36results about How to "Reduce local pressure" patented technology

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 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 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 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.

This invention relates to the field of medical device technology, specifically to a retractor for abdominal surgery. The retractor for abdominal surgery includes a support, a transmission mechanism, and an expansion mechanism. The support includes two support rods, and each expansion mechanism has multiple connecting posts. A sleeve is disposed on the outer side of each connecting post. By moving the two support rods away from each other, the incision is gradually opened. The skin at the incision site contacts and slides against the sleeve, converting the sliding friction between the skin and the sleeve into rolling friction, thus reducing frictional resistance. During the gradual opening of the incision, the transmission mechanism changes the expansion mechanism from a first state to a second state, increasing the contact area between the expansion mechanism and the incision skin, reducing local pressure, and precisely addressing the core requirement of tissue protection in the biomedical engineering industry. This invention provides a retractor for abdominal surgery to solve the problem that existing retractors cause additional damage to the tissue at the incision site during the opening process.

The utility model discloses a kind of shock-absorbing springs for clutch, including spring body, the spring body top and bottom are separately provided with contact platform, the contact platform surface is evenly distributed and is provided with multiple positioning holes, the spring body inside is hollow structure, the positioning hole is communicated with spring body inside, the contact platform surface is located on the both sides of positioning hole and is fixedly connected with limit plate. Combined with the above structure design, it is simple in structure for clutch shock-absorbing spring, reasonable in design, through multiple structure improvement, effectively solve the deficiency of prior art, with good practicality and popularization value.

The utility model provides a kind of high-voltage light-emitting diode chip, by setting up polymer filling layer on the isolation groove, utilize polymer solidification and have the mechanical strength, chemical stability and adhesion required, form a solid, continuous "cushion layer" above the isolation groove, cover and protect the fragile insulating layer isolation groove structure (i.e. ISO channel) below, when the thimble acts in this area, force is first acted on solidified polymer filling layer, solidified polymer usually has certain elasticity or plastic deformation ability, can absorb and disperse the local impact force and stress of thimble exertion, avoid stress excessive concentration in the ISO channel edge below, and enhance the overall mechanical strength of this area, make it can withstand greater external force without rupture, to effectively improve the reliability of chip.Secondly, after filling polymer and solidification, the height difference of wafer surface is significantly reduced, originally uneven surface (with metal line protrusion and ISO channel depression) becomes relatively flat;Flat surface makes subsequent thimble and wafer contact more uniform.Thimble is no longer easy to be stuck in channel edge or only act on narrow channel, but contact flat colloid surface in greater area, more uniform way, thereby greatly reduce local pressure, reduce the risk of stress concentration and damage.

This utility model discloses a novel cable trench rolling support device, relating to the field of cable support technology. It includes a support assembly composed of a wall-connected bracket, horizontal bars, a base frame, vertical bars, and a reinforcing frame. An outer protective wheel is sleeved on the outer side of the vertical bar in the middle area between two horizontal bars, and a rolling wheel is sleeved on the outer side of the horizontal bar in the middle area between two vertical bars. Auxiliary support components are also provided at both ends of the vertical bars on the outer side of the horizontal bars. These auxiliary support components cooperate with the rolling wheels to provide support for the cable, thereby reducing the squeezing force exerted by the rolling wheels on the cable. By setting up auxiliary support components with auxiliary rollers distributed parallel to the rolling wheels, this utility model can effectively distribute the weight of the cable, thereby reducing the local pressure at the contact points between the cable and the rolling wheels / auxiliary rollers, eliminating the hidden danger of excessive local pressure under static conditions in a single rolling wheel support structure.

The application belongs to the technical field of retaining walls, and particularly relates to a reinforced gravity type retaining wall anti-seismic structure, which comprises a first hinged plate, the first hinged plate is movably connected with a second hinged plate through shaft connecting ends at the tail, the same shaft connecting end is arranged on one side surface of the second hinged plate, the first hinged plate and the second hinged plate are connected in a head-to-tail mode, a bottom isolation panel is fixedly installed on the surface of the first hinged plate and the second hinged plate through bolts, and a through groove is arranged on the surface of the bottom isolation panel; through the multi-stage energy buffering mechanism of the arc-shaped elastic plate, the damping shock-absorbing spring, the inner cylinder assembly and the rubber bottom ring, layered absorption and dissipation of seismic energy are realized, the impact of vibration on the structure is weakened, compared with the traditional structure, the load transmission efficiency under the action of the earthquake can be effectively reduced, the structural stress concentration can be reduced, the anti-sliding and anti-overturning capacity of the retaining wall in the medium and high intensity earthquake can be improved, and the safety of the structure core is ensured.

The utility model discloses a battery separates conveying device, including the casing, the casing is by first vertical board, second vertical board, third vertical board, fourth vertical board and bottom plate constitutes, second vertical board end fixed with fifth vertical board, the fifth vertical board and fourth vertical board form battery access channel between, the first vertical board and third vertical board between are set up with battery removal channel, the bottom plate top is fixed with the limit stop, the limit stop both sides respectively with first vertical board and second vertical board between form the separate passage, battery access channel bottom is provided with first caterpillar conveyor, battery removal channel bottom is provided with second caterpillar conveyor, still include pushing device. Compared with the prior art, the utility model discloses a limit stop and the first vertical board and the second vertical board form the separate passage, and the cooperation of pushing device, first caterpillar conveyor and second caterpillar conveyor, can divide and convey battery according to the set interval, guarantees the regularity and consistency of battery conveying.

The invention relates to the technical field of medical instruments, in particular to a retractor for an abdominal surgery. A retractor for an abdominal surgery comprises a support, a transmission mechanism and an expansion mechanism. The support comprises two supporting rods, and each expansion mechanism is provided with a plurality of connecting columns. And a sleeve is arranged on the outer side of each connecting column. The two supporting rods are moved to be away from each other, the incision is gradually opened, the skin at the incision makes contact with the sleeve and slides relative to the sleeve, sliding friction between the skin and the sleeve is partially converted into rolling friction, and friction resistance is reduced. In the process that the incision is gradually opened, the transmission mechanism enables the expansion mechanism to be converted into the second state from the first state, the contact area of the expansion mechanism and the skin of the incision is increased, the local pressure intensity is reduced, and the core requirement of the biomedical engineering industry for tissue protection is accurately met. The invention provides a retractor for an abdominal surgery to solve the problem that in the process that an existing retractor opens an incision, extra damage can be caused to tissue at the incision.

This utility model discloses a telescopic device comprising a telescopic arm and a drive mechanism. The telescopic arm includes several sequentially nested mechanical arms, with adjacent mechanical arms slidably connected. The outermost mechanical arm has a positioning part on its end face, and the innermost mechanical arm has a stop adapted to the positioning part. The output end of the drive mechanism is fixedly connected to the innermost mechanical arm, driving it to move away from the outermost mechanical arm. Under the action of the positioning part and the stop, it sequentially drives adjacent mechanical arms to slide in the same direction, thereby extending the telescopic arm. The drive mechanism also drives the innermost mechanical arm to move towards the outermost mechanical arm, and under the action of the positioning part and the stop, it sequentially drives adjacent mechanical arms to slide in the same direction, thereby retracting the telescopic arm. This utility model has the advantages of compact structure, long service life, adaptability to complex forces under heavy-load conditions, high structural strength, low power transmission loss, and smooth telescopic operation.

This invention discloses an endoscope operating device and an endoscope. The operating device includes: a housing having a gripping area for hand gripping and an operating area adjacent to one end of the gripping area; a bending function knob assembly capable of rotating about a rotation axis to bend a bending portion located in an insertion portion; a plurality of function button assemblies connected to the housing and located in the operating area; a support portion protruding from the first surface of the gripping area of ​​the housing, supporting the user's left thumb and index finger when gripping the gripping area, the support portion being closer to the front end of the housing than the bending function knob assembly; and a thumb-base fitting area formed by the continuous transition between the first surface of the gripping area and the adjacent surfaces of the support portion, including an index finger-side support area, a transition area, and a thumb-side covering area arranged sequentially along the gripping direction. By matching the natural curvature of the user's left hand with the thumb-base fitting area, fatigue accumulation can be reduced, and comfort during long-term operation can be improved.

This invention relates to the field of welding fixture technology, and discloses a welding fixture for assembling automotive parts. The fixture includes a base with two symmetrically arranged movable plates on its top. A ring is mounted on each movable plate, and a clamping component is mounted on the ring. The clamping component includes a clamping assembly mounted on the ring, which is further equipped with a deformation component, an adjustment component, and a linkage pushing component. This welding fixture for assembling automotive parts achieves adaptive flexible clamping of automotive parts of different shapes, such as square and round, through a rotatable and adjustable first clamping plate combined with a hollow rubber plate structure. This overcomes the shortcomings of traditional fixtures, which can only adapt to a single shape of workpiece and require frequent replacement. The deformation component drives the first clamping plate to rotate, forming a V-shaped clamping structure. Combined with the linkage pushing component and the adjustment component, it automatically adapts to the workpiece shape, transforming line contact into surface contact, significantly increasing the force-bearing area and reducing local pressure.