retractable door frame devices; the self-retractable door frame device comprises an outer cover plate installed on the side wall of the outer door frame through a first mounting component, two telescopic plates symmetrically arranged at both ends of the outer cover plate and slidably connected to the inner wall of the outer cover plate, a driving component arranged on the inner wall of the outer cover plate and used to drive the two telescopic plates to move closer to or away from each other, a plurality of elastic extension components arranged on the side of the telescopic plate away from the outer door frame, and a self-detachable plate component arranged at one end of the elastic extension component away from the outer door frame, and a clamping component arranged at the end of the telescopic plate; wall-enclosed door frame devices are symmetrically arranged on both sides of the outer cover plate, and the wall-enclosed door frame device comprises an outer frame plate installed on the outer wall of the outer cover plate through a second mounting component. The present invention is a door frame that is convenient for disassembling and replacing a part of the door frame and is convenient for stable fixation.

A laminated perovskite solar cell panel applied to a vehicle comprises a laminated perovskite solar cell panel body, a wireless remote control circuit, a linear slide rail, a fixed shell, an electric push rod, a storage battery, a DC-DC boost power supply module, a wireless receiving circuit and a positioning mechanism. A plurality of magnets are mounted at the lower end of the fixed shell; the lower end of the first set of laminated perovskite solar cell panel is installed on the fixing shell, the linear sliding rail is installed between a frame of the second set of laminated perovskite solar cell panel and the interior of the fixing shell, the electric push rod is installed on the inner side of the fixing shell, and a push column of the electric push rod and the second set of laminated perovskite solar cell panel are installed together. Cylinder bodies of a plurality of sets of electric push rods A are respectively installed on the outer side of the second set of laminated perovskite solar cell panel frame. The storage battery, the boost power supply module and the wireless receiving circuit are installed in the element box and are electrically connected. On the basis of outputting a high-power power supply, the roof is more attractive, and the probability of damage in severe weather is correspondingly reduced.

The invention provides waterproof coiled material crude oil, a waterproof coiled material and a preparation method of the waterproof coiled material, and belongs to the technical field of building materials. The waterproof coiled material crude oil is prepared from the following raw materials in parts by weight: 31 to 42 parts of asphalt, 1 to 5 parts of styrene-butadiene-styrene block copolymer, 11 to 15 parts of asphalt base oil, 1 to 5 parts of solid particulate matters, 8 to 15 parts of rubber powder, 22 to 28 parts of ash and 0 to 17 parts of stone powder. The waterproof coiled material comprises an upper polyethylene film layer, a lower polyethylene film layer and waterproof coiled material crude oil, and the upper polyethylene film layer is bonded with the lower polyethylene film layer through the waterproof coiled material crude oil. The waterproof coiled material provided by the invention has excellent extension force, can adapt to small changes and thermal expansion and cold contraction of a building structure, and can effectively prevent the material from being broken.

The invention provides a blood-activating and toxin-expelling health-care gel and a preparation method thereof, and relates to the technical field of blood-activating medicines, the blood-activating and toxin-expelling health-care gel comprises a first substrate and a second substrate, the first substrate comprises the following components in parts by weight: 100-300 parts of caulis spatholobi, 100-300 parts of radix scrophulariae, 50-300 parts of honeysuckle, 50-300 parts of lycopodium clavatum, 50-300 parts of saffron and 25-150 parts of rhizoma smilacis glabrae. Traditional Chinese medicinal materials including caulis spatholobi, radix scrophulariae, honeysuckle and stigma croci in the first matrix have the effects of promoting blood circulation to remove blood stasis, clearing away heat and toxic materials and resisting inflammation, active ingredients in the traditional Chinese medicinal materials are effectively extracted through multiple times of decoction and concentration extraction, and it is ensured that the efficacy of the medicine is fully exerted. The water quantity control in the decoction process can ensure that all the components are completely dissolved out, and meanwhile, decoction solutions are combined after three times of decoction, so that the concentration of the extract is more uniform and stable.

The invention relates to a sealing assembly and a rolling bearing. The sealing assembly is annular as a whole and comprises a framework with a radial inner end; the sealing body is attached to the framework, a dynamic sealing lip inclining towards the first axial side is arranged at the position, at the radial inner end of the framework, of the sealing body and used for abutting against a bearing inner ring in a dynamic sealing mode, and a plurality of grooves spaced in the circumferential direction are formed in the position, at the second axial side, of the lip edge of the dynamic sealing lip. The groove divides the lip edge of the dynamic sealing lip into a thin lip edge and a thick lip edge in the circumferential direction. The groove is formed in the lip edge of the dynamic sealing lip, so that when the lip edge of the dynamic sealing lip abuts against the bearing inner ring in a dynamic sealing mode, the lip edge of the dynamic sealing lip is easier to stretch in the circumferential direction, the banding force on the bearing inner ring is reduced, the radial force on the bearing inner ring is reduced, abrasion between the dynamic sealing lip and the bearing inner ring is reduced, and the service life of the dynamic sealing lip is prolonged. The dynamic sealing lip is prevented from being separated from the bearing inner ring due to abrasion, the service life of the sealing assembly is prolonged, and the sealing assembly can conduct electricity for a long time.

The utility model discloses a multi-air-duct cord drying oven which comprises a drying oven body, and one side of the drying oven body is communicated with a drying heating assembly. According to the drying device, the drying heating assembly is arranged for heating, drying and blowing, the backflow circulating pipe plays a role in waste heat backflow and recycling, the drying cost is reduced, hot air is guided up and down in the gaps of the flow guide air duct plates and then flows back and is guided out through the backflow circulating pipe, the hot air drying length is increased, and the drying efficiency is high; the thread rope rolling disc and the thread rope conduction frame can conduct flow guide and conduction on the thread rope, drying operation is convenient, the flow guide thread of the thread rope is matched with the flow guide air channel plate, the thread rope drying length is large, the drying quality is improved, the waste heat recycling effect of the device is good, constant temperature can be kept while energy is saved, the thread rope drying efficiency is improved, and the drying thread prolonging effect is good. The cord drying length is increased, and the drying efficiency and the drying quality are high.

This utility model discloses a baffle device for preventing slurry splashing, relating to the field of baffle technology. The utility model includes a baffle body and an adjusting plate distributed on one side of the baffle body; it also includes: a first spring fixedly connected to the inner side of one end of the adjusting plate, and a locking rod fixedly connected to the top of the first spring; a first auxiliary sliding plate sleeved on the outer side of one end of the locking rod; a locking hole opened on one side of the top of the baffle body; a retraction groove opened on the inner side of one end of the baffle body, and a second spring fixedly connected to the inner side of the retraction groove; and a positioning rod fixedly connected to the other end of the second spring. Through the structure of the baffle body, adjusting plate, locking rod, and positioning rod, this utility model allows for convenient adjustment of the adjusting plate angle according to actual usage needs, thereby facilitating the adjustment of the adjusting plate to a suitable angle, improving the baffle's anti-splashing effect, and resulting in higher overall practicality and better anti-splashing performance.

The utility model relates to the technical field of wire stripping equipment, in particular to wire stripping equipment with a self-cleaning function, which comprises a wire stripping equipment main body, a feeding machine is arranged in the middle of the wire stripping equipment main body, a wire harness holder is arranged on the upper side of the feeding machine, a wire harness to be stripped is clamped in the middle of the wire harness holder, and the wire harness to be stripped is clamped in the middle of the wire harness holder. A self-cleaning assembly is arranged on the lower side of the wire harness to be stripped; the self-cleaning assembly comprises a conveying belt arranged on the lower side of a wire harness to be stripped, and a rotating wheel is clamped and embedded in the inner side of the conveying belt. According to the wire stripping equipment with the self-cleaning function, the conveying belt is used for conveniently conveying the stripped wire harness outer skin to the material receiving plate, and the stripped wire harness outer skin falls into the material receiving box through the material receiving plate to be stored; by adjusting the position of the push rod, the wire harness sheath in the material receiving box can be conveniently extended, so that the stripped wire harness sheath can be conveniently cleaned, and the wire harness sheath is prevented from remaining on the lower side of the wire stripping machine to cause blockage.

The utility model discloses a supporting auxiliary frame with an extension structure, and relates to the technical field of supporting auxiliary frames, the supporting auxiliary frame comprises a fixing frame and an extension frame, the top of the fixing frame is movably connected with a threaded rod through a damping rotating shaft, the top of the threaded rod is fixedly connected with a fixing plate, and one side of the fixing plate is fixedly welded with a limiting rod. According to the supporting auxiliary frame with the extension structure, a worm is rotated to be engaged with a worm gear, the worm gear can drive a first gear to be engaged with a second gear, the second gear rotates reversely, and the second gear and the first gear can drive a set of connecting plates to rotate correspondingly; the connecting plate can move in a sliding groove in one side of the extension frame through a shifting rod on one side, the two extension frames are pushed to extend towards the two sides, sliding blocks at the bottoms of the extension frames can limit the extension frames, the extended extension frames can share compression force to different positions of the arms of the patient, and the supporting stability of the arms of the patient is improved.

The utility model relates to the technical field of fishing rod handle structures, in particular to an extensible fishing rod handle which comprises a handle body, an extension rod and a line wheel clamping seat, the handle body is tubular, a connecting sleeve is arranged at the front end of the tubular handle body, the rear end of the connecting sleeve is fixedly connected with the handle body, an internal thread is arranged at the inner front end of the connecting sleeve, and the extension rod is connected with the line wheel clamping seat. The rear end of the interior of the connecting sleeve is fixedly connected with a locking rubber sleeve, the rear end of the wire wheel clamping seat is connected with a plug inserted into the connecting sleeve, external threads matched with the internal threads are arranged on the circumference of the plug, the front end of the plug is fixedly connected with the wire wheel clamping seat, a threaded groove for being connected with an extension rod is formed in the rear end face of the plug, and the extension rod is conical. The front end of the extension rod is inserted through the rear end of the handle body, extends out of the locking rubber sleeve and then is connected with the threaded groove of the plug, the extension rod is clamped to the locking rubber sleeve after extending out, and the fishing rod has the advantages of being simple in structure, good in extension effect, stable in connection, high in fishing rod strength, capable of adjusting the extension length of the fishing rod, good in experience feeling and the like.

The utility model relates to a tension roller, rolling equipment and a battery production system.The tension roller comprises a secondary roller section and a primary roller section which are adjacently arranged in the axis direction of the tension roller, the secondary roller section comprises a jacking assembly and a deformable first roller surface layer, and the first roller surface layer surrounds the axis of the tension roller and surrounds the periphery of the jacking assembly. Wherein the back shore assembly comprises a back shore part and a plurality of fan-shaped parts, all the fan-shaped parts are located in different radial directions of the tension roller, all the fan-shaped parts have the initial state that the fan-shaped parts can be spliced into a circumferential structure, and the circumferential structure is circumferentially attached to the first roller surface layer. The jacking part can drive all the fan-shaped parts to reciprocate in the corresponding radial direction so that all the fan-shaped parts can be switched between the initial state and the jacking state that the first roller surface layer can be jacked to deform relative to the roller surface of the main roller section. According to the technical scheme, the ductility of the tab area is improved, and the risks of breakage, wrinkling and the like of the tab area are reduced.

The application discloses a mask plate and a use method and a mask plate assembly thereof. The mask plate comprises a body part, a plurality of preset areas are arranged at intervals in the body part, and an evaporation opening is arranged in each preset area. The mask plate further comprises a first weight-reducing part, a first supporting part and a second weight-reducing part in the preset area. The first weight-reducing part is arranged around at least part of the edge of the evaporation opening and is in contact with the edge of the evaporation opening. The first supporting part is arranged around the evaporation opening and is located on the side of the first weight-reducing part away from the evaporation opening. The second weight-reducing part is located on the side of the first supporting part away from the evaporation opening and is annular and arranged around the first supporting part. The thicknesses of the first weight-reducing part and the second weight-reducing part are smaller than that of the first supporting part. The mask plate provided by the application can reduce the gap between the mask plate and a precision mask plate, improve the wrinkle between the mask plate and the precision mask plate, and help improve the evaporation quality.

The invention discloses a preparation method of an intelligent power module and a packaging module prepared by the same, comprising the following steps: preparing an aluminum-based copper-clad laminate: selecting an aluminum-based copper-clad laminate of an appropriate size and cleaning the aluminum-based copper-clad laminate; solder paste printing; component pasting: mounting the component at the position of the printed solder paste on the aluminum-based copper-clad laminate; reflow soldering fixation: reflow soldering the mounted aluminum-based copper-clad laminate to fix the component mounted on the aluminum-based copper-clad laminate; copper wire welding: welding the copper wire, and arranging the copper wire along a direction perpendicular to the injection molding direction of a flow channel during packaging; gold wire welding: welding the gold wire, and arranging the gold wire along a direction parallel to the injection molding direction of the flow channel during packaging; drying injection molding and product testing; The present application aims to propose a preparation method of an intelligent power module and a packaging module prepared by the same, which adopts a wiring manufacturing method combining gold wire and copper wire to reduce the problem of wire punching to a lower level, reduce the product defect rate, and improve the reliability of the product.

The utility model provides a printed circuit board (PCB), which relates to the technical field of part welding, and comprises a plurality of oval bonding pads which are respectively arranged on the PCB, each oval bonding pad corresponds to a pin of a part to be welded, and the width of each oval bonding pad is larger than that of the corresponding pin. The beneficial effects are that: 1) the shape of the bonding pad is adjusted to be elliptical, which is beneficial for the extension of solder paste, and avoids the problem that the part cannot work normally due to missing soldering or poor soldering of part pins caused by incapability of brushing corners or non-uniform brushing; the position of the bonding pad is set according to the size of the to-be-welded part, the size can be standardized, the standard is unified, and the working efficiency is improved.