54results about How to "Play a role of sealing protection" patented technology

The invention belongs to the technical field of buildings and relates to an automatic adjustable connecting piece capable of achieving upper screwing and lower locking. The automatic adjustable connecting piece capable of achieving upper screwing and lower locking comprises an upper connecting bar and a lower connecting bar. An upper connecting cavity is formed in the end of the upper connecting bar, and a lower connecting cavity is formed in the end of the lower connecting bar. Internal threads are arranged in the upper connecting cavity and the lower connecting cavity. An insertion bar is connected into the upper connecting bar in a threaded mode. A clamping mechanism is connected into the lower connecting bar in a threaded mode. A gear ring is arranged on the outer wall of the insertion bar, and the gear ring and the insertion bar are integrally formed. When the insertion bar is inserted into the clamping mechanism, the position of the end of the insertion bar in the clamping mechanism can be adjusted by rotating the gear ring, so that the insertion bar and the clamping mechanism are matched in a clamped mode. By the adoption of the automatic adjustable connecting piece capable of achieving upper screwing and lower locking, mechanical operation for connection is facilitated; and in addition, the connecting distance can be adjusted, both an anti-pulling effect and an anti-pressing effect can be achieved, and connection is firm and reliable.

The invention relates to the technical field of precision or ultra-precision machining, provides a supersonic vibration machining device and mainly consists of a supersonic vibration unit, a shell and a tool. Two node positions of the supersonic vibration unit are fastened by the shell of a shrink ring structure; the length of the shell is very easy to adjust, and an inner annular boss of the shell is fastened at the node positions of the supersonic vibration unit all along. The working frequency of the device is 38+ / -0.5KHz, so that noise pollution cannot be produced; the machining efficiency is high; moreover, assembly links of the device are few, and a blade is convenient to install and uninstall; meanwhile, the device is high in rigidity and good in airtightness. The device provided by the invention has a remarkable effect in the aspects of machining of materials which are hard to machine and cutting of low-rigidity parts, such as slender axles, thin-walled workpieces and the like; a cutting force, the cutting temperature, tool wear and the material cutting deformation of workpeices can be obviously reduced; the quality of finished surfaces and the accuracy of forms and positions of the workpieces are improved; subsequent processes are reduced, and further, the machining efficiency and the economical efficiency are improved.

The invention provides an anti-shake interface device for a high-speed rail data transmission cable. The device comprises an upper cover plate, a lower cover plate and a cable joint, and is characterized in that the lower cover plate is clamped at the lower end of the upper cover plate, the cable joint is clamped and fixed between the upper cover plate and the lower cover plate, and the cable joint is formed by mutually clamping a cable male joint and a cable female joint; a hollow circular groove is formed in the center of the bottom of the upper cover plate, a clamping and pressing device isclamped in the hollow position in the hollow circular groove, third grooves are formed in the left side and the right side of the center of the bottom of the upper cover plate, and first inserting rods are vertically and fixedly connected to the left end and the right end of the front side and the rear side of the bottom of the upper cover plate; first insertion holes are arranged at the left andright ends of the front and back sides of the top of the lower cover plate, a first groove is formed in the center of the top of the lower cover plate, and a supporting device is installed in the first groove. The invention provides the anti-shake interface device for the high-speed rail data transmission cable, and aims to solve the problems that the data transmission cable is easy to loosen, the stabilizing effect in the prior art is poor, and the cable is easy to wear and break off during shaking.

The invention belongs to the technical field of building, and relates to an upper-screwing lower-locking automatic insertion rod adjustable connection component. The upper-screwing lower-locking automatic insertion rod adjustable connection component comprises an upper connection rod and a lower connection rod, wherein the end part of the upper connection rod is provided with an upper connection cavity, and the end part of the lower connection rod is provided with a lower connection cavity; the upper connection cavity and the lower connection cavity are separately internally provided with inner threads; the upper connection rod is internally connected with a connection rod through threads; the lower connection rod is internally connected with a clamping mechanism through threads; the outer wall of the insertion rod is provided with a tooth ring which is integrally moulded with the insertion rod; when the insertion rod is inserted into the clamping mechanism, the position of the end part of the insertion rod in the clamping mechanism can be adjusted by rotating the tooth ring, so that the insertion rod is in clamping match with the clamping mechanism; and a gear ring is connected with the insertion rod through threads, and the gear ring can approach the lower connection rod and be tightly pressed against the end part of the lower connection rod by rotating the gear ring. By adopting the upper-screwing lower-locking automatic insertion rod adjustable connection component, connection can be conveniently performed through mechanical operation; and the connection distance is adjustable, so that dual effects of uplifting resistance and pressing resistance can be achieved, and connection is firm and reliable.

The invention discloses a multifunctional well head device. The multifunctional well head device is mainly composed of a gland, a pressing ring, a three-section conical slip and a slip bowl. An inner thread is designed at the lower portion of the gland and matched with an outer thread of the slip bowl. A through hole is designed in the upper portion of the gland. The outer surface of the three-section conical slip is in conical design and is matched with an inner conical hole of the slip bowl. The pressing ring is arranged between the gland and the three-section conical slip. The multifunctional well head device is fixed to a well head casing pipe column. On the basis of one set of device, well head height adjustment, oil pipe centralizing and oil pumping pipe column hanging functions can be achieved only by replacing conical slips of different specifications, and a plurality of problems existing in well repairing work are solved. Using is convenient, the work efficiency and the well repairing quality are improved, and safety of the well repairing work process is guaranteed. The problem that no special well head devices exist for the well repairing work for a long time is solved, the multifunctional well head device can serve as standard configuration for a well head during well repairing work, and the positive promoting function is achieved for improving the standardization of the well repairing work.

The invention discloses a rust removal treatment device for the surface of a disc-type metal casting and belongs to the technical field of rust removal for castings. According to the rust removal treatment device for the surface of the disc-type metal casting, through cooperation of a pair of casting positioning mechanisms and a polishing roller capable of moving in the up-down and left-right directions, after the disc-type metal casting is positioned, based on different to-be-treated surfaces of the casting, the horizontal position and vertical position of the polishing roller are adjusted toperform targeted treatment on the plane and convex surface of the casting, and the treatment flexibility of the device is effectively improved. An oil seal mechanism capable of being pushed is additionally arranged in the casting positioning mechanism, under pushing of an oil injection piston, the oil seal mechanism makes liquid fat permeate into an oil seal sponge, the oil seal sponge and the outer end wall of the casting form a layer of oil film, and meanwhile the oil seal sponge with some oil not only effectively improves the tightness of adhering to the outer side of the casting, but alsoeffectively achieves a protection function on the casting when clamped.

The invention discloses a VR technology-based teaching experience device and an experience system thereof. The VR technology-based teaching experience device comprises a VR helmet body and a mobile phone clamping mechanism arranged at the rear side of the VR helmet body, wherein the left side and the right side of the mobile phone clamping mechanism are symmetrically provided with two clamping mechanisms; two ends of the front side of the VR helmet body are symmetrically provided with stretching clamping seats; the middle of the stretching clamping seat is horizontally provided with a stretching connector; the front end of the stretching connector is connected with an arc elastic piece; the front ends of the two arc elastic pieces are connected through an arc protection plate; and an arch-shaped support plate is arranged between the top end of the arc protection plate and the VR helmet body. The experience system comprises a mobile terminal, an information acquisition terminal, a fixing terminal and an information output terminal. Various types of mobile phones can be quickly clamped and fixed, shaking during the use process is avoided, the mobile phone clamping mechanism can be quickly returned when the mobile phone is taken out, a certain sealing protection role is played, quick adaptive adjustment can be carried out according to the personal condition of a user when the userwears the device, and the use needs of the user are met.

The invention discloses a pressing hemostasis device for a cardiovascular medicine surgery, which comprises a shell, the lower surface of the shell is fixedly connected with an elastic bandage, the upper surface of the shell is fixedly connected with a fixing frame, the front side of the fixing frame is rotatably connected with a driving gear through a pin shaft, and the rear side of the driving gear is fixedly connected with a transmission arm. and a pressing block is fixedly connected to the lower surface, close to the left end, of the transmission arm, a rectangular rod is slidably connected to the lower surface, close to the right end, of the transmission arm, and the rectangular rod penetrates through the upper and lower surfaces of the shell and is slidably connected with the shell in a limited mode. According to the device, through cooperative use of the structures, the problems that in the actual use process, due to the fact that a traditional hemostasis device needs to be operated by multiple persons, time and labor are wasted in the operation process, and the integration degree is low, hemostasis gauze on a wound is difficult to replace effectively and regularly, and the workload of medical staff is increased are solved.

The invention discloses a novel integrated device for clinical exploration treatment of obstetrics and gynecology department. The novel integrated device comprises a sealing cover, wherein the bottomof the sealing cover is fixedly connected with a disc shell, the upper surface of the disc shell is fixedly connected with a motor, the bottom of an output shaft on the motor is fixedly connected witha rotating shaft, the rotating shaft penetrates through the disc shell and is rotatably connected with the disc shell, and the surface of the rotating shaft is fixedly connected with a sun wheel. A planet wheel is meshed with the surface of the sun wheel, a transmission shaft is fixedly connected to the inner wall of the planet wheel, a pump is fixedly connected to the bottom of the transmissionshaft, and an outer gear ring is meshed with the side, far away from the sun wheel, of the planet wheel. By means of the matched use of the structures, the problems are solved that in the actual use process, when the traditional probing device is used for examining the affected part of a patient, the affected part is difficultly cleaned comprehensively in time, inconvenience is brought to subsequent probing treatment, probing errors are easily caused, inconvenience is brought in use, and the working efficiency is reduced.

The invention belongs to the technical field of first aid kits, and particularly relates to a medical first aid kit. The medical first aid kit includes a top cover, a first glass baffle, a drive ring,a drug box, a second baffle and a separation blade. When commonly used drugs or tools are needed, the top cover is opened, the commonly used drugs or tools can be taken out through a first scallop hole formed in the first glass baffle, when drugs or tools at other positions are needed, the first glass baffle is opened, and the drugs or tools at other positions are taken out by controlling the rotation of the drive ring. Through the arranged first glass baffle, the second baffle and the drive ring, it can be ensured that the drugs or tools at other positions are not affected when some drugs ortools are taken out from the medical first aid kit, and the contamination, caused by the fact that dust or sand enters the first aid kit in desert areas due to high wind, of the tools or drugs in thefirst aid kit is prevented.

The invention discloses an assembly type bridge beam end telescopic deformation coordination structure and an installation method thereof, and belongs to the technical field of bridge construction. The structure comprises a first beam end and a second beam end which are in gap butt joint; a plurality of first displacement box grooves and second displacement box grooves with symmetrical notches are respectively formed in the side end surfaces of the first beam end and the second beam end along the transverse direction of the gap; a supporting cross beam stretching across the gap is arranged in the first displacement box groove and the second displacement box groove in the depth direction of the box grooves in a sliding mode; and I-shaped steel is fixedly arranged on the supporting cross beam, one end of a top leg plate of the I-shaped steel is connected with the first beam end above each first displacement box groove through a buffer block, and the other end is connected with the second beam end above each second displacement box groove through a buffer block. The structure can play a role in buffering and protecting telescopic deformation of the beam end of the fabricated bridge, is easy to replace and install, and is convenient to maintain during operation.

The embodiment of the invention discloses an LED display screen assembly comprising a rear baffle, a front baffle having the surface connected with a display module, and a protruding mechanism connected between the rear baffle and the display module. A cleaning shielding mechanism installed between the front baffle and the rear baffle in a covering mode sleeves the outer side of the protruding mechanism. According to the invention, with a shielding film, the operation of converting a cleaning frame into a cleaning wrapping film is realized; when a user cleans the display screen, the cleaning is more convenient and faster; the efficiency is higher. During implementation, a transparent baffle film is attached to the front baffle plate through a pressing block; then, once the cleaning operation is needed, the purpose can be achieved only by starting a driving shaft to enable the transparent blocking film to slide along the rear baffle and the front baffle. The LED display screen assemblyis simple to operate and high in efficiency; meanwhile, after the shielding film is mounted, a main shielding plate and an auxiliary shielding plate for bearing the shielding film can play a role in further sealing and protecting, so that external rainwater and soil cannot easily permeate into the box body.

The invention discloses a single-wall heat-shrinkable tube. The tube comprises the following components in parts by weight: 30-50 parts of ethylene vinyl acetate copolymer with melt index of 1-5g / 10min, 10-20 parts of ethylene vinyl acetate copolymer with melt index of 10-20g / 10min, 5-15 parts of ethylene vinyl acetate copolymer with melt index of 20-40g / 10min, 20-40 parts of an environment-friendly fire retardant, 1-5 parts of a thickening agent, 0.2-2 parts of a lubricating agent, 2-4 parts of a colorant and 0.5-1 part of an antioxidant. According to the tube, EVA with different melt indexes is taken as main substrates and an environment-friendly fire retardant is added, so that the single-wall heat-shrinkable tube has flame retardant property and can alleviate pollution to the environment. Besides, the thickening agent is added, so that the single-wall heat-shrinkable tube has excellent sealing property; through the processing technical control, the partial crosslinking of a semi-finished product after being radiated can be guaranteed; a layer of un-crosslinked area is maintained on the inner wall, so that the sealing protection function is achieved; the use performance and application scope of the single-wall heat-shrinkable tube can be obviously increased.

The invention provides a wire outlet structure, a motor and an automobile. The wire outlet structure comprises an end cover, and a through hole is formed in the end cover; a circular truncated cone structure is made of an elastic material, and the circular truncated cone structure is arranged in the through hole in an interference penetrating mode; and an inserting piece hole is formed in the circular truncated cone structure in the penetrating direction. The circular truncated cone structure capable of generating elastic deformation is arranged in the through hole in an interference fit mode,when the inserting piece penetrates through the inserting piece hole, the circular truncated cone structure deforms and can seal and wrap the inserting piece, the sealing protection effect is achieved, and rainwater is prevented from entering the interior.

The invention belongs to the technical field of medical equipment, in particular to dust-proof medical equipment. The dust-proof medical equipment comprises a top cover, a bottom box, a first lock structure, a second lock structure, a first box body mechanism, a second box body mechanism and a third box body mechanism. The medical equipment divides different medicines or appliances into three groups according to the frequency of common use and is sequentially arranged in the designed first box body mechanism, the second box body mechanism and the third box body mechanism, the function of the dust-proof medical equipment is to facilitate a user to search for the medicines or appliances in an emergency process and is not easy to collide; different types of transparent glass baffles are mounted on the upper sides of object storage shells, so that on the one hand, medicines or appliance types in different object storage shells can be clearly seen without opening the glass baffles through the transparent glass baffles, and thus the glass baffles on which the object storage shells are specifically opened can be determined; and meanwhile, medicines and appliances positioned in the objectstorage shells can be sealed and protected through the glass baffles.

The invention discloses a waterproof display screen of an intelligent device, the waterproof display screen comprises a housing body for mounting a screen body, a metal plate is mounted inside the housing body, L-shaped connecting pieces at the upper end and the lower end of the metal plate extend into the rear part of the housing body, a rear metal plate is clamped in a frame at the rear part ofthe housing body, clamping grooves used for clamping the tail ends of the L-shaped connecting pieces are arranged at the upper end and the lower end of the rear metal plate, the rear part of the housing body is also provided with a sealing frame sleeved on the outer side of the frame, a rubber sealing frame is arranged inside the housing body, the screen body is clamped in the rubber sealing frame, and an inserting block used for abutting against the screen body is further arranged in the rubber sealing frame. According to the waterproof display screen of the intelligent device in the invention, the metal plate can transfer heat generated in the housing body by the screen body during work to the rear metal plate through the L-shaped connecting pieces, and then the heat is diffused into theframe through the rear metal plate, such that the heat dissipation efficiency is effectively improved, and meanwhile the sealing performance can be taken account of; and the rubber sealing frame andthe inserting block play a role in sealing and protecting the screen body.

The invention discloses a multifunctional physiotherapy pad containing graphene. The multifunctional physiotherapy pad comprises a plate 1 of which the circular center of the lower surface of the plate 1 is fixedly connected with a shaft 1. The bottom of the shaft 1 is fixedly connected with a storage roller of which the bottom portion is fixedly connected with a shaft 2. A plate 2 rotates on thebottom of the shaft 2 by a way of limiting. The lower surface of the plate 1 is provided with a spiral groove of which the inner wall is slidably connected with an extrusion rod. A limiting groove isarranged on the upper surface of the plate 2. According to the invention, the structures cooperates with each other to solve the problems of lower far-infrared output efficiency resulting in large waste of electric power resources in long-term use; inconvenient storage resulting in deficiency of whole portability and unavailable protection resulting in inconvenience of use after being stored in term of traditional graphene multifunctional physiotherapy pads in actual use.

The invention relates to the technical field of gear machining, in particular to an aluminum bronze gear for a high-speed train transmission shaft. The aluminum bronze gear for the high-speed train transmission shaft comprises a gear body, wherein the gear body is composed of at least two gear plates; every two gear plates are in sliding connection; the gear plates are fixedly connected with a hubbody; every two end faces of the gear plates are fixedly connected through an arc-shaped connecting plate; and a cover plate is fixedly connected to the inner side of the gear and located on the outer sides of the arc-shaped connecting plates. According to the aluminum bronze gear for the high-speed train transmission shaft, the aluminum bronze gear is divided into the multiple gear plates, and when the gears on the corresponding gear plates are damaged, only the corresponding gear plates need to be replaced, and the whole gear does not need to be replaced, so that the material cost can be effectively reduced, and the material waste is also avoided.

The invention discloses a printing machine stable in paper winding. The printing machine comprises a machine base (1), wherein a workbench (2) is arranged on the machine base (1); paper winding units (3) are arranged at the two sides of the workbench (2); the two ends of the two paper winding units (3) are respectively connected with cantilevers (4) and support units (5); drive motors (6), driving wheels (7), driving belts (8) and driven wheels (9) are arranged on the cantilevers (4); the driven wheels (9) are connected with the paper winding units (3); the support units (5) comprise support frames (51); support shafts (52) are arranged at one sides of the support frames (51); extension bases (53) are arranged at the bottoms of the support frames (51); one ends of the extension bases (53) are connected with bolts (54); mounting bases (10) are arranged at the two sides of the workbench (2); waist-shaped holes (11) are formed in the mounting bases (10). The printing machine can achieve the effect of improving the paper winding stability, is convenient to use and also has the advantage of wide range of application.

The invention discloses a solar cell encapsulation frame, belonging to the technical field of solar cells, comprising a frame body, a sealing mechanism is arranged inside the frame body, a laminate is arranged in the frame body through the sealing mechanism, and a junction box is arranged at one end of the laminate. One end of the frame main body is provided with a sealing plate through the sealing mechanism, the sealing plate is fixedly connected with the frame main body through the connecting component, the frame main body, the laminated plate and the sealing plate form a sealing cavity through the sealing mechanism, and the sealing cavity is filled with sealing liquid. Compared with the prior art, the beneficial effect of the present invention is that the structure of the present invention is simple, and the installation is convenient, and the problem that the sealability of the sealing chamber cannot be detected after the seal failure is solved by using the sealing liquid in the sealing frame, and the laminated board is sealed by the sealing liquid It plays a certain role of sealing and protection. At the same time, the integral frame body is used to ensure the strength of the solar cell. The installation process is relatively simple, and the technical requirements for installation are relatively low.

The invention discloses a dust-reducing and environment-friendly concrete aggregate mixing device and a method for using the same, which belong to the technical field of concrete processing and can be equipped with a special dust-proof linkage component and a material transporting component. Fill the aggregate into the hopper, then put the dust cover on the outside of the hopper, and control the start of feeding by pulling the handle ring on the outside of the dust cover, so that when feeding into the mixing box , the dust cover can play a role of sealing protection, effectively prevent dust from overflowing, and then effectively prevent dust from polluting the environment and endangering the health of workers, significantly improving environmental protection performance and practicability, and can effectively avoid aggregate Friction and collision with the inner wall of the feed pipe can significantly reduce the generation of dust, and through the settings of the water tank, micro-water pump, atomizing nozzle, and power supply components, the dust generated when loading aggregates into the hopper can be significantly reduced .

A processing method for an ultrathin multi-layer printed circuit board comprises the following steps of firstly, simultaneously laminating and pressing an ultrathin carrier copper foil and a carrier prepreg to form a detachable multi-layer structure circuit bard having a carrier structure, attaching and fixing the ultrathin copper foil onto the carrier structure by gummosis of carrier prepreg resin to form an unified integral structure, determining an alignment system by a positioning hole in the ultrathin carrier copper foil for subsequent flow process, and separating processing boards from the ultrathin copper foil and the carrier copper foil by edge milling and plate disassembly operation when the thicknesses of the processing boards are larger than or equal to 0.06 millimeters, thereby obtaining two completely same processing circuit boards; and finally, respectively processing the two processing boards by a conventional process flow until the fabrication of a required circuit or package substrate is completed. By the processing method, the cost can be substantially reduced, and the production efficiency and the product yield are improved.

The invention relates to a high waterproofing lap type locking screw steel plate. The steel plate includes a male rib (1) and a female rib (2). The male rib (1) and the female rib (2) are respectivelyarranged on the two ends of the steel plate. The male rib (1) and the female rib (2) are tightly connected with each other at the lap joint through self-tapping screws and purlins. The steel plate ischaracterized in that the end portion of the male rib (1) is provided with a bend (11), the bend (11) is provided with a water stop tank (12), the water stop tank (12) is arranged along a direction parallel to the male rib (1) and the female rib (2), the water stop tank (12) is filled with a sealing material, and the sealing material matches the female rib (2). Compared with the prior art, the high waterproofing lap type locking screw steel plate has advantages of good waterproof effect, convenient installation and the like.

The invention relates to an optical fiber wiredrawing annealing heat preservation device convenient for cleaning and capable of improving the production efficiency and quality of an optical fiber. The optical fiber wiredrawing annealing heat preservation device comprises an outer pipe body and an inner pipe body, wherein the inner pipe body is arranged in the outer pipe body; the outer pipe body comprises an openable outer pipe body upper part and an openable outer pipe body lower part; a heating conductor is wound on the outer side surface of the inner pipe body, a heat preservation layer is arranged on the inner side surface of the outer pipe body, an insulation layer is arranged on the inner side surface of the heat preservation layer, and a high-temperature resistant sealing strip is arranged at the connecting part of the outer pipe body upper part and the outer pipe body lower part of the outer pipe body.

The invention discloses a normal-pressure sealed air-insulated circuit breaker. The device comprises a sealing shell, a driving shaft, a driven shaft, a flashboard, circuit breaking modules, a packaging plate, a partition plate, a pull rod, a transmission plate, a crankshaft, a motor, a curved ring, a driving gear, a driven gear, a concentric gear, a transmission gear, a rotating shaft, a drivinggear and a linkage gear. The driving shaft and the driven shaft are rotationally mounted on one side of the sealing shell. Three circuit breaking modules are mounted on the outer wall of the drivingshaft. Three gate plates are correspondingly mounted on the outer wall of the driven shaft. The partition plate is fixed in the sealing shell. The packaging plate is mounted at the top of the partition plate. The driving shaft penetrates into the inner side of the packaging plate and provided with a curved ring. The curved ring is in linkage with the transmission plate. A transmission part is packaged through the sealing shell, so that the sealing protection effect is achieved, the safety is improved, the size is small, and the occupied space is reduced. The device is stable and sensitive in driving, rapid opening and closing can be achieved, and the using performance is improved.

The invention relates to the technical field of connectors, and particularly relates to a wire end multi-core waterproof connector which comprises a shell, a front end sealing assembly arranged on the shell, a terminal assembly arranged in the shell, a rear end sealing assembly arranged on the shell and connected to the terminal assembly, and a lock catch assembly arranged on the shell. The shell is provided with an insertion cavity and an insertion fixing cavity, the insertion fixing cavity extends to the insertion cavity, the front end sealing assembly is arranged in the insertion fixing cavity in a sleeving manner, the terminal assembly is arranged in the insertion fixing cavity, and the rear end sealing assembly is arranged in the insertion fixing cavity and is far away from the front end sealing assembly. The front end sealing assembly and the rear end sealing assembly are arranged at the front end and the rear end of the terminal assembly of the connecting cavity respectively, the front end sealing assembly and the rear end sealing assembly play a role in sealing the front end and the rear end in the plug-in use process of the connector, then the plug-in and sealing effects of the connector are enhanced, the sealing effect and the waterproof effect are good, and the service life is prolonged.