233 results about "Elastic plastic material" patented technology

The invention discloses a fiber Bragg grating measuring instrument for internal displacement of a structure, and belongs to the technical field of geotechnical engineering, the fiber Bragg grating measuring instrument comprises an elastic rubber hose and an elastic plastic sleeve which are sleeved and attached inside and outside, the outer wall of the elastic rubber hose is circumferentially provided with a measuring optical fiber, and the measuring optical fiber extends along the axis direction of the elastic rubber hose; fiber Bragg grating strain sensors which are arranged at intervals are connected in series in the measuring optical fibers along the extension direction of the measuring optical fibers, the inner wall of the elastic plastic sleeve is circumferentially provided with accommodating grooves for embedding the measuring optical fibers, the accommodating grooves extend to the end part along the axis direction of the elastic plastic sleeve, and the number and the position of the accommodating grooves correspond to the number and the position of the measuring optical fibers. The device is simple in structure and high in automation degree, can monitor the internal displacement condition of the main body structure in real time, avoids the problem of untimely detection, and can avoid the error problem caused by the damage of the measuring optical fiber and the fiber bragg grating strain sensor in the measuring optical fiber under the protection of the elastic plastic sleeve.

Disclosed is an all-plastic foam pump structure, including a pressing head (1) made of plastic, a mesh passage (2), a pump body (3), a bottle locking cap (4), a main column (5), an air suction plug (6), a liquid suction plug (7), an elastic sleeve (8), and a pump bead (9), where the bottle locking cap (4) is connected to an upper end of the pump body (3) in an inserted manner; the pump body (3) includes an air chamber (31) and a liquid chamber (32) which are provided at the top and bottom; the air suction plug (6) is provided in the air chamber (31) and connected to the pressing head (1) in an inserted manner, and the mesh passage (2) is arranged between the air suction plug (6) and the pressing head (1); an upper end of the main column (5) extends out of the air chamber (31) and is connected to the air suction plug (6); when the pressing head (1) is pressed downwards, the main column (5) moves downwards together with the air suction plug (6); the liquid suction plug (7) is provided in the liquid chamber (32) and is connected to a lower end of the main column (5); the elastic sleeve (8) sleeves an outer side of the main column (5) and is an elastic plastic annular piece with an opening arranged on a side surface; the pump bead (9) is provided at an inlet of a lower end of the liquid chamber (32). All assemblies of the foam pump are made of plastic and may be recycled without disassembly and classification, improving the recycling efficiency.

The invention belongs to the technical field of high polymer materials, and particularly relates to environment-friendly aliphatic TPU (thermoplastic polyurethane) elastic plastic. The bio-based polyurethane elastomer is prepared from the following raw materials in parts by weight: 60 to 65 parts of bio-based polyester polyol, 25 to 30 parts of aliphatic diisocyanate, 5 to 8 parts of silane coupling agent grafted nano cellulose whisker, 1.5 to 2.5 parts of chain extender, 0.5 to 1 part of bio-based organic tin catalyst, 0.3 to 0.7 part of antioxidant and the like. Compared with the prior art, the invention has the following beneficial effects: environment-friendly raw materials such as bio-based polyester polyol, bio-based organic tin catalyst and the like are adopted, and the degradable nano-cellulose whisker is used as a reinforcing agent, so that the use of petrochemical raw materials is reduced from the source, the environmental pollution is reduced, and the material is easy to degrade after being used, and is environment-friendly. The TPU elastic plastic prepared by the preparation method disclosed by the invention meets the modern environmental protection concept, and the TPU elastic plastic has excellent elasticity, wear resistance and weather resistance due to the elaborately designed raw material ratio, so that the TPU elastic plastic has wide application potential in the field of shoe materials.

A sealing cap made of an elastic plastic material for a container closure includes a container socket base formed on a container for disposing a container socket having a bung plug disposed in a bung socket formed on the container socket base, the sealing cap comprising a lid disk which has a fastening means disposed on an underside of the lid disk and provided with a snap-lock means for forming a snap-lock connection with the bung plug, and an edge skirt disposed at the circumference of the lid disk and connected to the lid disk via a predetermined breaking means. The lid disk has a support means for supporting the lid disk on the container socket base, the support means being disposed radially inside adjacent to the predetermined breaking means on the underside of the lid disk.

The accounting bill arranging device comprises two elastic plastic rods and a plurality of accounting bill arranging partition plates, each accounting bill arranging partition plate comprises a partition plate, and a second square pipe is installed on each of the two sides of each partition plate. The distance between the accounting bill sorting partition plates can be adjusted according to the actual number of files, so that when accounting bill sorting is carried out, if the number of files of a single type is small, the two partition plates can be matched to clamp stacked accounting bills, the bottom of a compartment formed by every two adjacent partition plates is of an open structure and is not closed, and therefore the number of the files of the single type is small. Therefore, the situation that the file falls into the bottom of the compartment and cannot be conveniently taken out is avoided.

The invention discloses a greenhouse tomato picking robot, and belongs to the technical field of picking equipment, the greenhouse tomato picking robot comprises a picking vehicle body, the top of the picking vehicle body is fixedly connected with a supporting seat, the top of the supporting seat is provided with a picking mechanical arm, the end of the picking mechanical arm is provided with a picking claw, and a conveying assembly comprises an elastic plastic net bag. A protection assembly is installed on the side wall of the elastic plastic net bag and used for stably conveying tomatoes of different sizes in the elastic plastic net bag, damage caused by too large impact of the tomatoes is avoided, the picked tomatoes can be directly conveyed into the picking frame conveniently, it is not needed to transfer the tomatoes up and down to delay the working time, and the picking efficiency is improved. The tomato conveying device has the advantages that tomatoes in the conveying process can be buffered and protected, damage caused by too large impact of the tomatoes is avoided, the conveying channel can be expanded and contracted, stable protection conveying of the tomatoes of different sizes is facilitated, use is flexible, and the picking efficiency is improved.

The utility model relates to the technical field of scrapers, and particularly discloses a special scraper for building decoration wallboards. Comprising a handle rod, an external thread line formed in the handle rod, a bearing groove in threaded connection with the external thread line, a scraper blade cutter detachably connected with the end of the handle rod, a plurality of through holes formed in the bottom in the bearing groove and a mounting column arranged outside the bearing groove and communicated with the through holes, and an elastic plastic collecting bag is detachably connected to the periphery of the mounting column. The device solves the problem that a traditional scraper cannot effectively treat scraped wall ash.

The utility model provides a multifunctional automobile cleaning brush, which relates to the technical field of automobile cleaning tools, and is characterized in that the multifunctional automobile cleaning brush comprises a main rod, an ox-tendon shovel and a brush head, buckles are fixed on two sides of the main rod, the buckles are made of elastic plastics, a bucket fixing rod is arranged at one end of the ox-tendon shovel, one end of the bucket fixing rod is provided with a slot, and the brush head is arranged in the slot. A groove is formed in the lower end of the bucket fixing rod and connected with the buckle, a brush head fixing rod is arranged between the brush head and the main rod, one end of the brush head fixing rod is cylindrical and connected with the main rod in a sleeved mode, and an opening is formed in the lower end of the brush head fixing rod and connected with the buckle. A fixing ring is arranged on the side, away from the main rod, of the brush head fixing rod, the brush head is connected with the fixing ring in a sleeving mode, and the outer side of the brush head is connected with a blanket sleeve in a sleeving mode. The utility model has the advantages that the brush head can be flexibly replaced according to use seasons and specific scenes, the cleaning use in four seasons is facilitated, and the cleaning and snow removing effects are improved.

The utility model relates to the technical field of shoe soles, and discloses a novel breathable deodorant shoe sole which comprises a shoe sole body, a shoe sole supporting face is fixedly installed at the top of the shoe sole body and made of elastic plastic materials, and heat dissipation holes are formed in the side face of the shoe sole body. Heat generated by the sole is dissipated through the heat dissipation holes in the sole body, the breathable and deodorant functions are achieved, when the sole body is treaded on the ground by the foot, the sole supporting face is stressed to be bent towards the sole supporting face, then the elastic piece is extruded, the elastic piece is elastically deformed, then the blocking rod is pulled to be disengaged from the heat dissipation holes, and the anti-odor function is achieved. After the foot is lifted up, the shoe sole supporting face recovers, external air enters the shoe sole body, at the moment, the elastic piece recovers, the blocking rod is pushed into the heat dissipation holes again, and small stones are prevented from entering the heat dissipation holes.

The present invention provides a flexible drill pipe plug, which belongs to the technical field of tail pipe cementing in oil and gas fields. The plug comprises a core body made of elastic plastic material, a top cover is provided above the core body, a shrinkage tube and a socket are provided in sequence below the core body, and a colloid is commonly sleeved on the outside of the core body, the top cover and the shrinkage tube, the interior of the core body is sequentially penetrated by a plurality of frustum-shaped internal cavities along the axial direction from bottom to top, the interior of the core body is sequentially provided with a plurality of expansion joints made of hard metal material along the axial direction, the number of the expansion joints is consistent with the number of the internal cavities, the expansion joints of each level are slidably arranged in the expansion joints of the next level, the height of the expansion joints of each level are equal, and the expansion joints of each level correspond to the corresponding internal cavities one by one, when the flexible drill pipe plug passes through a continuous oil pipe wound on a large roller, the core body elastically bends along the curved continuous oil pipe without permanent deformation.

The utility model discloses a sole, including the sole body of elastic plastic material, and sole body is the empty structure, and the inside of sole body has a plurality of elastic pressure pipes along the length direction distribution, and elastic pressure pipe is along the width direction fixed setting of sole body, and the both ends of elastic pressure pipe are connected with the corresponding end wall of sole body respectively, when the pressure is removed (namely when lifting the leg or jumping), and elastic pressure pipe will release energy reset, and the compressed air in the inner chamber of sole body will release reaction force, and drive the fast elastic reset of sole, provide the buffer and power for the movement of user, thereby the elastic force of material itself and the reaction force generated by compressed air are combined, the problem of the rebound response lag and rebound strength deficiency of conventional sole because of the complete rebound dependence of the physical characteristic of material is overcome, and the rebound speed and rebound strength of sole are improved to satisfy the increasingly vigorous movement demand of user.

The invention relates to a control arm (1) having a frame (10), at least one interface (2, 3) arranged on the frame (10), and a ball-and-socket joint (4) arranged on the frame (10). The ball-and-socket joint (4) comprises an insert (8) of an elastic plastic material, which is glued in or on a complementary socket of the frame (10). A ball portion (5a) of a ball-and-socket joint pin (5) is arranged rotatably in the insert (8). A plastic material coating (6) is arranged on the ball portion (5a), and a metal coating (7) is arranged on the plastic material coating (6) in such a way that it comes into contact with the inner surface of the insert (8). The invention also relates to a method for producing the control arm (1).

The circuit board connector comprises a socket and a plug, the lower end of a second insulating shell in the plug is embedded with an inner cavity of a jack of a first insulating shell in the socket, a straight plate is fixedly installed on one side of the second insulating shell in parallel through an elastic plastic sheet, and the plastic sheet is arranged at the middle end of the side wall of the straight plate. The inner side of the lower end of the straight plate is fixedly provided with a barb, and the side wall of the first insulating housing is provided with a clamping groove which is correspondingly embedded with the barb. According to the circuit board connector, fixed connection of the socket and the plug is facilitated through the clamping grooves correspondingly embedded in the socket and the plug and the barbs at the lower ends of the straight plates, the barbs hook the clamping grooves, the socket and the plug cannot be separated, accidental separation of the socket and the plug can be effectively avoided, and meanwhile, the plug is pulled out, so that the circuit board connector is convenient to use. When the plug is pulled out, the upper end of the straight plate is pressed to be close to the insulating shell II, so that the lower end of the straight plate can move leftwards, deflect and break away from the clamping groove by taking the elastic plastic sheet as a shaft, and the plug can be pulled out upwards and the socket can be separated.

The invention provides a flexible drill rod rubber plug, and belongs to the technical field of oil and gas field tail pipe well cementation, the flexible drill rod rubber plug comprises a core body made of an elastic plastic material, a top cover is arranged above the core body, a contraction cylinder and a socket are sequentially arranged below the core body, and the core body, the top cover and the contraction cylinder are jointly sleeved with a rubber body; a plurality of cone-frustum-shaped inner through cavities are sequentially formed in the core body in the axis direction from bottom to top in a penetrating mode, a plurality of telescopic joints made of hard metal materials are sequentially arranged in the core body in the axis direction, the number of the telescopic joints is consistent with the number of the inner through cavities, and each stage of telescopic joint is arranged in the next stage of telescopic joint in a sliding mode. The height of each stage of telescopic joint is equal, and each stage of telescopic joint is in one-to-one correspondence with the corresponding inner through cavity; when the flexible drill rod rubber plug passes through a coiled tubing wound on a large roller, the core body is elastically bent along the bent coiled tubing, and permanent deformation is avoided.

The invention discloses a wear-resistant antibacterial elastic plastic floor and a preparation method thereof, and relates to the technical field of polypropylene. The wear-resistant antibacterial elastic plastic floor is prepared from the following raw materials in parts by mass: 70 to 80 parts of polypropylene master batch, 15 to 35 parts of modified montmorillonite, 10 to 15 parts of elastomer flexibilizer, 3 to 5 parts of compatilizer, 0.1 to 1 part of antioxidant and 1 to 3 parts of lubricant, wherein the elastomer flexibilizer comprises a styrene elastomer and a propenyl elastomer in a mass ratio of 1: (3-4). According to the invention, the problems of poor compatibility and general toughening effect when the styrene elastomer and the allyl elastomer are used as elastomer toughening agents are solved, the use of the styrene elastomer with higher cost is reduced, and the synergistic improvement of excellent toughness, antibacterial property and aging resistance is realized under the condition of low elastomer addition amount.

The utility model discloses an escalator operation performance measuring instrument, and specifically relates to the escalator technology field, the escalator operation performance measuring instrument comprises a box body, the front side wall of the box body is fixedly connected with a plurality of first fixing plates, the tops of the first fixing plates are fixedly connected with a first limiting plate, two sides of the first limiting plate are provided with second limiting plates, and the second limiting plates are fixedly connected with the box body. And the outer side wall of one second limiting plate is fixedly connected with a lock rod, the outer side wall of the other second limiting plate is fixedly connected with a pull plug, a plurality of fixing rods are arranged in the second limiting plates in parallel, and a cover plate is arranged above the fixing rods. Through a series of reasonable arrangement of the lock ring, the lock groove, the lock rod and the like, the box body is firm and durable, and the situation that the box body and the box cover are generally clamped through elastic plastic, and the elastic plastic is prone to damage after long-time use, so that the box body cannot be sealed and is inconvenient to carry is avoided.

This invention provides a method for manufacturing recyclable building corner pieces and panels from recycled thermoplastic polymer composite materials. The method uses at least 70% recycled polystyrene (rPS) as the base material, and adds appropriate amounts of compatible modified elastic plastics, foaming agents, and functional additives to form a mixed material. The mixed material is then heated and stirred using a screw extruder to become a thermoplastic polymer composite copolymer mixture. Finally, the thermoplastic polymer composite copolymer mixture is gradually cooled and shaped to room temperature using a cooling mold to produce integrally molded and recyclable building corner pieces and panels.

The utility model relates to a novel endoscopy structure with enhanced safety, which comprises an adjusting wrench, a spring, a base plate, a mirror shell, a mirror arm and a mirror seat, the base plate is an elastic plastic base plate, the spring is a ring spring, the adjusting wrench is mounted on the base plate in a pivoting manner, one part of the adjusting wrench is mounted on the mirror shell in a clamping manner, and the other part of the adjusting wrench is mounted on the mirror arm in a clamping manner. The other part of the adjusting wrench is connected with the base plate in a pivoted mode, and the mirror arm and the mirror base are detachably fixed together. The mirror arm comprises a mirror arm body, a mirror arm clamping ball and a clamping ball protrusion, the clamping ball protrusion is arranged on the mirror arm clamping ball, the base plate comprises a base plate body, a base plate clamping groove, a base plate clamping claw and a base plate clamping hole, during installation, the clamping ball protrusion is aligned to the base plate clamping hole, the mirror arm clamping ball is clamped in the base plate clamping claw, the base plate clamping groove is a round base plate clamping groove, and the spring is located in the round base plate clamping groove. The base plate is simple in structure, convenient to mount and dismount and good in safety performance, and deformation of the base plate during thermal expansion and cold contraction can be reduced.

The utility model discloses a fixing structure of a magnetic antibacterial particle container, and relates to the technical field of pulsator washing machines. The washing machine impeller comprises a storage container and a washing machine impeller body, the storage container is detachably installed in the center of the washing machine impeller body, the storage container is made of elastic plastic materials, a magnetic attraction piece is detachably installed in the storage container, and an inner groove is formed in the center of the washing machine impeller body. The storage container is attracted to the center position of the washing machine impeller through attraction of the magnetic attraction piece and the magnet, a user can conveniently disassemble and replace the storage container, and due to the fact that the storage container is located at the center position of the washing machine impeller, friction between the storage container and clothes during washing is reduced, and washing efficiency is improved. The probability of accidental falling or damage in the washing process is reduced; and by arranging a limiting block and a positioning column, the magnetic attraction piece can be conveniently disassembled, so that the magnetic attraction piece is separated from the storage container, the bacteriostatic particles can be conveniently stored in the storage container, and the operation is convenient and rapid.

The utility model relates to optical fiber detection equipment technical field, especially optical fiber protection kit of inner pressure collection platform, the utility model discloses a bottom fixed interface, clamping groove, deposit mouth, detection flow channel, joint suite, linear flow channel, open mouth and protection cover, clamping groove is opened in bottom fixed interface top, deposit mouth is opened in the inner wall of clamping groove, and detection flow channel is penetrated in the bottom of bottom fixed interface, and joint suite is located in bottom fixed interface top, and the outer edge of joint suite is matched with the inner diameter of clamping groove, and linear flow channel is penetrated in the center axis of joint suite, and open mouth is opened in the bottom of linear flow channel, and the bottom of protection cover is placed in deposit mouth, and protection cover is the conical shape of upper narrow and lower wide, and protection cover is made of elastic plastic material, and joint suite is compressed and tight protection kit through open mouth, and the inner wall of sealed flow channel is close to the outer surface of optical fiber, forms pressure buffer area, when the container generates high pressure, and protection cover can carry out pressure buffering, and it is convenient for the data acquisition of optical fiber under various pressures.

The utility model provides an anti-collision device for a goods shelf, and relates to the technical field of storage goods shelves, the anti-collision device comprises the goods shelf, a supporting frame is arranged on the side face of the goods shelf, a tray is arranged on the goods shelf, elastic back blocking beams are arranged on the supporting frame, the elastic back blocking beams can buffer goods, and the number of the elastic back blocking beams and the number of the goods shelves are multiple. The elastic back stop beams and the goods shelves are arranged in a one-to-one correspondence mode. According to the utility model, the elastic plastic part back baffle cross rod is adopted, the metal connecting piece is connected with the upright post and is fixed with the metal connecting piece through a bolt, and the installation and replacement are simple and convenient. Due to the fact that the elastic back blocking beam is made of the plastic materials, a certain deformation elastic space is formed after collision and extrusion occur, the risk caused by damage after the elastic back blocking beam is collided is not high, the elastic back blocking beam can rebound to restore the original shape, the connecting positions of the stand columns cannot be damaged, installation and machining are easy and convenient, economic benefits are good, and the overall stability is improved.

The utility model discloses a back drill measuring device for CCD (Charge Coupled Device) processing, which comprises a workpiece contact block, the bottom of the workpiece contact block is provided with a guide chute, four sliding bins are arranged in the workpiece contact block, four special-shaped positioning rods are arranged on the inner sides of the sliding bins in a sliding manner, and the guide chute is arranged in the guide chute. The positions of the four special-shaped positioning rods are symmetrical, the bottom ends of the four special-shaped positioning rods are slidably inserted into the inner sides of the guide sliding grooves, reset elastic plastic rings are fixed between the four special-shaped positioning rods and the inner wall of the workpiece contact block, and the bottom ends of positioning pressing rings are slidably inserted into the workpiece contact block. And four extrusion guide plates are detachably mounted on the outer side of the bottom end of the positioning pressing ring. The device is accurately positioned through the four special-shaped positioning rods, then the internal depth of the back drilling hole is accurately measured through the infrared distance measuring sensor, it is guaranteed that a measuring pipeline cannot penetrate through a central hole of the back drilling hole in the measuring process of the back drilling hole, and the accuracy of a detection result is guaranteed.

The utility model discloses a protection device for preventing a chain body of a rotary trash remover from disengaging from a groove, which comprises a supporting structure, the supporting structure comprises a lifting structure, a supporting frame, a base and a mounting block, the chain body is arranged on one side of the base, a baffle is mounted on one side of a laser sensor, a spring is mounted at the top end of the baffle, and a connecting rod is mounted at the top end of the spring. The fixing block is movably connected to one side of the connecting block, the fixing block and the connecting block form a clamping structure, the fixing block on one side of the wire can be clamped into the connecting block, the wire is installed in the connecting block, the connecting rod can be made of an elastic plastic material, and the connecting rod and the baffle are connected through the spring. The elasticity of a spring can drive a buckle on one side of a connecting rod to be clamped into a fixing block, the fixing block is fixed, the situation that the fixing block falls off is prevented, and therefore the purpose that the protection device for preventing the chain body of the rotary trash remover from disengaging from the groove is convenient to connect a wire is achieved.

The utility model discloses a deburring device for synchronous pulley machining, which relates to the technical field of synchronous pulley machining and comprises a machining table, a workpiece clamping unit and a positioning and polishing unit. The machining table is of a square structure, a square groove is formed in the upper end of the machining table, and an inverted-L-shaped mounting frame is fixedly connected to the middle of the rear side of the upper end of the machining table. The workpiece clamping unit comprises a first hydraulic cylinder, a first mounting block, an elastic plastic plate, clamping teeth, a screw and a containing groove. And the positioning and polishing unit is mounted on the mounting frame. The polishing device is provided with the reliable workpiece clamping unit, and the elastic plastic plate is matched with the clamping teeth at the end of the elastic plastic plate, so that a belt wheel workpiece can be clamped and fixed, and meanwhile, rotation can be prevented when an inner hole of a belt wheel is polished; and a reliable positioning and polishing unit is arranged, a belt wheel workpiece can be positioned through a laser collimator, and it is ensured that a polishing head can accurately enter an inner hole of a belt wheel for polishing treatment.

A self-locking pump device based on an elastic plastic part, comprising a pump body extending into a bottle body, the pump body comprising a pump chamber provided with a self-locking cover, the pump body is connected to a locking cover, a pumping component is provided inside the pump chamber, the lower end of the pump chamber comprising a check valve; the upper end of the pumping component is connected to a button, an annular elastic plastic part is provided in the pump chamber; a locking mechanism is provided between the button and the self-locking cover, once the button rotates from a locking position to an unlocking position, the button can be pressed so that the liquid contained in the bottle body is injected from the outlet of the button. FIGURE FOR ABSTRACT: 2

The utility model relates to the technical field of wire arranging devices, and discloses a wire arranging device convenient for stable splicing, comprising a first wire arranging device body; a second wire arrangement device body; the splicing assembly is arranged between the first wire arrangement device body and the second wire arrangement device body, and the first wire arrangement device body and the second wire arrangement device body are connected through the splicing assembly. The splicing assembly comprises a connecting block, the right side surface of which is fixedly installed with the left side surface of the second wire arrangement device body, and the left side surface of which is in contact with the right side surface of the first wire arrangement device body. The bottom of the inner wall of the concave plate and the bottom face of the connecting block are arranged in a sliding mode, and the left side face of the concave plate and the right side face of the first wire arranging device body are fixedly installed. According to the wire arrangement device convenient for stable splicing, through the arrangement of the connecting rod, especially the end part of the connecting rod is made of an elastic plastic material, so that the clamping block can be smoothly clamped into the bayonet, and the purpose of rapid and stable splicing is achieved.

The application relates to the technical field of pavement base materials, and relates to a modified rubber-plastic asphalt pavement surface layer composite material and a preparation method thereof.The modified rubber-plastic asphalt pavement surface layer composite material comprises the following components: 30-60 parts of base asphalt, 50-90 parts of waste tire rubber powder, 12-24 parts of regenerated polyethylene, 8-15 parts of regenerated polypropylene, 5-12 parts of modified polyethylene terephthalate, 6-9 parts of a compatilizer, 10-18 parts of mineral powder filler, and 5-16 parts of an additive.The modified polyethylene terephthalate is prepared by being soaked in a dopamine solution for modification.Waste rubber, PE, PP and PET are used as modifiers together or separately, are mixed into petroleum asphalt, and are combined with aggregates to form high-performance asphalt mixture.This kind of material combines the elasticity of rubber, the strength of plastic and the adhesion of asphalt, and has obvious advantages in the fields of high-grade highways, urban roads, airport pavements and the like.

My idea is a flexible body brush, primarily for treating the back of the upper body, as well as for other body parts. This assumes that the person can reach all parts of the body with this cleaning tool using the provided hand straps. Otherwise, handles would be required, as with all the others. Figures 1 -4 are located in a matching flexible soft plastic material Figure -1- is a rectangular, elongated, wide, steep-edged piece with two different surface textures, each with two different color finishes. There is a variable size for different human body sizes, which can be manufactured in three different sizes. Therefore, no dimensions are given for these drawings. These parts can be manufactured and will not cost much money. There are already many plastic molding companies that can produce the ones listed here. Figure -2-, whose rectangular longitudinal surface consists of shaped knobs, which, as mentioned above, correspond to the three sizes. So that all three sizes look the same, even with the two different color treatments. for a large back and massage brush. This is characterized by an elongated, elastic plastic material that has the following optical features: 1. This has two round or oval handles that are firmly connected to a thin, extended handle and these are firmly connected to the wide, elongated surface. 2. The large-surface back and massage brush to be used is characterized by two very different surface shapes and surface shape. a) a surface has a knob shape. b) The opposite usable area has a brush shape. The overall shape and its material composition can be in three sizes, depending on the person's height and width.

The utility model discloses a kind of line bundlers, including the first shell and second shell made of elastic plastic, the upper and lower ends of first shell and second shell are all provided with arc mouth, opposite arc mouth can form circular hole;The side of first shell is provided with integrally-formed insertion post;The side of second shell is provided with integrally-formed sleeve;When first shell and second shell are connected, insertion post can be inserted in sleeve;First elastic plastic wire fixing block is installed in first shell, and second elastic plastic wire fixing block is installed in second shell.Utilize the first elastic plastic wire fixing block and second elastic plastic wire fixing block with elasticity, with good elasticity, can be suitable for multiple line diameter difference not much cable, and the versatility is stronger;First elastic plastic wire fixing block and second elastic plastic wire fixing block are easily assembled and replaced;Through the cooperation of push button, wedge and ball, first shell and second shell are conveniently quickly disassembled, and convenient to use.

The invention relates to a step switch unit (2) for sequentially switching currents, comprising at least two switching contacts (3) and a switching unit (4) with actuators (5) which are arranged on the switching unit (4) above the switching contacts (3) at different distances from them, wherein the switching contacts (3) and the switching unit (4) are arranged relative to each other such that when pressure is applied to the switching unit (4) in the direction of the switching contacts (3), the actuators (5) are pressed onto it and different actuators (5) touch the switching contacts (3) at different pressure forces. wherein the switching unit (4) extends at least partially over the switching contacts (3) and has a planar reset area (R) made of an elastic plastic material which exerts a force on the actuators (5) directed away from the switching contacts (3). Furthermore, the invention comprises an operating device (1) and a medical device.