61results about How to "Adjust extension length" patented technology

The invention discloses a special medical facility for ophthalmological treatment, which comprises a support table, a limited slot, a first support pillar, a first electric drive pusher, a second electric drive pusher, a liquid pump, a disinfectant tank, a support plate, a magnifying lens, an infusion hose, a washing head, a cover plate, an extension support plate, a limited block, a tool drawer,a handle, a second support pillar, a threaded hole, a limited slot, a limited gate road, a first limited through hole, a second limited through hole and a limited slot hole. According to the special medical facility for ophthalmological treatment, the cover plate is firstly opened, a patient to be treated lies in the limited slot, and the extension elongation of the extension support plate is appropriately adjusted according to the height of the patient to be treated; then the first electric drive pusher and the second electric drive pusher are started to adjust the height and the extension elongation of the magnifying lens until the magnifying lens is adjusted to be in a position up-and-down vertical to an eye of the patient to be treated; finally, the tool drawer is pulled out through the handle, a corresponding treatment tool is taken out from the tool drawer, and a therapist can smoothly get the washing head and start the liquid pump.

The invention discloses an oil pollution clearing device for mechanical equipment. The oil pollution clearing device comprises a handle; a through hole is formed in one end of the handle; an air box is slidably mounted in the through hole; a cavity is formed in the air box; a rotating hole is formed in the inner wall of one side of the cavity; a sleeve is rotatably mounted in the rotating hole, and one end of the sleeve extends to the outer side of the handle and is arranged to be in a closed state; a plurality of brush bristles are fixedly mounted on the outer side of the sleeve; a pluralityof communicating holes are formed in the inner wall of the sleeve; mounting rods are welded to the inner walls of the top and the bottom of the through hole correspondingly; motors are mounted on onesides of the mounting rods, and gears are fixedly mounted on output shafts of the motors; and a rack is arranged on the outer side of the sleeve, and the two gears are engaged with the rack. The oil pollution clearing device is reasonable in design and high in practicability, the distance between the brush bristles and the handle is convenient to adjust, the to-be-washed part of the mechanical equipment can be dried, sewage at the to-be-washed part can be cleared, various clearing functions are achieved, and using is facilitated.

The invention discloses an emergency stretcher for an ambulance, which comprises a stretcher main body, wherein a platform for carrying a patient is arranged on the stretcher main body, folding support leg devices are arranged at the periphery of the bottom of the stretcher main body, upper wheel devices are respectively arranged at the front and rear ends of the bottom of the stretcher main body,the two sides of the stretcher main body are provided with foldable guardrail devices, the stretcher main body is provided with an adjustable waistband device, one side of the front end of the stretcher main body is provided with a telescopic transfusion frame device, and the front and rear ends of the stretcher main body are respectively provided with a stretcher handle. The stretcher has the advantages that the structure is simple and the practicability is strong.

The invention relates to the field of child safety seats for automobiles, and especially relates to a 360-degree rotating child safety seat for an automobile. The 360-degree rotating child safety seatfor the automobile includes a seat body and a base. The seat body is disposed above the base; a rotation regulation mechanism is disposed between the seat body and the base; the rotation regulation mechanism includes a rotating shaft and a rotating disc; the rotating disc and the seat body are fixed to the rotating shaft; the lower end of the rotating shaft is rotatably connected to the base to allow the seat body to rotate on the base; and a locking device used for locking a position of the seat body is disposed between the rotating disc and the base. The 360-degree rotating child safety seat for the automobile provided by the invention can simply and reliably achieve 360-degree rotation of the seat body by the rotation regulation mechanism, can be stopped and locked at a suitable position by the locking device, and is convenient for parents to face a child and take out the child from and put the child in the child safety seat beside an automobile door, or to take care of the child in the child safety seat in the next seat.

The invention discloses a building outer wall surface drilling device for constructional engineering. The building outer wall surface perforating device comprises a base and a drilling machine body, moving wheels are arranged at the bottom of the base, supporting stabilizing mechanisms are arranged on the two sides of the base, a fixing cylinder is fixedly connected to the upper end of the base, a threaded lifting sleeve is slidably inserted into the inner side of the fixing cylinder, a lifting mechanism used for driving the threaded lifting sleeve to ascend and descend is arranged on the inner side of the fixing cylinder, a fixing frame is fixedly connected to the upper end of the threaded lifting sleeve, a fixing disc is fixedly connected to the upper end of the fixing frame, a rotating top seat is arranged above the fixing disc, a rotating groove matched with the fixing disc is formed in the lower end of the rotating top seat, and the fixing disc is rotationally connected into the rotating groove. The building outer wall surface drilling device is simple in structure, convenient to implement, capable of greatly improving the working efficiency of drilling, capable of adjusting the drilling height, direction, angle and depth, high in applicability and flexible and convenient to use.

The invention discloses a multifunctional test bench for a chip. The multifunctional test bench comprises a test bench and an extrusion plate, wherein a groove is formed in the middle of the upper surface of the top of the test bench; a detection plate is arranged in the groove; an insertion rod is arranged in the middle of the bottom surface of the test bench; a connection ring is arranged at thebottom end of the insertion rod; a connection block is mounted in the middle of the bottom surface of the extrusion plate; and limiting plates are arranged at positions, close to two sides, in the extrusion plate; and a detector is mounted on the rear surface of the extrusion plate. According to the multifunctional test bench for the chip, the chip can be limited through the limiting plates, so that the chip is prevented from being cracked by the extrusion plate due to a mechanical error; through springs and the insertion rod, the chip can be separated and taken out from the test bench; and the whole test bench is simple in structure, relatively practical and suitable for popularization.

A rock shearing fracture surface boundary depicting device and a method are disclosed. A support cylinder, a rotation sleeve and a support seat are included. The support cylinder is installed on the support seat. An operation platform bottom is connected to the support seat. A rock sample is located on an operation platform. A center section of the rotation sleeve is fixedly connected to a vertical rod. The vertical rod is inserted into and is installed on a bearing in the support cylinder. An upper portion of the support cylinder is provided with a rotation bearing. One end of a diagonal rod is connected to the rotation bearing. The other end of the diagonal rod is connected to the rotation sleeve. A horizontal interlocking bar is movably installed in an internal portion of the rotation sleeve. A depicting probe body is connected to a left end of the horizontal interlocking bar. A rotation handle is connected to the rotation bearing of the depicting probe body. An outer cylinder of a paintbrush is connected to a right end of the horizontal interlocking bar. An electronic paintbrush is inserted into the outer cylinder of the paintbrush and is fixed through a rotary knob. An electronic drawing board is arranged below the electronic paintbrush. The electronic drawing board is connected to a computer. By using the device and the method, problems that a personal error of rock shearing surface area calculation is large, operation is difficult and so on can be solved; and procedural depicting of a rock shearing fracture surface is realized.

The invention discloses an electric power construction cable laying pipeline dredging device, and relates to the technical field of electric power construction. The electric power construction cable laying pipeline dredging device comprises a dredging rod, cylindrical containing grooves are formed in one end face of the dredging rod, first threaded rings are fixedly installed at openings of the cylindrical containing grooves, second threaded rings are fixedly installed in the middles of the interiors of the cylindrical containing grooves, a threaded rod is in threaded connection with the interiors of the first threaded rings and the second threaded rings, and a disc is fixedly installed on the end face, located on the outer sides of the cylindrical containing grooves, of the threaded rod.According to the electric power construction cable laying pipeline dredging device, through arrangement of a conical drill bit, some high-hardness blockages can be drilled and dredged from the middle,through arrangement of an inclined cutter plate, some high-hardness blockages can be scraped and dredged from the surface, through combined use of a hemispheroid and alloy rods, the blockages can bedredged in a large area, and moreover, the soft blockages on the inner wall of a cable laying pipeline can be cleaned through a scraping plate.

The invention discloses a subwoofer for a matrix audio system, and a positioning method, relating to the loudspeaker box field. The subwoofer includes a sound box shell, a closed groove is formed inthe outer side wall, close to the edge, of the sound box shell in a rectangular manner; LED marquee lamps are evenly installed in the groove, a woofer is installed at the position, located on the inner side of the groove, of the outer side wall of the sound box shell, a fluorescent powder coating is arranged at the position, located on the edge of the woofer, of the outer surface of the sound boxshell, and wheels are installed at the positions, close to the four corners, of the bottom of the sound box shell. The attractive appearance of the sound box shell is improved; the subwoofer is morecool while being used at night; meanwhile, when the subwoofer is not used at night, light can be emitted through the fluorescent powder coating to be easily found, the problem that the subwoofer is damaged due to collision at night is avoided, the extension length of the lifting rod can be conveniently adjusted according to the requirements of different users, movement and stable placement of thesound box are facilitated, and then the subwoofer is convenient to carry by the users.

The invention belongs to the field of architecture construction, and particularly relates to a quick-mounting adjustable tool type temporary stair. The quick-mounting adjustable tool type temporary stair includes a plurality of stair separated bodies, wherein detachable supporting poles capable of adjusting length are arranged on the lower part of the stair; the stair separated bodies are composedof steel structural components, and include stair surface frames, pedals mounted on the stair surface frames and detachable guard bars at the two ends of the stair surface frames; and connecting parts for connecting the front and rear and the left and right adjacent stair separated bodies are arranged on the stair surface frames. The stair separated bodies are mounted longitudinally and transversely in an extending mode, thus the extending length, width and angle of the stair can be adjusted, and the quick-mounting adjustable tool type temporary stair is suitable for multiple construction application scenarios; the connecting mode between the temporary stair separated bodies is ingenious, consistency of connection of all the stair separated bodies is increased, and stability of using is also ensured; and the temporary stair separated body units are simple, light in weight, simple and quick in assembling, and convenient to use.

The invention discloses a clitoris adhesion removal surgery operation device and a control method, and relates to the field of surgeries, the clitoris adhesion removal surgery operation device comprises a shell, the left side of the shell is in threaded connection with a screw rod, the outer side of the screw rod is fixedly connected with a knob, the outer side of the knob is provided with antiskid lines, the right end of the screw is rotationally connected with a driving rack, the driving rack is connected with the shell in a left-right sliding manner, gear shafts are symmetrically and fixedly connected to the upper portion and the lower portion in the shell, gears are rotationally connected to the outer sides of the gear shafts and engaged with the driving rack, a lower swing rod is fixedly connected to the right side of the upper gear, and an upper swing rod is fixedly connected to the right side of the lower gear. During use, the extension length of the scalpel can be well adjusted, the adhesion position of the clitoris can be better cut and separated conveniently, in addition, the lips on the two sides of the clitoris can be well clamped through the upper auxiliary device andthe lower auxiliary device, then the skin is separated, the clitoris can be exposed more sufficiently and thoroughly, and the operation is convenient. Great convenience is provided for the operation process, and the use experience is greatly improved.

The invention discloses an intelligent device for ring-groove cutting and stripping of fruit tree epidermis. The device includes a transverse plate, wherein the left and right ends of the upper surface of the transverse plate are all fixed with rotating plates through fastening bolts, and the upper surfaces of the rotating plates are provided with blades; by adjusting the meshing area between an upper insection and a lower insection to adjust the stretching length of the blades, the depth of the fruit tree girdling is adjusted. When the girdling operation on the fruit tree is conducted, a baffle is squeezed to move, so that the edge of the blade is exposed; meanwhile, after the girdling operation on the fruit tree, the baffle is reset under the influence of a spring of a adjusting device of the clapboard, thereby improving the safety of the device for ring-groove cutting and stripping of the fruit tree epidermis. On the basis of different fruit trees, the intersection angle between a rotating plate and the transverse plate is adjusted, therefore the device for ring-groove cutting and stripping of the fruit tree epidermis has a strong adaptability. The side of a handle is provided with an antiskid rubber pad which can increases the comfort of the user. The device for ring-groove cutting and stripping of the fruit tree epidermis has the advantages of a simple structure, low costs and convenient operation, thereby improving the efficiency of ring-groove cutting and stripping of fruit tree epidermis.

The invention relates to the field of sand casting, and discloses a molding sand collecting and cooling device. The molding sand collecting and cooling device comprises a sand bin, a sand conveying pipe and a sand conveying fan. A feeding hopper is arranged on the sand conveying pipe. An air outlet is formed in the top of the sand bin. A feeding device is arranged between the feeding hopper and the sand conveying pipe and comprises a shell and a sand conveying wheel. The sand conveying wheel comprises a rotating shaft and sand conveying blades. A sand conveying channel is arranged at the bottom of the sand conveying wheel and the bottom of the shell. The sand conveying fan and the sand conveying pipe are connected to the two ends of the sand conveying channel correspondingly. The molding sand collecting and cooling device has the following advantages and effects that high-pressure air generated by the sand conveying fan pushes molding sand to enter the sand bin at the high position through the sand conveying pipe to be stored, the conveying height of the molding sand is increased, and heat exchange cooling and dust removal are carried out on the molding sand while cost is reduced; and the sand conveying fan pushes the sand conveying wheel to rotate while conveying the molding sand, the molding sand enters the sand conveying pipe in one direction, splashing of the molding sand at a sand inlet is avoided, and the conveying stability and safety of the molding sand are improved.

The invention discloses a contact pressure type disposable hemostix with a spring guide structure, which comprises a blood sampling barrel, a puncture structure, a guide structure and a contact pressure structure, a plurality of through grooves are sequentially formed in the side wall of a guide barrel in the direction away from an opening of the blood sampling barrel, a baffle movably penetrates through any through groove, an extrusion cylinder is movably arranged on the outer side of the guide cylinder in a sleeving mode, and presses the baffles into the guide cylinder and blocks an ejection spring, and extending grooves matched with the baffle is formed in the side wall of the extrusion cylinder. In use, the contact pressure type disposable hemostix realizes the segmented release of the ejection spring through the arrangement of the baffles, the guide cylinder and the extrusion cylinder, so that the ejection spring is released more uniformly and controllably, the extension length of the ejection spring is controlled by selecting different adjusting holes, and different puncture depths can be adjusted according to personal needs, so that the applicability of the whole device is wider.

The invention discloses a backstepping fruit bagging device, and relates to the technical field of agricultural machinery. The backstepping fruit bagging device comprises a first rotating rod, a second rotating rod and a bag, wherein the first rotating rod is rotatably connected with the second rotating rod through a pin, mounting plates are fixedly connected to the top of the first rotating rod and the top of the second rotating rod, and mounting blocks are fixedly connected to the sides, close to each other, of the two mounting plates; and pressure plates are fixedly connected to the bottomsof the two mounting blocks through compression spring rods, and the sides, away from each other, of the two pressure plates are slidably connected to the sides, close to each other, of the two mounting plates. According to the backstepping fruit bagging device, the bag can be positioned through cooperation of the first rotating rod, the second rotating rod, the compression spring rods, the pressure plates, sliding grooves, fixing plates, magnetic plates and magnetic belts, and bagging can be performed conveniently; and the bagging effect can be better through arrangement of adhesive tapes, and good sealing performance, a simple structure and convenient bagging are achieved.

The invention relates to chamfering equipment convenient for multi-surface machining for piston machining. The equipment comprises a water containing box body, a base and a threaded fixing block, a water flowing inclined plate is fixed in the water containing box body, a water conveying pipe is arranged below the water flowing inclined plate, the base is located on one side of a water pump, a connecting block is connected to the upper portion of a first fixed-distance rotating mechanism, and a connecting plate is connected to the other end of a first spring. The beneficial effects of the invention are that: for the chamfering equipment convenient for multi-surface machining for piston machining, through the first fixed-distance rotating mechanism, the equipment can perform multi-surface machining on the piston; the equipment can adjust the angle of the grinding disc, so that the equipment can perform multi-angle processing; through the height adjusting mechanism, a worker can conveniently adjust the position of the piston, machining of the equipment is facilitated, the equipment makes continuous contact with the piston, the equipment is convenient to replace the piston, meanwhile,the functions of dust falling and heat dissipation are achieved, the equipment can also reinforce the piston, and the situation that machining is affected due to shaking of the piston in the machiningprocess is prevented.