55results about How to "Won't block the line of sight" patented technology

The invention discloses a liftable medical push cabinet, comprising a bottom box, the top of the bottom box is movably connected with a top box, the back of the inner wall of the bottom box is provided with a mechanical groove, and the bottom of the mechanical groove is provided with a The top of the bottom box is provided with a lift slot corresponding to the position of the top box. The bottom of the placement slot is fixedly connected with an electric telescopic rod, and the tops on both sides of the electric telescopic rod are fixedly connected with a fixed rod. The end of the rod far away from the electric telescopic rod is movably connected with a connecting rod, and the end of the connecting rod far away from the fixed rod is movably connected with a rotating rod. One side is fixedly connected with a transmission shaft, both sides of the bottom of the mechanical tank are fixedly connected with a fixed column, and the top of the fixed column is fixedly connected with a support block. When the user of the present invention is pushing, the sight line of the user will not be blocked, and the patient or the wall will not be hit, so as to avoid causing harm.

The invention provides vehicle window glass with a heating function and belongs to the technical field of automobile parts, and the vehicle window glass with the heating function can be used for solving the problems such as poor defogging effect and the like of the existing vehicle window glass. The vehicle window glass with the heating function comprises a flaky body made of a glass material, wherein the body is provided with a temperature sensor I capable of detecting the internal temperature of the body and a temperature sensor II capable of detecting the external temperature of the body; both the temperature sensor I and the temperature sensor II are connected with a vehicle-mounted computer; the body is also internally provided with a heating wire connected with the vehicle-mounted computer; when the temperature difference of the temperature sensor I and the temperature sensor II is higher than a set value, the vehicle-mounted computer can electrify the heating wire; and when the temperature difference of the temperature sensor I and the temperature sensor II is lower than the set value, the vehicle-mounted computer stops supplying power to the heating wire. The vehicle window glass with the heating function has the advantages that the defogging effect is good, fog can be prevented from being generated, and the like.

The invention discloses a gauge remote digital image acquisition device which comprises a camera and a reflecting mirror. The camera is located out of a digital reading area of a gauge counter, and the reflecting mirror reflects images from the gauge counter to the camera. The gauge remote digital image acquisition device uses the reflecting mirror to reflect the images from the gauge counter to the camera, enables a light path between the gauge counter and the camera to be lengthened, accordingly still can acquire digital images of the gauge counter even if the camera deviates from the digital reading area, prevents manual meter reading from being shielded due to existing of the camera, and furthermore can accurately and clearly obtain images due to the facts that the light path is lengthened in a limited size, and accordingly the wide angle and the focal distance of the camera can both be effectively adjusted. The gauge remote digital image acquisition device is simple and reliable in structure, has miniaturization and modularization design, and can be widely used in a remote automatic meter reading system and other systems which need to obtain the images remotely.

The invention provides a pedestrian protection airbag device and a vehicle, which relates to the technical field of the protection airbag on the automobile. The pedestrian protection airbag device comprises an airbag accommodating tube, a protection airbag, a gas generator, a detection element and a control element; The protective airbag is arranged in the airbag accommodating pipe, one side of the airbag accommodating pipe is arranged on the A-pillar of the automobile, and the other side is arranged on the automobile wing; The protective airbag is connected with a gas generator, the gas generator is connected with a control element, and the detection element is connected with the control element. When a collision occurs, the detection element transmits collision information to the controlelement, which controls the start of the gas generator to inflate the protective airbag so that the protective airbag is ejected from the airbag accommodating tube and the position of the A-pillar and the engine compartment rail of the vehicle can be shielded. An automobile pedestrian protection airbag device is provided. The invention solves the problems of complex structure, high cost and easyblocking of sight of the airbag device in the prior art.

The invention discloses a small screen touch control and large screen display integrated machine. The machine comprises a large display panel, a small touch control panel and a host. The small touch control panel is located below the large display panel or below the portion beside the large display panel, and the small touch control panel and the large display panel are attached to the rear side of the same transparent screen protection glass. The small touch control panel and the large display panel are connected with the host through wired communication interfaces or wireless communication modules separately.

The invention provides an oral cavity examination device for the department of oral medicine, and belongs to the technical field of medical apparatus and instruments. The lower end of a connecting column is rotationally connected with the upper end of a supporting rod, and the upper end of the connecting column is movably connected with an outer sleeve; an inner sleeve is sleeved with the outer sleeve, an oral cavity endoscope is connected with one end of the inner sleeve through an angle adjusting mechanism and is away from an L-shaped structural rod piece; a ring-shaped LED lamp is arrangedat the end, close to the oral cavity endoscope, of the outer sleeve in the axial direction, and a tongue press mechanism is arranged at the bottom of the outer sleeve and close to the LED lamp; a supporting module comprises an upper supporting body and a lower supporting body which have the same structure and arranged in a vertically symmetric manner, the upper supporting body is of a U-shaped structure, and V-shaped clamp grooves are formed in the tops of two ends of the upper supporting body; the middle of the upper supporting body is located above a groove and fixedly connected with a supporting rod; and a slider is in screw joint with the upper end of the supporting rod, and the middle of the lower supporting body is fixedly connected with the slider. According to the oral cavity examination device for the department of oral medicine, pathologic conditions in the oral cavity can be collected in a multidirectional manner by the oral cavity endoscope and the angle adjusting mechanism, meanwhile, the sight of a doctor cannot be blocked, and observation and use of the doctor are convenient.

The invention relates to the technical field of teaching instruments, in particular to a multi-screen display device for information technology teaching and a use method thereof. The multi-screen display device comprises a base, a mounting cylinder, a protection device and an expansion device; the mounting cylinder is fixedly connected to the middle of the upper end of the base; an adjusting sleeve is slidably connected to the outer side of the mounting cylinder; the other end of the adjusting sleeve is fixedly connected with a shell; the rear end of the adjusting sleeve is fixedly connected with a limiting bolt through threads; the middle of the upper end of the shell is fixedly connected with a controller; the inner side of the front end of the shell is fixedly connected with a main display screen; and the rear side of the main display screen is provided with an auxiliary display screen. Through the arrangement of the mounting cylinder, the adjusting sleeve, the limiting bolt and a bidirectional motor, the overall height and the overall angle of the device are convenient to adjust, automatic push-out and automatic storage of the auxiliary display screen can be achieved, the main display screen can be shielded and protected when the device is in a shutdown state, and the service life of the main display screen is prolonged.

The invention discloses a range hood which comprises a shell arranged at the rear side of a cooking bench, wherein an oil fume sucking device is arranged inside the shell, and an oil fume outlet is arranged on the shell; and the range hood is characterized by also comprising an oil fume purifying device communicated with the oil fume sucking device, wherein an air outlet of the oil fume purifying device is communicated with an air duct, the air duct is arranged at the left and the right sides and in front of the cooking bench, and a plurality of air outlets are arranged above the air duct. According to the range hood disclosed by the invention, an air curtain formed by the air duct is adopted to prevent the oil fume from spreading outside, therefore, the oil fume exhausting rate of the range hood can be improved, and the range hood has a simple and reasonable structure, occupies small space, is convenient to install, does not block the sight line of a cook, and is convenient to operate; in addition, the range hood has extremely exquisite and attractive appearance and is extremely applicable to the configuration of the modern and fashionable kitchenware.

The invention relates to the field of mechanical structures, in particular to an anti-theft guard bar switch with a tension spring and a manufacturing method of the anti-theft guard bar switch. The anti-theft guard bar switch comprises a shell, a zipper, the tension spring and alarm equipment. The shell is rectangular, and mounting convex points and mounting holes are formed in the shell. The tension spring, the zipper, the alarm equipment and a contact switch of the alarm equipment are arranged in the shell. When the zipper is pulled by external force, the contact switch of the alarm equipment sends alarm signals to the alarm equipment connected with the contact switch. When external force is removed, the tension spring shrinks inwards to reset, and the contact switch resets and is in a standby mode. Guard bar switches are mounted on a wall on the left side of a window and a wall on the right side of the window, an alarm host connected with the alarm equipment can give out alarm information according to set alarm programs, the internet of things can be formed through a communication network, and therefore remote control is achieved.

The present invention relates to a new type of automobile front visor, comprising a sun visor storage box, a connecting buckle and a top slot, the connection buckle is symmetrically arranged in the top slot of the sun visor storage box, and the sun visor is stored The top of the box is provided with a rotating column and a fixed column, and the rotating column is set above the fixed column, and the fixed column is nested in the inner cavity of the top card slot through a connecting buckle, and both sides of the inner wall of the visor storage box are An internal slide rail is provided, a rubber sleeve is provided at the bottom of the visor storage box, a business card storage box is provided on one side of the visor storage box, and a rotating shaft is provided at the bottom of the business card storage box, through which the light filter plate and half The transparent plate is used to block the sunlight. When using at night, store the filter plate and the translucent plate in the inner cavity of the shading plate storage box to block the strong light at night and reduce the occurrence of night accidents. Ladies need to touch up makeup when driving. Pull it down for use, and push it into the inner cavity of the visor storage box after use.

The invention belongs to a detachable security window structure and particularly relates to a multifunctional burglar mesh window. The multifunctional burglar mesh window comprises a window frame, cross bars, vertical bars and a disconnection alarm. The cross bars and the vertical bars are fixed into the window frame in a transversely and vertically staggered mode and fixedly connected, and wires are arranged in the cross bars and the vertical bars. Two leading-out ends of each wire enter the disconnection alarm. The multifunctional burglar mesh window is safe, reliable, simple, economical and low in manufacture cost; the sight of a resident will not be blocked regardless observation from inside to outside or from outside to inside, and the environment is beautified; when a person passes through the burglar mesh window violently, the burglar mesh window can effectively send out an alarm signal to achieve the purpose of prevention of burglary.

The invention belongs to the technical field of glass, and particularly relates to medium-aluminum glass capable of absorbing ultraviolet rays and a preparation method and application of the medium-aluminum glass. The medium aluminum glass comprises the following components in percentage by weight: 59%-66% of SiO2, 8%-12% of Al2O3, 13%-18% of Na2O, 5%-8% of K2O, 3%-8% of MgO and 0.2%-1.2% of CeO2, wherein the total amount of the SiO2, the Al2O3, the Na2O, the K2O and the MgO is 100%. The ratio of the total mass of CeO2, K2O and Na2O to the mass of Al2O3 is 1.75 to 3. The medium-aluminum glass capable of absorbing the ultraviolet rays has excellent ultraviolet ray absorption efficiency, low softening point temperature and high stress layer depth, is particularly suitable for the fields of automobile body glass and the like, can meet the requirement of hot bending shaping of the automobile body glass, has strong absorption on the ultraviolet rays, reduces the harm of ultraviolet radiation to a user, and is suitable for popularization and application. Meanwhile, the visible light transmittance is high, and the visual field of a user cannot be affected.

The invention relates to the technical field of mosquito nets, and in particular relates to a ceiling-mounted mosquito net which can be used for achieving height adjustment. The ceiling-mounted mosquito net comprises an oval mosquito net top, a mosquito net curtain, and at least two height adjusting frames which are arranged at the top end of the oval mosquito net top, wherein each height adjusting frame comprises an upper aluminum sheet and a lower aluminum sheet which are the same in structure, as well as an X-shaped supporting frame which is arranged between the two aluminum sheets; grooves are formed in centers of inner side surfaces of the upper aluminum sheet and the lower aluminum sheet; the X-shaped supporting frame is clamped in the grooves. According to the ceiling-mounted mosquito net disclosed by the invention, the required height can be adjusted according to the mounting needs, so that inclination due to uneven ceiling is avoided, the ceiling-mounted mosquito net can be laterally folded on the wall in daytime without blocking light rays, and the ceiling-mounted mosquito net is convenient and reliable to use.

The invention discloses a heat dissipating and preserving dual-use cup, and relates to the field of vacuum cups. The heat dissipating and preserving dual-use cup includes a cup cover, a cooling body and a vacuum cup bottle body; the cup cover is connected with the cooling body in a threaded mode and a cooling chamber is formed, and the cooling body is connected with the vacuum cup bottle body in athreaded mode and a heat preserving chamber is formed; a valve seat with a fixed supporting sleeve is fixed to the bottom of the cooling body to form a liquid flow channel from the heat preserving chamber to the cooling chamber, a steel ball valve is arranged in the fixed supporting sleeve and abuts against the upper end of the valve seat, and a flow channel connected with the liquid flow channelis arranged in the fixed supporting sleeve; and controlling the opening and closing of the liquid flow channel is realized by the steel ball valve moving up and down along the fixed supporting sleeveunder own gravity, so that liquid in the heat preserving chamber is transferred to the cooling chamber through the liquid flow channel and the flow channel, and cooling is carried out through a plurality of heat dissipation bars distributed evenly around the cooling body. The heat dissipating and preserving dual-use cup integrates two functions of cooling and heat preservation, the problem that the water temperature in the vacuum cup is too high to drink immediately is effectively solved, and the situation that the sight of a user is blocked when drinking water is improved.

The invention relates to the field of protection and alarm of mechanical structures, in particular to an archaizing guard bar with alarm boxes and a manufacturing method of the archaizing guard bar. The archaizing guard bar comprises a guide bar body, a hinge and the alarm boxes. The guard bar body is connected to and installed on a window through the hinge, and the alarm boxes are installed on a wall on the left side of the window and a wall on the right side of the window. When being climbed or pushed and pulled or treaded by a thief or bearing other external force, the guard bar can rotate by a certain degree with the hinge on the lower portion as the axis, alarm equipment in the alarm boxes is opened, an alarm host connected with the alarm equipment begins to give out alarm information according to set alarm programs, the internet of things can be formed through a wired or wireless communication network, and therefore remote control can be achieved.

The invention relates to the technical field of medical instruments, and provides a high-speed turbine handpiece. Comprising a machine handle and a machine head assembly, and the machine head assembly is installed at the front end of the machine handle; wherein a machine needle is clamped and mounted in a machine head shell of the machine head assembly; a machine head cover is installed at the end, close to the machine handle, of the machine head shell, a nozzle sleeve is installed on the inner side end face, away from the machine handle, of the machine head cover, and a gas flowing cavity is formed by the arc-shaped side wall and the bottom protruding edge of the nozzle sleeve, the inner wall of the machine head shell and the inner side end face of the machine head cover. More than two vent holes are formed in the arc-shaped side wall of the nozzle sleeve, high-pressure gas in the gas flowing cavity drives the turbine to rotate through the more than two vent holes, and at least one vent hole always provides the maximum torque for the turbine. The invention has the beneficial effects that after the bur is mounted, the central axis of the bur and the central axis of the machine handle form a certain included angle, so that a doctor can conveniently drill, grind, cut and other complex operations on teeth of a patient, and the sight of the doctor cannot be blocked.

The invention discloses an unmanned-aerial-vehicle holder protection device. The unmanned-aerial-vehicle holder protection device comprises an unmanned-aerial-vehicle body, a holder body, a hanging rod, a camera, a protection mechanism and a shock absorption mechanism, wherein the holder body is fixed to the middle of the lower surface of the unmanned-aerial-vehicle body, a hanging rod is fixed tothe middle of the lower surface of the holder body, the camera is installed at the lower end of the hanging rod, the protection mechanism is arranged in the middle of the lower surface of the unmanned-aerial-vehicle body, is located outside the holder body, the handing rod and the camera, and comprises an upper installing ring and a lower installing ring, the lower installing ring is located below the upper installing ring, four standing columns are evenly fixed between the upper installing ring and the lower installing ring, and rollers are inserted to the circumferential outside of the standing columns. According to the unmanned-aerial-vehicle holder protection device, by arranging the protection mechanism, it can be avoided that external hard matter and the holder and the camera are collided in the flight process through the protection mechanism, sight of the camera cannot be blocked no matter how the holder rotates, the holder is protected, and the camera is also protected.

A window warning panel with a wireless transmitter comprises a horizontal elastic connecting piece, a warning panel and a warning device arranged on the warning panel.A steel wire is bent to form the horizontal elastic connecting piece, the warning panel is parallelly fixed to the horizontal elastic connecting piece by a bolt through a mounting hole of a fixed plate, and the warning device is arranged in the warning panel or on the inner side of the warning panel.A mounting pin is fixed to the side wall of a window by a bolt through a mounting hole of a fixing piece, and the warning panel is erected on the window to be parallel to the outer wall.When external force climbing or treading is encountered, an elastic body of the connecting piece is twisted through a certain angle, an alarm mainframe connected with the elastic body sends out alarm information according to set warning programs; and the Internet of Things can be formed through the network so as to perform remote control.

The invention discloses a protection device on a welding gun, and belongs to the technical field of welding equipment. The protection device comprises a handle, a welding gun tube and a protective cover; the handle and the welding gun tube are in vertically fixed connection; one end of the welding gun tube is connected with a welding gun mouth; the protective cover is arranged out of the welding gun mouth; and the tail end of the protective cover is connected with the welding gun tube. The protection device on the welding gun has the following beneficial effects: the protective cover of the protection device on the welding gun can directly cover a welding position of workpieces to be welded to improve comfort and flexibility of the welding operation; the protection device can stop sparks, welding chips and hard light generated in the welding operation to prevent leakage so as to protect eyes and other body parts of operators, and meanwhile, the sanitation problem of the working environment caused by splashing of iron chips can be reduced, and unnecessary potential safety hazards are reduced; and the protection device is simple in structure and low in production cost, can adjust the position of the protective cover in the welding gun tube, and cannot stop the sights of the operators in use.

The invention relates to the field of protection and alarm of mechanical structures, in particular to an archaizing guard bar with alarm boxes and a manufacturing method of the archaizing guard bar. The archaizing guard bar comprises a guide bar body, a hinge and the alarm boxes. The guard bar body is connected to and installed on a window through the hinge, and the alarm boxes are installed on a wall on the left side of the window and a wall on the right side of the window. When being climbed or pushed and pulled or treaded by a thief or bearing other external force, the guard bar can rotate by a certain degree with the hinge on the lower portion as the axis, alarm equipment in the alarm boxes is opened, an alarm host connected with the alarm equipment begins to give out alarm information according to set alarm programs, the internet of things can be formed through a wired or wireless communication network, and therefore remote control can be achieved.