51results about How to "Reduce local pressure" patented technology

The invention discloses on-bed rehabilitation equipment, and relates to the field of medical rehabilitation equipment. The rehabilitation equipment on the bed comprises a movable base and further comprises an installation box connected to the movable base, a rotating shaft is rotationally connected into the installation box, a flywheel is fixedly connected to the rotating shaft, and rotating rods are fixedly connected to the two ends of the rotating shaft; the pedal is rotationally connected to the rotating rod; the leg support is connected to the pedal; the leg of a patient is doubly fixed through the elastic bandage and the first air bag, the stability of the leg position of the patient in the wheel stepping training process is guaranteed, training injuries possibly caused by leg shaking are reduced, and the safety of rehabilitation training is improved; each cavity is provided with an independent air inlet pipe, and therefore the first air bag can disperse pressure needed for fixing the legs into all the cavities, local compression on the legs is reduced, and the comfort level is improved.

The utility model relates to the technical field of sealing rings, and discloses a shock-absorbing cutter which comprises a shock-absorbing cutter body and a sealing ring body, the shock-absorbing cutter body is arranged to be a U-shaped block, a plurality of connecting columns are installed on the side portion of the shock-absorbing cutter body and connected to the two sides of the shock-absorbing cutter body respectively, and the sealing ring body is arranged on the shock-absorbing cutter body. The sealing ring body is detachably mounted on the outer side of the connecting column, through arrangement of the clamping assembly and the clamping groove, when the sealing ring body is mounted, the sealing ring is arranged on the outer side of the connecting column in a sleeving mode, the clamping assembly is pressed into the clamping groove, and the mounting column, the supporting column and the clamping tip are connected into the clamping groove, the supporting groove and the tip groove correspondingly; when the sealing ring body is stressed, the supporting column and the supporting groove are clamped, the problem that the sealing ring body and the connecting column are staggered or disengaged is avoided, and during disassembly, the sealing ring body is screwed, so that the clamping assembly and the clamping groove are unlocked.

The utility model relates to the technical field of vacuum equipment, in particular to a novel vacuum equipment locking device. The technical problems that according to an existing locking device, a sealing plate and a vacuum box are tightly attached and sealed in a mechanical locking mode, due to the fact that materials can expand or contract when the temperature changes, a tiny gap exists between a door plate and the vacuum box, the vacuum degree in the vacuum box is reduced due to leakage of internal air, and the overall sealing performance is reduced are solved. And the safety risk is caused by the unstable internal pressure of the vacuum box, and the use risk of the equipment is increased. According to the technical scheme, the novel vacuum equipment locking device comprises a vacuum box, a locking assembly, a sealing assembly, a supporting assembly and an air exhaust assembly; the air cylinder is connected with the hydraulic rod, after the door plate and the vacuum box are attached, the door plate is pulled backwards, secondary tight attachment is carried out, automatic control is achieved, the gap between the door plate and the vacuum box is further reduced, and gas leakage is prevented.

This utility model discloses a filtration device for zirconia slurry, including a filtration assembly comprising three filter chambers, a fine filter screen, and a coarse filter screen, with the fine and coarse filter screens fixed between two filter chambers respectively. A flow-diverting assembly includes a spiral guide plate, a sealing strip, a material passage hole, a side plate, and a baffle. The spiral guide plate is fixed inside the uppermost filter chamber, the sealing strip is fixed to the outer ring of the spiral guide plate and conforms to the inner wall of the filter chamber, the material passage hole is opened on the spiral guide plate, the side plate is fixed to the inner ring of the spiral guide plate, and the baffle is fixed at the uppermost end of the spiral guide plate. This utility model solves the problem that when zirconia slurry is poured from one side of the uppermost filter chamber, excessive local pressure on the filter screen can occur during production, causing the filter screen to deform and affecting filtration quality. Additionally, air bubbles in the slurry can adhere to the filter screen, affecting filtration efficiency.

The utility model relates to the technical field of operation machinery, and discloses a mud guard and a wheel type operation machine. The fender comprises a fender body and an installation structure, the fender body is arranged to be in an arc shape matched with the outer contour of a wheel, the installation structure comprises an installation support and at least one connecting rod, the installation support is suitable for being installed on an axle, one end of the connecting rod is connected with the installation support, and the other end of the connecting rod is connected with the fender body. The fender body is suitable for being supported and arranged above the wheel in a covering mode. The fender body is arranged to be in the arc shape matched with the outer contour of the wheel, the fender body wraps the wheel along the outer contour of the wheel, the effect that the fender body wraps the wheel is good, and the mud blocking effect of the fender body can be improved. Meanwhile, the mounting bracket is mounted on the axle, so that the mudguard body can flexibly move along with the steering of the wheels, and the mudguard effect of the mudguard body on the steering of the wheels can be effectively improved.

The invention discloses a thermoplastic panel injection mold with high stability, comprising a feed pipe, a top plate fixedly connected to the bottom end of the feed pipe, a thermal expansion device fixedly connected to the inner surface of the top plate, and a sealing box arranged at the bottom of the thermal expansion device. The invention relates to the field of mold technology. The sealing box is arranged in the invention. When the equipment is in use, the bottom plate is kept fixed, the sealing box is fixed on the upper surface of the bottom plate, the top plate is covered, a locking device is rotated, the locking device forces the top plate and the bottom plate to be close to each other to eliminate the gap, and a buffer device is installed. The buffer device can buffer the impact of the sealing box when the top plate is installed. During this process, the male mold and the female mold are close to each other, and the hot melt plastic is injected into the gap between the male mold and the female mold through the feed pipe. The suction device continuously sucks to extract the air inside the mold to facilitate the flow of thermoplastic. After the mold is cooled, the locking device and the buffer device are released to complete the mold opening, thereby solving the problem of poor stability of traditional thermoplastic molds.

The utility model discloses a touch screen with a protective structure, which comprises a casing and protective blocks respectively arranged at four corners of the casing, the thickness of the protective blocks is larger than that of the casing, an accommodating groove is arranged in each protective block, the four corners of the casing are respectively arranged in the corresponding accommodating grooves, and the protective blocks are arranged in the accommodating grooves. One side of each protection block is connected with a fixing plate through an extending assembly, the fixing plates are arranged on the back face of the shell, and gaps exist between the fixing plates and the back face of the shell. According to the technical scheme, the risk that the touch screen is broken when falling from the high altitude can be reduced.

The invention is suitable for the technical field of medical instruments, and provides a trephine tool bit type servo electric hair transplanting pen which comprises an electric hair transplanting pen body, an auxiliary hair transplanting mechanism is arranged on the outer side of the electric hair transplanting pen body, and a power supply mechanism is arranged at the top of the electric hair transplanting pen body; according to the electric hair transplanting pen, the auxiliary hair transplanting mechanism is arranged on the outer side of the electric hair transplanting pen body, so that the hair transplanting process depends on hand control of an operator, and the hair transplanting operation can be stably guided by means of an auxiliary supporting structure formed by the fixing rod, the connecting rod and the telescopic arm; the auxiliary hair transplanting mechanism is reliably locked in different position states, so that the influence of hand shaking on the operation precision is effectively reduced in the hair transplanting process, the stability of the hair transplanting posture can be kept especially in long-time continuous hair transplanting or high-density hair transplanting operation, the hair transplanting consistency and survival rate can be improved, and the overall hair transplanting effect is improved.

This utility model discloses a plate heat exchanger with a reinforcement device, comprising: a heat exchange core formed by stacking multiple heat exchange plates sequentially, a reinforcement device disposed on the outside of the heat exchange core, the reinforcement device comprising oppositely arranged reinforcement components, each set of reinforcement components comprising a transverse reinforcement member and a longitudinal reinforcement member, the transverse reinforcement member being disposed along the width direction of the heat exchange core and abutting against the edge of the heat exchange plate, the longitudinal reinforcement member being disposed along the height direction of the heat exchange core and having both ends connected to the transverse reinforcement member, the transverse reinforcement member and the longitudinal reinforcement member forming a reinforcement frame to apply radial constraint force to the heat exchange core. By the transverse reinforcement member and the longitudinal reinforcement member of the reinforcement device enclosing and forming a reinforcement frame, the radial constraint force applied to the heat exchange core can effectively resist the impact of fluid pressure fluctuations on the heat exchange core, reduce the overall shaking or dispersion of the core formed by stacking multiple heat exchange plates due to uneven force, and significantly improve the overall structural stability of the heat exchange core.

The utility model relates to the technical field of vegetable and fruit packaging, and particularly discloses a high-toughness puncture-proof fresh-keeping film bag for vegetables and fruits, which comprises a puncture-proof outer layer, the puncture-proof outer layer, a protective middle layer and a buffer inner layer are sequentially sleeved from outside to inside to form a film bag main body, and the puncture-proof outer layer, the protective middle layer and the buffer inner layer are closed and formed by hot pressing to form the fresh-keeping film bag main body for vegetables and fruits. According to the high-toughness puncture-proof fresh-keeping film bag for the vegetables and the fruits, the hemispherical buffer balls arranged on the surface of the buffer inner layer at equal intervals are integrally formed with the hydrophilic polymer inner base layer, and the hemispherical buffer balls and the second breathable micropores are distributed in a staggered mode, so that the vegetables and the fruits can be prevented from being in direct and tight contact with the film bag; the semispherical buffer balls effectively buffer external force through deformation, the concentrated pressure of sharp parts of vegetables and fruits on the film bag is dispersed into dispersion force in multiple directions, the local pressure intensity is reduced, the film bag is further protected from being punctured, and meanwhile damage to the vegetables and the fruits caused by extrusion is reduced.

The utility model discloses a kind of bottle body clamping devices of filling screw cap equipment, belong to the technical field related to filling screw cap equipment, including driving clamp arm and driven clamp arm, the front end of driving clamp arm and driven clamp arm is provided with the special-shaped groove for clamping bottle body, the end of driving clamp arm and driven clamp arm is provided with intermeshing gear shape;Clamping tension spring is arranged between the lower end of driving clamp arm and driven clamp arm;The lower end of driving clamp arm is provided with impact bearing.The utility model cooperates through driving clamp arm and driven clamp arm, effectively clamps bottle body, prevents self-rotation or movement in bottle body during filling and screw cap process, to ensure the accuracy and stability of filling and screw cap.The special-shaped groove design of clamp arm front end makes clamping more stable, and the gear shape engagement of clamp arm end enhances the reliability of clamping.In addition, the use of clamping tension spring ensures that clamp arm can return to initial position quickly after release, improves the working efficiency of equipment.

The utility model belongs to the technical field of ship protection equipment, and particularly relates to a corrosion-resistant rubber fender which comprises a mounting plate, and a mounting assembly is arranged on the periphery of the mounting plate. The installation assembly comprises installation grooves, the multiple installation grooves are evenly formed in the periphery of the installation plate, bolts are connected to the periphery of the installation plate in a threaded mode, the installation plate is sleeved with gaskets in an abutting mode, the bolts are sleeved with the gaskets, and the installation grooves are in a U shape. Due to the fact that the peripheries of the protective pad, the fender body and the bolts are all coated with the anti-corrosion coatings, corrosion of external corrosive media can be effectively resisted. And the corrosion-resistant buffer layer in the protection plate is made of a special corrosion-resistant material, so that the overall corrosion resistance of the fender is further enhanced, the service life of the rubber fender in a severe corrosion environment is greatly prolonged, the high cost caused by frequent replacement of the fender due to corrosion is reduced, and long-term safety protection of ship berthing is ensured.

The utility model relates to the technical field of hoisting structures, in particular to a self-adaptive stable steel beam hoisting structure which comprises a steel beam and a stand column. Suspension mechanisms are arranged on the steel beam and the stand columns, and an adjusting mechanism is arranged in the middle of the steel beam; the two suspension mechanisms each comprise a fixing block, the fixing blocks are of an annular structure, the two ends of the outer side of the steel beam and the top ends of the stand columns are sleeved with the two fixing blocks correspondingly, and first lifting lugs are fixedly connected to the outer sides of the fixing blocks. And through the arranged externally-mounted lifting lug structures, the fixing blocks can be matched with the structures of the two ends of the steel beam or the top ends of the stand columns, the fixing blocks and the steel beam can be mutually independent while the fixing blocks are positioned, and the fixing blocks can be conveniently cut and removed after the steel beam is hoisted. The position of the adjusting block on the steel beam can be adjusted through the arranged auxiliary suspension point of the adjusting type structure, so that the position of the gravity center can be freely adjusted, the stress uniformity of the steel cable is improved, and damage to the steel cable caused by uneven stress is avoided.

The invention discloses a rope-driven reducing type multi-finger grabbing mechanism. The rope-driven reducing type multi-finger grabbing mechanism comprises a reducing mechanism, a grabbing unit and a servo control system, a connecting piece is arranged between the reducing mechanism and the grabbing unit; included angles are formed between the grabbing units; the reducing mechanism comprises a cross-shaped crank, a transmission connecting rod and a cross-shaped fixing frame; a sliding rail and a first servo motor are fixed to the cross-shaped fixing frame. A sliding block is arranged on the sliding rail; the grabbing unit comprises a servo motor, a servo motor fixing piece and a multi-joint grabbing actuator. A winch is mounted on an output shaft of the servo motor, and a flexible rope is wound on the winch; the multi-joint grabbing actuator comprises spherical hinge knuckles which are arranged in the length direction of the multi-joint grabbing actuator and provided with through holes, and flexible fingertips located at the tail end of the multi-joint grabbing actuator. A flexible fixing ring is arranged between every two adjacent knuckles; one end of the flexible rope penetrates through the through hole of the spherical hinge-shaped knuckle to be connected with the flexible fingertip. The robot grabbing mechanism is suitable for grabbing irregular objects, and the problem that the grabbing range of an existing robot grabbing mechanism is difficult to flexibly adjust is solved.

The utility model discloses an automobile technical field, especially disclose a kind of head-up display and traffic tool, including shell, is equipped with containing cavity;Mounting assembly, in containing cavity, mounting assembly is provided with first installation groove and second installation groove;Lens assembly, lens assembly includes lens module, first rotation axis and second rotation axis, first rotation axis is equipped in lens module one side, second rotation axis is equipped in the other side of lens module, first rotation axis and second rotation axis are all rotationally connected in mounting assembly, first rotation axis is equipped with arc protrusion in one end of lens module, arc protrusion is at least partially installed in first installation groove, second rotation axis is at least partially installed in second installation groove, and arc protrusion and first installation groove between surface contact, second rotation axis and second installation groove between surface contact;Fixed component, on mounting assembly. By the above-mentioned mode, the utility model embodiment can reduce the abrasion between rotation axis and installation groove.

This utility model discloses an electronic fastener with conductive function. The conductive fastener consists of a screw, a plug, and a handle. A limiting plate is provided between the screw and the plug, and the limiting plate is integrally formed with the plug and the screw. A slot is provided in the middle of the handle, and the plug is inserted into the slot. A groove is provided on the upper side of the handle, and a threaded hole is provided at the upper end of the plug. The fixing bolt is rotatably installed in the threaded hole. The handle of this utility model is used to increase the uniformity of the screw tip, facilitate the installation and fixing of the screw, and at the same time, it can protect the upper part of the screw through the handle.

This invention relates to a modular, anti-siltation bottom aquaculture device. The device includes an aquaculture module and an anti-siltation module. The aquaculture module has a cubic frame structure, within which several shellfish aquaculture cages or ropes are installed. The anti-siltation module includes several flip-up plates spaced apart on the lower plane of the cubic frame structure of the aquaculture module. This invention can be customized to suit the seabed characteristics of different sea areas, and each device is an independent aquaculture space, facilitating processing, transportation, assembly, and deployment. It is highly practical and effectively reduces labor and transportation costs. The anti-siltation module has a simple structure and can freely switch between deployment and harvesting states, effectively solving the siltation problem in bottom aquaculture. To increase service life, an anti-corrosion module can be added, fixing sacrificial anodes to the aquaculture module. This invention significantly reduces aquaculture costs and enables large-scale, green, and ecological shellfish aquaculture in bottom sea areas, demonstrating strong applicability and economic viability.

The utility model aims to solve the problem that the existing radiotherapy trousers can expose the feet of a patient, so that medical staff after hand washing and disinfection are polluted. The utility model provides a pair of special patient trousers for close-range radiotherapy of gynecological tumors, which comprises a trousers body, the device further comprises a shielding structure. The pants body is in an open crotch shape, and an opening is formed in the crotch of the pants body; the shielding structure is used for shielding a crotch opening of the pants body; the shielding structures are located on the front side and the rear side of the pants body or arranged around the pants body by a circle. Trouser leg parts in the trouser body are set to be in a closed legged trouser shape; the soles of a wearer are wrapped in the trouser legs, so that the soles are prevented from being exposed.

The utility model relates to the technical field of hygienic products, and provides a double-layer air cushion non-rubber-core sanitary towel which comprises a protection pad, the outer surface of the protection pad is integrally covered with a full-sealing wrapping film, a first protection wing is arranged on the rear side of the protection pad, a second protection wing is arranged on the front side of the protection pad, and the first protection wing and the second protection wing are correspondingly arranged. A first adhesive tape is arranged at the bottom end of the first protection wing, a second adhesive tape is arranged at the bottom end of the second protection wing, and a breathable bottom film is arranged at the bottom end of the protection pad. According to the anti-slip sanitary towel, the anti-slip effect of the sanitary towel is achieved through cooperation of the first protective wing, the second protective wing, the first adhesive tape, the second adhesive tape, the third adhesive tape and the anti-slip protruding points, friction between the sanitary towel and underpants can be increased, the stability of the sanitary towel is improved, the sanitary towel can be prevented from sliding or shifting in the moving process, and the anti-slip effect of the sanitary towel is achieved. According to the sanitary napkin, the overall attaching degree is improved, the risk of side leakage is reduced, and meanwhile through the anti-skid design, it can be guaranteed that the sanitary napkin can always keep the relatively stable position in the movement process.

The utility model belongs to the technical field of buildings, and particularly relates to an old wall embracing device for concrete joint between buildings, the old wall embracing device comprises a concrete base, formworks and a fixing mechanism, the formworks are arranged on the two opposite sides of the concrete base, and a plurality of preformed holes are formed in the formworks; the fixing mechanism comprises a plurality of main keels and fastening assemblies, protection planes are arranged on the sides, close to the formworks, of the main keels, the protection planes abut against the outer sides of the formworks, the fastening assemblies penetrate through the reserved holes to press the main keels, and the main keels clamp and fix the two formworks. The main keels are provided with the protection planes, the contact area between the main keels is increased, the local pressure is reduced, formwork deformation or damage caused by too large local stress is avoided, and extra maintenance cost possibly caused by formwork deformation and potential safety hazards in the concrete pouring period are reduced. Meanwhile, the problem that the stability and the reliability of the whole template system are affected due to the fact that the circular structure is prone to position deviation in the operation process is solved.

The invention provides a suspension bridge type vamp which comprises a vamp body, a plurality of first suspension cables are arranged on the vamp body, the first suspension cables are elastic suspension cables, the two ends of each first suspension cable are fixed to the vamp body, and the first suspension cables extend from the front end of the vamp body to the rear end of the vamp body or extend from the middle of the vamp body to the outer edge of the vamp body. The vamp provided by the invention has the following advantages: 1, the vamp has accurate stress adjusting capability; 2, the flexibility and adaptability are high; 3, the force dispersion effect and the durability of the vamp are excellent; and 4, the wearing experience and functionality are comprehensively improved.

The invention belongs to the field of medical auxiliary devices, and discloses an old people comprehensive condition monitoring device which comprises a front support, a rear support, a cushion and a supporting plate. A supporting plate is arranged between the front support and the rear support in a sliding mode, the front support, the rear support and the supporting plate jointly form a wearing structure surrounding the waist of the human body, and supporting legs are rotationally connected to the lower portion of the front support and the lower portion of the rear support respectively. Hydraulic sliding grooves are formed in the ends, close to the supporting plate, of the front support and the rear support. Hydraulic cavities are formed in the supporting legs; each supporting leg comprises a supporting rod which is in sliding connection with the hydraulic cavity; meanwhile, the sliding displacement of the supporting plate changes the force arm relation of a lever structure formed by the front support, the rear support and the stand column when the stand column makes contact with the ground, the device works in the state that a power arm is larger than a resisting arm, and a labor-saving lever structure is formed. And when the user falls down and sits on the ground, the force required for getting up is reduced, so that the getting-up action is easier and safer.

The utility model belongs to the technical field of medical apparatus and instruments, concretely relates to a degradable medicine slow-release olfactory fissure stent, which comprises a stent main body, the stent main body is arched, is consistent with the dissection shape of the olfactory fissure area, a stent outer layer is arranged on the outer side of the stent main body, and a stent inner layer is arranged on the inner side of the stent main body; a first micropore is arranged on the stent outer layer, a second micropore is arranged on the stent inner layer, and the pore size of the first micropore is greater than that of the second micropore. The slow-release olfactory fissure stent of the technical scheme imitates the natural arc-shaped dissection structure, can realize 360 degree circumferential adhesion, reduces the local compression to the mucosa, the central open channel design accords with the physiological standard of nasal resistance, and avoids the complication of nasal congestion.

The invention discloses a novel monitoring bed, and belongs to the technical field of medical instruments, the novel monitoring bed comprises a bed board frame, a turning mechanism is arranged above the bed board frame, a mattress is arranged above the turning mechanism, a defecation opening is formed in the mattress, a plugging mechanism is arranged below the defecation opening, and a bedpan lifting mechanism is arranged below the plugging mechanism; a headboard and a footboard are arranged on the front side and the rear side of the bed board frame respectively, liftable protective fences are arranged on the left side and the right side of the bed board frame, a bottom frame is arranged below the bed board frame, universal wheels are arranged on the bottom frame, and a height adjusting mechanism is arranged between the bed board frame and the bottom frame. The turning-over mechanism, the pressure sore prevention mattress system, the plugging mechanism, the bedpan lifting mechanism, the liftable protective guard, the height adjusting mechanism and the like are organically integrated in the unified bed body frame, and all the mechanisms can work independently or in a linkage mode. And an integrated nursing solution of covering body position change, pressure sore prevention, excretion treatment, safety guarantee and height adjustment is formed.

The embodiment of the utility model provides an atomization bomb preventing oil leakage of an atomization assembly, which comprises a transparent shell, an oil bin arranged in the shell and the atomization assembly arranged in the oil bin, the atomization assembly comprises a separator, the separator is provided with more than two first oil holes, and the oil bin is arranged in the shell. The atomization core is composed of a heating part, an oil guide medium arranged outside the heating part in a sleeving mode and an oleophobic cover arranged on the oil guide medium in a sleeving mode; more than two atomizing cores are arranged in the separator; the oleophobic cover is provided with a corresponding oil inlet hole towards the direction of the first oil hole; the heating part is arranged in the oil guide medium in an attached mode in the direction of the oil inlet hole. The oil cotton piece is arranged between the isolation piece and the atomizing core, and an oil inlet interval is reserved between the isolation piece and the atomizing core.

The utility model relates to a container aluminum profile machining device, include: bed body, frock table, first air cylinder, pressing plate, gantry, electric spindle, compression piece and tool bit, the plane is formed with above bed body, multiple frock tables horizontal arrangement and be located above the plane of bed body, frock table is fixed with bed body and can dismantle and connect, first air cylinder is located frock table horizontal side and is fixedly connected with bed body, the piston rod of first air cylinder is fixedly connected with pressing plate, pressing plate below is fixedly connected with compression piece, two compression pieces are located above frock table longitudinal both ends respectively, gantry is connected with bed body and slides and moves relative to bed body longitudinally, electric spindle is connected with gantry, and electric spindle drives tool bit rotation. The utility model's frock table longitudinal length is greater than aluminum profile, can process a complete lateral surface after once clamping, and the number of clamping and processing is less, improves the processing accuracy, reduces the work load, improves work efficiency.

The application relates to a barrel plating device technical field, in particular to a barrel plating roller device, which comprises a prism barrel, a bearing assembly, a driving assembly and a plurality of arc-shaped plates, the bearing assembly comprises two symmetrically arranged side plates, the prism barrel is rotationally connected between the two side plates, a plurality of the arc-shaped plates are arranged at the included angle between two adjacent planes in the prism barrel, and the included angle is replaced by a continuous arc surface structure, so that the hard collision between the workpiece and the prism barrel corner is reduced, the impact force is uniformly diffused, the local pressure is reduced, the buffering and protection effects are achieved, and the application has the characteristics of improving the electroplating quality.

The application relates to the technical field of office desks, in particular to an adjustable intelligent office desk which comprises a desktop and a desk leg arranged at the bottom of the desktop; further comprising a supporting assembly arranged on the desktop and used for supporting wrists, wherein the supporting assembly comprises a plurality of top plates arranged on the desktop, the top surfaces of the plurality of top plates are flush with the surface of the desktop, the bottom of each top plate is provided with an air bag used for supporting the top plate, the air bag can drive the top plate to move up and down when the desktop is used, the plurality of top plates form a concave surface used for placing wrists on the surface of the desktop when the desktop is used, and the outside of the air bag is further sleeved with a first spring used for supporting the top plate, so that the device can automatically adjust the top plate to be soft or hard according to the use time of an operator, the use effect of the device is further improved, and the situation that the wrists are uncomfortable when used is avoided.

This invention discloses a nose pad for eyeglasses and eyeglasses, relating to the field of eyeglasses technology. The nose pad comprises a flexible body, which includes two separately arranged flexible shells along its thickness direction. The two flexible shells are an inner contact shell and an outer support shell, respectively. The inner contact shell and the outer support shell are connected and enclosed to form a cavity, which is filled with a cushioning material. The side of the inner contact shell facing away from the outer support shell is used for contact with the wearer's skin. The technical solution of this invention uses two separately arranged flexible shells combined to form a flexible body, with a cavity formed between the two shells and filled with a cushioning material. This allows the flexible body to effectively distribute the pressure of the nose pad on the bridge of the nose, reducing local pressure and the hardness of the nose pad. This avoids the pain and discomfort caused by excessive hardness in traditional nose pads, improving comfort during long-term wear. Simultaneously, the nose pad can deform appropriately during wear, automatically conforming to different nose shapes and adapting to different individual needs.

The utility model relates to the field of plastic surgery medical technology, in particular to a disposable medical earhole puncture trocar which comprises a main needle handle and an auxiliary needle handle, a cannula is connected to the main needle handle, a needle core movably arranged in the main needle handle and the cannula in a penetrating mode is connected to the auxiliary needle handle, the puncture end of the cannula and the puncture end of the needle core are both arranged to be inclined faces, and the cannula is connected with the needle core. The sleeve is sleeved with two plugging devices used for clamping earlobes, one plugging device is fixedly connected with the sleeve, and the other plugging device is movably connected with the sleeve. The trocar is a disposable device, compared with a traditional metal ear stud, adverse reaction or anaphylactic reaction of a wound can be reduced, the two plugging devices are matched with each other, displacement and falling of the trocar are effectively avoided, the risk of secondary resetting of the trocar is reduced, pain of a punctured person during displacement of the trocar and secondary resetting can be relieved, and the trocar is convenient to use. A medical worker holds the trocar with a hand, point-to-point operation can be carried out under direct vision, and the operation precision is high.