82results about How to "Convenient to accommodate" patented technology

The utility model discloses an edible mushroom compost stirring device, and particularly relates to the technical field of edible mushroom compost, the edible mushroom compost stirring device comprises a containing hopper, a stirring barrel and a mounting plate, the stirring barrel is arranged at the top of the containing hopper, the mounting plate is mounted at the top end of the stirring barrel, and a center rod is arranged in the stirring barrel in a penetrating manner; an adjusting cylinder is sleeved with the top end of a stirring cylinder used for containing, the interior of the adjusting cylinder is closed, connecting blocks are fixedly connected to the outer walls of the two sides of the top ends of the stirring cylinder and the adjusting cylinder, and the bottom end of the stirring cylinder is slidably sleeved with a bottom plate; fixing plates are fixedly connected to the two ends of a mounting plate used for supporting, a plurality of electric push rods are arranged in the two ends of the mounting plate in a penetrating mode, and the bottom extending ends of the electric push rods are fixedly connected with connecting blocks. The stirring device has the advantages that the stirring operation does not need to be paused during discharging, the accommodating size is convenient to adjust, and the stirring device is suitable for stirring different materials.

The utility model discloses a building construction intelligent monitoring device which comprises a fixed box, an intelligent monitoring camera is fixedly installed at the middle end of the bottom of the outer surface of the fixed box, a driving motor is fixedly installed at the right end of the bottom of the outer surface of the fixed box, and a screw rod is fixedly installed at the output end of the driving motor. The top of the screw is movably connected to the right end of the top of the inner cavity of the fixed box through a bearing. Through the arrangement of the intelligent monitoring camera, video monitoring operation can be carried out on the environment around building construction, and through the arrangement of the driving motor, the screw rod, the movable frame, the fixed shaft, the cleaning scrubbing brush, the rotating shaft, the gear, the toothed plate, the L-shaped rotating rod and the through groove, the effect of automatically cleaning dust attached to a lens of the intelligent monitoring camera is achieved; the video monitoring operation of the intelligent monitoring camera can be effectively ensured to run stably for a long time, and meanwhile, great convenience is brought to the cleaning work of personnel.

The utility model discloses a rotating mechanism for loading a wafer box, and relates to the technical field of semiconductor wafer loading. The Casset wafer box supporting device comprises a side support, a fixed door frame, a supporting arm, a hinge structure, a box supporting plate used for bearing a Casset wafer box, a wafer box backrest and a pushing air cylinder. The Casset wafer box is arranged in a right-angle storage groove formed by the box supporting plate and the wafer box backrest, and the Casset wafer box is clamped between the side support and the wafer box backrest after the pushing air cylinder shrinks. The situation that the wafer slips and protrudes in the box due to non-uniform manual placement speed and inertia, so that the equipment is suspended is avoided; and through the formed cover-shaped structure, the wafer box can be well protected and cannot be overturned by a manipulator, so that the safety is improved.

The invention belongs to the technical field of agricultural film preparation, and particularly relates to an internal addition type polyolefin seven-layer co-extrusion light-conversion dustproof high-heat-preservation pesticide-resistant long-acting dripping fog dispersal greenhouse film and a preparation method thereof. The greenhouse film is composed of a first outer layer which is a dustproof anti-aging layer, a second outer layer which is a light conversion anti-aging layer, a third outer layer which is a barrier heat preservation anti-acid anti-aging layer, a middle layer which is a high heat preservation anti-acid dripping agent storage layer, a third inner layer which is a high heat preservation anti-acid dripping agent storage layer, a second inner layer which is a high heat preservation anti-acid dripping antifogging agent slow release layer and a first inner layer which is an anti-acid dripping antifogging agent release layer. The width of the greenhouse film is 8 m or above, and the thickness of the greenhouse film is 0.08 mm-0. 15 mm; the light transmittance is more than 90%, and the haze is less than 16%; the infrared transmittance is less than 20%; 600 days after film covering, the light intensity ratio inside and outside the greenhouse is still larger than 88%; due to the dustproof function, the annual attenuation rate of the light transmittance is smaller than 1.1%; the lasting period of the dripping fog dispersal function lasts for 24 months and is synchronous with the service life of the film.

The utility model relates to the technical field of motors, in particular to a transition joint processing and positioning tool of a high-speed high-precision spindle motor, which comprises a three-jaw chuck for clamping and positioning a transition joint, a rotating base and a positioning pressure plate, the three-jaw chuck is fixed on the rotating base, and the positioning pressure plate is fixed on the three-jaw chuck; the three-jaw chuck comprises a fixed base and a chuck body, the fixed base is fixed to the rotating base, the chuck body is fixed to the fixed base, a containing groove is formed in the middle of the chuck body, and a positioning threaded hole is formed in the containing groove; three clamping jaws are arranged on the chuck; the positioning pressing disc comprises a disc body, a Y-shaped positioning clamping groove is formed in the lower surface of the disc body, the width of the Y-shaped positioning clamping groove is equal to that of the clamping jaw, the Y-shaped positioning clamping groove corresponds to the clamping jaw in position, a plurality of positioning pins are arranged on the lower surface of the disc body in the circumferential direction, and a hole is formed in the middle of the disc body. The utility model relates to a transition joint processing and positioning tool of a high-speed and high-precision spindle motor, which can solve the technical problem of low processing efficiency of transition joint processing in the prior art.

The utility model relates to the technical field of distribution boxes, and discloses a distribution box convenient to adjust, which comprises an outer shell, the outer shell is fixedly connected with a fixing frame I, the fixing frame I is fixedly connected with a motor, the output end of the motor is fixedly connected with a bevel gear I, the bevel gear I is meshed with a bevel gear II, and the bevel gear II is meshed with a bevel gear II. The second bevel gear is fixedly connected with a rotating shaft, and the rotating shaft is rotationally connected with a fixing block. According to the utility model, the distribution box can adapt to the requirements of different electrical equipment, so that when equipment is newly added or existing equipment needs to be replaced, new equipment or replaced equipment can be conveniently accommodated by adjusting the internal space layout of the distribution box, and the whole distribution box does not need to be replaced, thereby greatly enhancing the adaptability and flexibility of the distribution box; and flexible adjustment can be performed according to wiring requirements of different cables, so that the wiring process is more convenient and faster, distortion and compression of the cables can be reduced, the durability of the distribution box cables is improved, and the service life of the distribution box cables is prolonged.

The present invention discloses an anti-reflux stoma enema device, which mainly includes a liquid storage bag, a drainage tube, a regulating valve, a first trachea, and a first air bag. The liquid storage bag is connected to the rear end of the drainage tube, and the drainage tube is provided with a regulating valve. The drainage tube has a first trachea and a drainage liquid channel in it, the end of the first trachea is connected to the first air bag, the top of the first trachea has a first inflation port, the front end of the drainage tube is provided with a plurality of scattered holes, and the drainage tube is also provided with a sleeve, the sleeve is provided with a sleeve inner hole, the sleeve is provided with a protective cover on the outside, the protective cover is provided with a protective cover hole, and a protective cover cavity is formed inside the protective cover, the protective cover hole is movably connected with the outer wall of the sleeve, and a second air bag is provided in the protective cover cavity, the second air bag is sleeved on the outside of the sleeve, and the second air bag is connected to the end of the second inflation tube. The product of the present invention has a uniquely designed sleeve, the sleeve can detect the direction of the stoma intestine, and the second air bag can also appropriately expand the narrow stoma.

Host-guest supramolecular probes and applications for accelerating nitroreductase detection belong to the fields of organometallic supramolecular, bioinorganic and biofluorescent probes. The supramolecular host-guest probe platform, which is assembled based on the metal organic cage main structure constructed based on the cofactor structure and the nitroreductase small molecule fluorescent probe, can be used for the rapid quantitative detection of nitroreductase in tumors, simplifying the enzyme-catalyzed double substrate process to a single substrate process. The traditional fluorescent sensor that depends on the cofactor concentration is no longer interfered by the cofactor, and has a rapid fluorescent signal response to the detection of the target enzyme. There is a linear relationship between the fluorescence emission change of the host-guest probe and the nitroreductase concentration, and compared with the simple small molecule probe, the host-guest probe shows better sensitivity to the target enzyme. This host-guest supramolecular fusion strategy provides an effective tool for the new rapid quantitative detection of nitroreductase and provides a new method for biological tracing.

This invention discloses a composite fishing net line made from sisal fiber. The preparation method includes the following steps: sisal fiber is depectinized by pectinase; a mixture of ethanol and water containing tetraethyl orthosilicate is prepared, the pretreated sisal fiber is added, dilute sulfuric acid is added to react, and then an alkaline calcium source solution is added to react further, yielding sisal fiber after one treatment; silane coupling agent is used to modify the sisal fiber to obtain sisal fiber after a second treatment; a waxy waterproof layer is sprayed onto the surface of the sisal fiber after the second treatment, and it is dried to obtain sisal fiber monofilaments; the sisal fiber monofilaments are twisted and fixed to obtain the composite fishing net line. This invention uses sisal fiber as the main material to make fishing net lines, which can provide more options for reducing water pollution caused by microplastic particles from fishing nets, and also provides a good idea for expanding the field of deep processing of sisal.

The utility model discloses a mixing device for silicon carbon material production, which comprises a driving assembly, a stirring assembly, a sealing door, a limiting hole, an annular cylinder, an annular gear and a fixed seat, the driving assembly comprises a base, a limiting seat, a first mounting plate, a first motor, a driving gear, a moving frame, a second mounting plate and an electric telescopic rod; each stirring assembly comprises a bottom plate, a containing seat, a second motor, a cylindrical containing box, a sealing joint, a sealing sleeve, a positioning rod and a stirring frame, and the stirring assemblies are arranged on the two sides of the top of the driving assembly. The mixing device for silicon carbon material production has the advantages of being good in stirring effect and convenient to maintain, and solves the problems that in the prior art, the interior of a mixing device is inconvenient to clean, materials are prone to being attached to the inner wall of a mixing tank after long-time use, the mixing effect is affected, meanwhile, the tank body is closed, and the mixing effect is affected. And the stirring rod is troublesome to replace.

The utility model relates to conveying device technical field more specifically, relate to a kind of lifting conveying platform, including rack, lifting adjustment mechanism and conveying belt assembly, rack is connected with lifting adjustment mechanism, lifting adjustment mechanism is connected with conveying belt assembly, lifting adjustment mechanism includes lifting power source, linkage shaft, transmission shaft and lifting assembly, the output end of lifting power source is connected with linkage shaft transmission, a pair of transmission shaft is rotatably connected with rack respectively and is set in the both sides of conveying belt assembly, linkage shaft is connected with a pair of transmission shaft transmission respectively, each transmission shaft is spaced apart and set multiple lifting assemblies along length direction, each lifting assembly is connected with transmission shaft transmission, and the moving end of each lifting assembly is connected with conveying belt assembly. Through the transmission shaft synchronous drive of both sides, guarantee the synchronism of conveying belt assembly two sides power transmission, through the multiple lifting assemblies with conveying belt assembly connection of interval arrangement, guarantee the lifting stability of conveying platform.

The utility model relates to a wall-mounted household energy storage device, and relates to the technical field of energy storage devices, the wall-mounted household energy storage device comprises a box body, an energy storage assembly located in the box body and a box door installed on the box body; a fixing assembly is arranged on the side face of the box body and comprises a transverse plate fixedly arranged on a to-be-installed vertical face and a fixing plate fixedly arranged on the side face, away from the box door, of the box body. A limiting plate is installed on the vertical side face of the transverse plate, the upper end of the limiting plate protrudes out of the upper side face of the transverse plate, a bent plate is fixedly arranged on the side face, away from the box body, of the fixing plate, and a limiting cavity allowing the limiting plate to be inserted from bottom to top is formed between the bent plate and the fixing plate. According to the energy storage device, the installation cost is reduced, the installation time is shortened, rapid installation of the energy storage device is achieved, and subsequent disassembly and maintenance of the energy storage device are facilitated.

The utility model discloses an escalator comb structure, the utility model discloses an escalator comb structure includes the pedal of fixed installation on the entrance and exit of escalator, one side of pedal is rotatably installed with the rotating plate, the rotating plate is rotatably installed with the comb tooth plate to the other side of connecting pedal, the comb tooth plate includes the second board body, one side department of second board body is rotatably installed with rotating plate, and the other side department of second board body is equipped with a plurality of groups interval arrangement's comb tooth. Through placing the rotating plate between the pedal and the comb tooth plate, and adopting two -stage rotatory installation design, the utility model realizes the greater rotation angle and more nimble displacement of comb tooth plate, effectively avoids the harm to the passenger, improves the containing capacity to the foreign matter, and simplifies the installation and the dismounting process, improves the security and the maintenance convenience of escalator.

The invention provides a battery cell and an electronic device. The battery cell comprises an electrode assembly and a supporting piece. The electrode assembly comprises a first pole piece, a second pole piece and an isolating membrane, wherein the isolating membrane is arranged between the first pole piece and the second pole piece. The electrode assembly has a winding center hole. And the first pole piece, the isolating membrane and the second pole piece are wound around the winding center hole. The supporting piece is arranged in the winding center hole. The supporting piece comprises a shell and a plurality of reinforcing pieces, the shell is provided with a containing cavity, at least part of the outer side face of the shell is attached to the hole wall of the winding center hole, the reinforcing pieces are connected to the inner side face of the shell, and the reinforcing pieces are arranged at intervals and divide the containing cavity into a plurality of sub-cavities. And a heat absorption piece or a flame-retardant piece is arranged in at least one sub-cavity.

The utility model relates to medical instrument technical field, concretely relates to a kind of external hearing aid, including earplug, and earplug is formed with inner plug wall and outer plug wall, the inner plug wall is cylindrical structure, and the outer plug wall is located the outside of earplug, the inner plug wall is located the inside of earplug, the earplug is provided with containing cavity, the first opening of annular is arranged on the inner plug wall, and the containing cavity is used to place sleeve, and the sleeve is stretched from the first opening and is sleeved on outer plug wall. A kind of external hearing aid of the application can be worn by multiple patients in the case of hearing aid, to avoid cross infection, while also avoiding the purpose of hearing aid damage.

The invention relates to the technical field of ship construction, in particular to an angle steel head pressing tool. An angle steel head pressing tool comprises a main body structure, a web plate containing groove used for containing a web plate of angle steel is formed in the main body structure, an abutting fixing piece is in threaded connection with the side wall of one side of the web plate containing groove, and the main body structure further comprises a pressing plate located at the upper end of the web plate containing groove and arranged with the web plate containing groove in a spaced mode. The pressing plate is in threaded connection with a pressing block structure used for moving in the direction of the web containing groove, and the pressing block structure is used for being pressed on a panel of the angle steel. By arranging the pressing plate and the pressing block structure in threaded connection with the pressing plate, pressure is conveniently applied to the panel, head pressing process operation is conveniently achieved, a force arm can be enlarged through the threads and the pressing block structure, an additional machine tool is not needed, and the problems that in the prior art, angle steel head pressing operation needs to be conducted through a specific machine tool, and operation is inconvenient are solved. Time and labor are wasted, and the machining cost is high.

This utility model relates to the technical field of lens manufacturing equipment, and discloses a lens cleaning and draining dustproof rack device, including a water receiving box. Multiple weighted base blocks are fixedly connected to the lower surface of the water receiving box. Multiple water guiding platforms are fixedly connected to the bottom of the inner wall of the water receiving box to guide water flow. Connecting blocks are fixedly connected to both sides of the water guiding platforms. A horizontal plate is fixedly connected to one side of each connecting block, and multiple baffles are fixedly connected to one side of the horizontal plate. This utility model uses a transparent shell with ventilation holes and a dustproof net, combined with an opening door that allows for top opening, to easily block external dust and simplify the placement and removal of lenses. The outer and inner baffles limit the transparent shell, and the locking and unlocking structure, consisting of locking blocks and locking grooves, can quickly lock and unlock the transparent shell, stably fixing it and facilitating disassembly, maintenance, and cleaning. Multiple support bars and baffles, combined with the water guiding platforms, can accommodate multiple optical lenses of the same specification and guide water flow for rapid drainage.

This invention discloses a type of steel for hydropower engineering and its preparation method. The steel comprises the following chemical components: C, Mn, Si, Alt, Nb, V, Ti, Cr, Ni, Mo, Cu, and B. Its yield strength is ≥950 MPa, tensile strength is ≥1000 MPa, and it exhibits excellent load-bearing capacity, meeting the structural material requirements for high-stress conditions in large-scale hydropower projects. Its impact value at -40℃ is ≥200 J, and its aging impact value at -40℃ is ≥200 J, demonstrating excellent low-temperature toughness and aging stability. It exhibits outstanding resistance to low-temperature brittle fracture and long-term service embrittlement, providing strong service safety and durability. It is suitable for critical load-bearing structures in hydropower projects operating in cold, high-stress, and long-term service conditions.

The invention provides a hydraulic control unit for a straddle-type vehicle, wherein the storage of a control substrate in a housing is easier than that of a conventional hydraulic control unit. A hydraulic pressure control unit according to the present invention is provided with: a base body in which a flow path for brake fluid is formed; a control board to which at least a part of components constituting a brake control device for controlling a hydraulic pressure adjustment valve for opening and closing the flow path are mounted; a housing for housing the control board; and a connector electrically connected to the control board. When viewed from a line-of-sight direction which is parallel to the arrangement direction of the base body and the housing and in which the base body and the housing are arranged in this order, the connector is provided in a region of the housing that protrudes outward of the base body in a first direction of one of four directions extending in the vertical and horizontal directions. The housing also protrudes toward the outside of the base body in a second direction, which is different from the first direction, of one of the four directions.

In a vehicular disc brake and a friction mud capable of preventing a position of a pad spring from being displaced at the time of assembly and improving an assembling property, a pad spring 6 includes: a hanger pin abutting portion 6a that abuts against an outer peripheral surface on a disc radial inner side of a hanger pin 4; a first elastic portion 6c and a second elastic portion 6e that abut against a pair of friction pads 5, 5 and urge the friction pads 5, 5 to a disc radial inner side; and a first positioning piece 6g and a second positioning piece 6h that abut against the friction pads 5, 5 to determine positioning of the pad spring 6 when the friction pads 5, 5 and the pad spring 6 are assembled to a caliper body 3.

The utility model discloses a portable outdoor drawing board box, including box, the bottom surface of box is equipped with three groups equidistance first storage slot, each group first storage slot all is installed rotatable support leg, and the one side of support leg is installed telescopic telescopic link, and the lock -up subassembly is installed between support leg and telescopic link. The utility model has the advantages that: through setting bolt and lock -up nut cooperation can through lock -up nut on bolt helical adjustment the state between support leg and telescopic link, improve the convenience of support leg and telescopic link installation, and the one end of first storage slot is equipped with fixed groove, and after the one end of telescopic link extends to fixed groove, through lock -up subassembly, support leg and telescopic link are locked and fixed, thereby can store and fix support leg and telescopic link in first storage slot, avoid support leg and telescopic link from falling off from first storage slot in the process of carrying, improve the overall portability of box, improve the use experience of user.

The invention relates to the technical field of vehicle frame assemblies of vehicles, in particular to a cross beam assembly for a standardized vehicle frame structure and the standardized vehicle frame structure. The cross beam assembly comprises a cross beam body provided with a plane-shaped top plate, a curved-surface-shaped bottom plate and a rib plate supported between the top plate and the bottom plate. One end of the cross beam support is connected with the cross beam body, and the other end of the cross beam support overhangs to the outer side of the cross beam body in the length direction of the cross beam body; wherein the top plate and the bottom plate are respectively and vertically connected with the rib plate, are positioned on the same side of the plate surface of the rib plate, and are symmetrically arched; the cross beam supports are symmetrically arranged on the top plate and / or the bottom plate in pairs. According to the beam assembly, the arch-shaped beam body is formed by the top plate, the bottom plate and the rib plates, the lightweight design of the beam assembly is achieved, an arch-shaped space can be formed at the lower end of the frame structure, and the transmission shaft can be better contained in the frame structure.

The barrel segment wallboard processing system and barrel segment wallboard processing method provided by the application comprise a workbench provided with a work guide rail, a welding unit provided on the work guide rail and provided with a first transmission mechanism, the welding unit being adapted to move along the work guide rail under the action of the first transmission mechanism and to frictionally weld stringers and skins, a milling unit provided on the work guide rail and provided with a second transmission mechanism, the milling unit being adapted to move along the work guide rail under the action of the second transmission mechanism and to mill the skins, and a clamping tool provided on the workbench and provided adjacent to the work guide rail between the welding unit and the milling unit, the clamping tool being adapted to limit the stringers and the skins. Such a design enables the stringers and the skins to be automatically welded and connected, improves the manufacturing efficiency of the storage tank, and facilitates the system to realize different processes and improve the application range due to the separate arrangement and independent movement of the welding unit and the milling unit.

The utility model provides a cooking utensil panel assembly and cooking utensil wherein the cooking utensil panel assembly is a display type panel structure or a mechanical type panel structure arranged on the installation part of the cooking utensil, the installation part is provided with a clearance opening, and when the cooking utensil panel assembly is the display type panel structure, the clearance opening is arranged on the installation part. The display type panel structure comprises a control panel which is provided with a trigger part and a display screen; the first panel is electrically connected with the triggering part; the cover plate is detachably arranged at the clearance opening in a covering manner; when the panel assembly of the cooking utensil is of a mechanical panel structure, the mechanical panel structure comprises a timer, a first switch and a second switch, a second panel; a part of the knob penetrates through the second panel and is connected with the driving part. According to the technical scheme, the problem that in the related technology, the manufacturing cost of a cooking utensil is high is effectively solved.

The utility model provides a simulation device for a foundation load test, and the device comprises a main body which is arranged at a test site; a first opening is formed in the storage container, the storage container is hollow, and the first opening abuts against the main body so that the storage container can be buckled to the main body, and therefore soil can be contained in the storage container; the lifting mechanism is arranged on the main body and connected with the storage container, and the lifting mechanism is used for applying a first acting force for driving the storage container to be separated from the main body, so that the soil body in the storage container is discharged through the first opening; the technical problem that a storage container is difficult to move out of a soil body in an existing foundation load test is effectively solved, the situation that in a traditional method, manpower or small excavating equipment is needed to remove the soil body in a narrow space is avoided, a large amount of manpower and material resources are saved, the risk of equipment damage caused by misoperation is reduced, and the working efficiency is improved. And a more efficient and safer operation mode is provided, and the method has important significance for improving the preparation and execution process of a foundation load test.

The application discloses a portable push-up exerciser, which comprises a support table body and support rods. The support table body is of a hollow structure, one end of which is provided with an opening, and a cover is detachably connected to the opening. A movable connecting structure is arranged between the cover and the support table body. A plurality of mounting sockets are arranged at both ends of the support table body. The four support rods can be inserted into the support table body for storage and symmetrically connected in pairs to the mounting sockets at both ends of the support table body, so that the support table body is horizontally fixed at a preset height. The support table body can be erected to the preset height by the support rods, so that the body inclination angle of a human body doing push-ups is improved, the difficulty of push-ups is reduced, and the health problem of floor push-ups is overcome. In addition, the hollow structure of the support table body can conveniently accommodate the support rods, so that the overall structure of the exerciser is simple and easy to carry, and the requirement of people for exercising arm and chest muscles at any time is met.

The utility model discloses a nondestructive testing device for the quality of a pressure pipeline interface, which particularly relates to the field of pressure pipelines and comprises a device main body, and a pipeline interface accommodating groove is fixedly connected to the middle part of the top of the device main body; an extrusion block is connected to one side of the interior of the pipeline connector containing groove in an embedded mode, and a connecting groove is fixedly connected to one side of the extrusion block. When the device is used, the design of the pipeline interface accommodating groove enables the device to conveniently accommodate a to-be-detected pipeline interface, the combination of the extrusion block and the connection groove is matched with the reset spring and the concave groove, stable extrusion force can be provided in the detection process, uniform pressure distribution on the pipeline interface is ensured, and the detection precision is improved. Through introduction of a fixed supporting block and a lifting shaft, a U-shaped rod and a mounting plate can stably ascend and descend, so that proper pressure is applied to a pipeline interface through a pressing force applicator, the stability of the device is enhanced through design of an external fixed plate, the whole detection process is more accurate and reliable, and the whole device is compact in structure and easy to operate.

The application discloses a high-strength metal plate positioning and feeding oil pressure equipment, and particularly relates to the field of metal stamping, which comprises a rack, a main oil tank fixedly connected in the rack, an upper pressing assembly installed on the top of the rack, an upper die connected to the output end of the upper pressing assembly, a lower workbench fixedly connected to the rack, two symmetrical lifting assemblies installed at the bottom of the lower workbench, and a lower die connected to the output end of the lifting assembly. The upper pressing assembly is used for driving the upper die to move towards the lower die, and the lifting assembly is used for driving the lower die to move along a preset direction. The centering assembly drives multiple conical positioning pins to move synchronously, thereby realizing automatic positioning of the metal plate. The symmetrical force ensures that the plate is uniformly guided to the center and cannot be deviated or twisted during the positioning process, thereby ensuring that the center of the plate is completely coincident with the center of the die, laying a perfect foundation for subsequent uniform stretching, wrinkle prevention and crack prevention.

The utility model discloses a handheld cosmetic mirror which comprises a mirror shell, a mirror piece and a telescopic belt assembly, a containing groove is formed in the back face of the mirror shell, two installation through holes are formed in the bottom wall of the containing groove in a spaced mode, and the installation through holes penetrate through the front face of the mirror shell; the lens is mounted on the front surface of the mirror shell and covers the two mounting through holes; the two ends of the telescopic belt assembly are installed between the mirror shell and the lens through the installation through holes respectively, and the telescopic belt assembly has the storage state that the telescopic belt assembly is stored in the containing groove and the use state that the telescopic belt assembly elastically deforms from the storage state and partially stretches out of the containing groove. The telescopic belt assembly part and the back face of the mirror shell are spaced to form a handheld space. The technical scheme of the utility model is convenient for a user to hold, use and store.

The utility model belongs to the field of nursing appliances, particularly relates to a dressing change table, and aims to solve the problems that in the process of changing dressings for patients, the dressings are easy to leak and fall off and can directly fall on a table top, so that nursing personnel need to clean the table top once every time after changing dressings for the patients, inconvenience is brought to the nursing personnel, and the working efficiency is high. According to the scheme, the device comprises a bottom plate, two symmetrical electric push rods are fixedly installed at the top of the bottom plate, and a table plate is fixedly arranged at the top ends of the two electric push rods; the supporting and placing mechanism is arranged on the table plate and used for supporting and placing the limbs of the patient. When the nursing bed is used, the limbs of a patient can be supported and placed, medicine can be prevented from directly falling onto the bedplate, the bedplate is prevented from being cleaned once every time after a nurse finishes changing medicine for the patient, convenience is brought to the nurse, and the using effect is improved.