44results about How to "Easy to pull down" patented technology

In each single-pole double-throw membrane switch, there is a microwave T type head composed of microstrip lines including one signal line as input end of high frequency signal, and two connected offset signal lines in symmetrical T shape structure. A same single-pole single-throw membrane switch is connected to each offset signal line. In microwave T type head, total of effective length b of each offset signal line and length a from offset signal line to middle point of coplane wave-guide signal line is equal to 1 / 4 wavelength of input high frequency signal. Control circuit controls on / off of two sets of single-pole single-throw to realize function of single-pole double-throw. Comparing with MEMS membrane switch, the invention solves high threshold voltage and interference of control voltage on transmission signal. Advantages are: low threshold voltage, isolation and insertion loss, and high reliability, and repeatability.

The invention discloses a ceiling rail type automatic medicine changing infusion support. The ceiling rail type automatic medicine changing infusion support comprises a first connecting rod, wherein the upper end of the first connecting rod is slidably connected with a ceiling rail, a first sliding groove with a downward opening is formed in the first connecting rod, a second connecting rod whichmoves up and down is arranged in the first sliding groove, a first spring is fixedly connected between the upper end face of the second connecting rod and the upper side wall of the first sliding groove, and a pull ring is fixedly arranged at the lower end of the second connecting rod. The function of automatically changing an infusion bottle in the infusion process is achieved, the ceiling rail type automatic medicine changing infusion support is suitable for infusion bottles of various types, and the economic applicability of the device is improved; the device is provided with the pull ring,a nurse can conveniently pull down the device, the infusion bottle can be conveniently placed, and operation is more user-friendly; and the ceiling rail mode is adopted, the freedom degree of the ceiling rail type automatic medicine changing infusion support is increased while too much space is not occupied, and the ceiling rail type automatic medicine changing infusion support is suitable for the working environment of a hospital.

The invention discloses a lampholder convenient for bulb replacement. The lampholder comprises a mounting plate arranged under a ceiling, the mounting plate is fixedly connected with the ceiling through a plurality of first locking screws, and a mounting slot is arranged at the lower side of the mounting plate; a bulb mounting seat is installed in the mounting slot, and the circumferential side, close to the bottom end of the mounting slot, of the mounting seat is provided with a flange; a plurality of inserting rods arranged in a surrounding mode are fixedly connected to the inner bottom of the mounting slot, and the flange is provided with a penetrating opening corresponding to the inserting rods; the inner bottom ends, away from the mounting slot, of the inserting rods penetrate throughthe penetrating opening and extend outwards; and the lower side of the mounting plate is provided with a plurality of fixed mechanism corresponding to the inserting rods surrounding the bulb mountingseat. In the replacement process of the bulb, the user is not required to be in a high position for a long time, the exertion procedure of unscrewing a bad bulb and replacing a new bulb can be performed on the ground, so that the shake of an upholder caused by exertion at a high level can be avoided and accidents can be avoided.

The invention relates to the technical field of installation equipment for temperature control, in particular to a remote monitoring alarm temperature controller fixing device. The fixing device comprises two fixed rods. The upper portions of the two fixed rods are connected through a connecting plate. The bottoms of the two fixed rods are each provided with a fixing shaft. A telescopic rod is movably mounted on each fixing shaft. The middle portions of the two telescopic rods are each provided with a connecting post. The two connecting posts are movably provided with two second connecting rods correspondingly. The ends, far from the corresponding connecting posts, of the two second connecting rods are connected through a rotary shaft. A pull rope is mounted on the rotary shaft through a screw. Two connecting shafts are connected through a first connecting rod. A first connecting post is fixedly mounted in the center of a connecting batten. A second connecting post and the first connecting post are connected through a spring. The remote monitoring alarm temperature controller fixing device is simple in structure, convenient to install and capable of effectively saving the installation time, and the connection strength is effectively improved.

The invention belongs to the technical field of logistics transportation devices, and particularly relates to a logistics transportation cargo loading and unloading cart. The cart comprises a containing platform which is a rectangular box, a handle is fixed to one end of the containing platform, castors are arranged at the bottom of the containing platform, a vertical pulley groove and a transverse pulley groove are formed in the upper end face of the containing platform, and the containing platform is internally provided with a containing cavity communicated with the vertical pulley groove and the transverse pulley groove; in this way, the labor intensity of operators is greatly lowered, the lumbar sprain and strain injury caused by pulling cargoes can be prevented, a liftable vertical pulley and a liftable transverse pulley are arranged, the pulleys can be lowered when the cargoes are conveyed, the stability of cargo transportation is improved by increasing the frictional force of the surface of the platform, due to the fact that in the prior art, convenience of loading and unloading needs to be considered, the upper end face frictional force is low, and the stability is poor, the transportation speed can be increased properly, and the transportation efficiency is improved.

The invention provides a portable wireless POS machine and a using method thereof. The method comprises the steps that an ID card reader is used for identifying the name of a card owner and inputtingfingerprint information, the name and the fingerprint information are compared with name information of a current paying bank card for the first time, and a paying procedure is started only when the comparison is successful. The fingerprint is used for a payment, so that code inputting is not needed, and the payment can only be made when the fingerprint used for the payment coincides with the inputted fingerprint, which is of high safety.

The invention relates to the technical field of woven bags, in particular to an environment-friendly plastic woven bag. The environment-friendly plastic woven bag comprises a woven bag main body and aplacing frame for placing the woven bag main body, wherein the placing frame comprises a base, two ends of the upper surface of the base are respectively provided with supporting columns, the upper ends of the two supporting columns are connected with an annular mounting plate, two ends of the annular mounting plate are respectively provided with a first mounting through hole, a connecting rod isfixedly connected in each first mounting through hole, the upper end part of each connecting rod penetrates through the corresponding first mounting through hole, the bottom end of each connecting rod is fixedly connected with a supporting plate, and an opening of the woven bag main body is provided with two woven bag through holes which are matched with the connecting rods. According to the environment-friendly plastic woven bag, sandy soil can be added into the woven bag main body by a single person, and in the process of adding the sandy soil, the woven bag main body can be effectively prevented from deforming and interfering with the filling of the sandy soil. Therefore, the manufacturing efficiency of flood control bags is effectively improved, and the flood control effect is improved.

The invention relates to a climbing device for hot-line work. The climbing device for the hot-line work comprises two pulley supports and a pulley hook; pulley supports comprise front rods, rear rods,sway rods connecting with the front rods and the rear rods, and first pulley mechanisms; the first pulley mechanisms comprise cable pulleys between the front rods and the rear rods, first bearings arranged on cable pulley shafts, and first bearing mounting structures; the first bearing mounting structures comprise first bearing storing cavities and first compressed springs, and the lower ends ofthe first compressed springs and outer rings of the first bearings are fixed for connecting the first bearings; the upper portions of first guide seams are provided with first spiral stopping grooves,and the locations of rope pulling pulley shafts, corresponding to the first spiral stopping grooves are provided with first spiral stopping parts matched with the first spiral stopping grooves. According to the climbing device for the hot-line work, when staff clamp through a rope ladder, the first compressed springs are compressed, the first spiral stopping parts are upwards clamped into the spiral stopping grooves, the cable pulleys are no longer rotating, the cable pulleys overlapped on the cables stop rotating, and the location of a ladder head is fixed to facilitate the staff to work.

The invention discloses a multifunctional sun visor for auxiliary driving of a new energy vehicle, which comprises a first sun visor, the top of one end of the first sun visor is engaged with one end of a first connecting rod, and the other end of the first connecting rod is connected with a fixing block. One side of the bottom is engaged, the bottom of the first sun visor is provided with a first storage tank, the inside of the first storage tank is provided with a third reel device, the other side of the bottom of the fixed block is fixedly connected with one end of the second connecting rod, One side of the second connecting rod is engaged with the top of one end of the second sun visor, the other end of the second sun visor is provided with a third storage tank, and the inside of the storage box is provided with a first scroll device. The present invention is equipped with the first sun visor and the second sun visor, so that the sunlight in the front and the side can be blocked at the same time, so as to ensure the safety of driving. Irradiate the inside of the car to cause an accident, and then realize one thing with two uses.

The invention relates to an insulating ladder for live working. The insulating ladder comprises two pulley brackets and a pulley hook, wherein each pulley bracket comprises a front rod, a rear rod, aninclined rod for connecting the front rod and the rear rod, and a first pulley mechanism; the first pulley mechanism comprises a cable pulley located between the front rod and the rear rod, a first bearing arranged on a cable pulley shaft and a first bearing mounting structure; the first bearing mounting structure comprises first bearing containing cavities formed in the front rod and the rear rod, and first compressed springs arranged in the first bearing containing cavities; first guide seams for a cable pulley shaft to penetrate are arranged at the left and right sides of the first bearingcontaining cavities; a first rotation stopping groove is formed in the upper part of one first guide seam; a first rotation stopping part, which is matched with the first rotation stopping groove, isarranged at a position, corresponding to the first rotation stopping groove, of a pull rope pulley shaft. The insulating ladder for the live working, provided by the invention, has the beneficial effects that the cable pulley lapped on the cable stops rotating when a worker climbs through a soft ladder, and the position of a ladder head is fixed so that the worker can work conveniently.

The invention relates to a ventilation cabinet, and relates to the technical field of laboratory ventilation equipment. The ventilation cabinet comprises a workbench, a left side plate, a right side plate, a wind cover, a top plate, a cabinet body, a rear back plate and a protection door. A cavity is defined by the left side plate, the right side plate, the top plate, the workbench, the protectiondoor and the rear back plate. The wind cover is fixed to the top plate, and the cabinet body is fixedly arranged at the bottom of the workbench face. A transmission synchronous assembly is arranged on the ventilation cabinet and comprises two first synchronous gears located at the upper end of the right side plate, a first synchronous belt wound around the two first synchronous gears, two secondsynchronous gears located at the upper end of the left side plate, a second synchronous belt wound around the two second synchronous gears, and a balance weight block fixedly connected with the firstsynchronous belt and the second synchronous belt. The ventilation cabinet has the effect that the protection door ascends and descends more smoothly, stably and lightly.

The invention provides an internet of things engineering teaching practical training device convenient to display. The device comprises a storage bottom frame, universal wheels, adjustable limiting frame structures, an adjustable flexible telescopic frame structure, a rubber ring, a telescopic plate, a fixed frame, a storage frame, a display screen, a limiting baffle plate, a rectangular magnet plate, a top protective cover, an adjustable protective frame structure, a fixed plate and a pushing handle. The universal wheels are installed at the four corners of the lower portion of the storage bottom frame through bolts. The adjustable limiting frame structures are installed on the left side and the right side of the storage bottom frame. The adjustable flexible telescopic frame structure isinstalled in the middle of the front side of the storage bottom frame. And the telescopic plate is inserted into the upper part of the inner side of the storage bottom frame. The protective cloth penetrates through the lower side of a collecting frame, the upper end of the protective cloth is wound around the winding rod, the protective cloth can be pulled out of the winding rod and placed on thefront side of the display screen when not used, so that the display screen can be well protected.

The invention relates to the field of objects for daily life, in particular to a convenient high-position nail driving device.The convenient high-position nail driving device comprises a machine base.A telescopic rod is arranged on the machine base and provided with a rack.A front cross beam of the rack is a guide rod.The guide rod is sleeved with a sleeve block fixedly connected to a lever, and a hammer head is arranged on the rear side of the upper end of the lever.An outer sleeve pipe is arranged on a rear cross beam of the rack, an inner supporting rod is arranged in the outer sleeve pipe, and a nail limiting device is arranged on the inner supporting rod and matched with the hammer head.According to the convenient high-position nail driving device, high-position nail driving can be achieved very conveniently and fast, the potential safety hazard of manual high-position nail driving can be eliminated, and meanwhile the high-position nail driving efficiency is improved.

The invention relates to a transport drum for the transverse axial transport of rod-shaped items for the tobacco processing industry. The transport drum (10) has a rotationally drivable drive shaft (11) which is associated with the drum portion (16). The outer circumferential surface (M) of the drum portion comprises a retainer (21) with suction openings (35) for receiving and holding the rod-shaped articles under the pressure generated by the negative pressure supply (43). A control flange (13) is provided in the retainer. The drum portion is operatively connected to the drive shaft through the negative pressure supply. The control flange is supported on the drive shaft.

The present invention relates to a pair of trousers, in particular to children's trousers, comprising a trouser body, one end of the front waist of the trouser body is sewn with a mother piece of a Velcro piece, the other end is sewn with an elastic band, and the top of the elastic band is sewn with a Velcro The sub-piece of the film, the master piece and the elastic band are joined together by the mother piece and the sub-piece, and the length of the elastic band is less than the distance between the mother piece and the elastic band. The waistband of the trousers of the present invention does not need to be designed too tight. The elastic band sewn in front of the trouser waist enhances the tightness of the trousers, so that the trousers will not fall off. Pull it down, pull it up, and then connect the mother piece and the child piece. The trousers of this design are simple and convenient, and can be easily operated by younger children.

The invention belongs to the field of sports goods, and especially relates to a multifunctional wrister. The multifunctional wrister comprises a wrister main body and a fastening belt connected with the wrister main body; the surface of the wrister main body is provided with a velcro backing, and the inner surface of the fastening belt is provided with a corresponding velcro backing; the fastening belt is connected with the wrister main body via a zipper a, and the other end of the fastening belt is provided with a zipper b; the wrister main body is formed via zipping of a zipper c and a zipper d; the zipper b and the zipper c can be zipped; and the zipper a and the zipper d can be zipped. Combination of the fastening belt with the velcro backings is realized, so that the diameter of the multifunctional wrister can be reduced; and the diameter of the multifunctional wrister can be increased via arrangement of the wrister main body formed via zipping of the zippers, and the fastening belt provided with zippers on the two ends.

The invention discloses a tree pushing device of a bulldozer. The tree pushing device comprises a cylindrical trough, a plurality of supporting feet are fixed to the lower bottom face of the trough, aconical rotating disc is inserted into the trough, a vertical rotating main shaft is molded on the lower end face of the rotating disc and hinged to the trough through a bearing, the lower end of therotating main shaft penetrates through the trough and is fixedly connected with a rotation shaft of a rotating motor, and the rotating motor is fixed to the lower end face of the trough; a circular-ring-shaped material frame is fixed to the outer side of the rotating disc, a plurality of drainage holes are formed in the material frame, and a plurality of drainage grooves are formed in the rotating disc; and a conical lifting plate is inserted into the material frame, water leaking grooves corresponding to the drainage grooves are formed in the lifting plate, and a threaded sleeve is arrangedat the center of the lifting plate and connected to a vertical lead screw in a screwed mode. According to the tree pushing device of the bulldozer, the structure is simple, and the purpose of automatically taking dewatered foamed plastic out of the material frame for spin-drying can be conveniently achieved.

The invention aims to solve the problem of management of patients in a ward, and discloses a medical management device for a multi-person ward. The medical management device comprises a first guide rail and a supporting plate; magnetic blocks are uniformly mounted on the side surface of the first guide rail; first elastic bands are symmetrically connected to the lower surface of the supporting plate; a second guide rail is arranged on the upper surface of the supporting plate; a rotating plate is installed on the left side of the supporting plate; a rotating shaft is installed between the rotating plate and the supporting plate; a spiral spring is fixedly connected between the back face of the rotating plate and the back face of the supporting plate; a suction block is installed at the outer end of the rotating plate; a sleeve is arranged above the supporting plate; guide wheels are evenly installed on the bottom face of the sleeve; second pull ropes are symmetrically connected to the left side of the sleeve; and the left ends of the second pull ropes are connected with a second turntable. The management device is convenient to install, a patient can be moved from the ward to a nurse station for dressing change, the situation that nurses walk back and forth is reduced, and the nurses can take care of more wards.

The invention discloses a multifunctional electrocar helmet. The multifunctional electrocar helmet comprises a helmet outer shell, an LED lamp belt, an LED lamp bulb, a zipper, a sun-proof mantle, an air hole, a transparent eye protector, sunglasses and a switching push button, wherein the inner part of the helmet outer shell is provided with a buffering layer, the outer part of the LED lamp belt is connected to the helmet outer shell, the outer part of the LED lamp bulb is provided with the LED lamp belt, the upper part of the sun-proof mantle is connected to the zipper, the upper part of the transparent eye protector is provided with an eye protector fixator, and the upper part of the sunglasses is connected to the helmet outer shell. According to the multifunctional electrocar helmet, the sun-proof mantle and the air hole are arranged on the helmet, especially when people ride electrocars in summer, the necks of people can be protected form being irradiated by the sun, the inner part of the helmet can be maintained to be ventilated, dry and comfortable, the LED lamp belt is also arranged on the helmet, other people can observe the people who ride the electrocars, thus the riding safety is improved, the overall dimension of the sunglasses is anastomotic to that of a groove opening on the helmet outer shell, in this way, the sunglasses can be compressed in the helmet outer shell, and the multifunctional electrocar helmet does not occupy space.

The invention discloses seamless composite fiber pipe manufacturing equipment and a seamless composite fiber pipe, and belongs to the field of composites. The seamless composite fiber pipe manufacturing equipment comprises a pipe sleeve and a spiral weaving device, wherein a base is arranged at the bottom of the pipe sleeve; the spiral weaving device comprises two symmetrically-arranged supports; the support located at the bottom end is rotationally connected to the outer wall of the base through a bearing structure; a weft supply roller and a reciprocating lead screw are rotationally connected between the two supports and are arranged in parallel; a servo motor is fixed to the bottom of one support; the output end of the servo motor is fixedly connected with the bottom end of reciprocating lead screw; a driving gear is fixed to the output end of the servo motor; and a gear ring matched with the driving gear is fixed to the outer wall of the base. According to the scheme, compared with a traditional composite fiber pipe, a seamless composite fiber pipe has higher hardness and crack resistance while having high elasticity, has market prospects and is suitable for popularization.

The invention discloses an enterprise intelligent security system based on Internet of Things. The system comprises a main body, wherein the main body is cylindrical, two ends of the main body are open, the outer surface of the main body is provided with a fixing device, one end of the inner surface of the main body is fixedly connected with a baffle plate, the inner surface of the main body is movably connected with a sleeve, the outer surface of the sleeve makes uniform contact with the inner surface of the main body, the outer surface of the end, away from the baffle plate, of the sleeve is fixedly connected with a hinge plate, and the other end of a connecting rod is fixedly connected with a camera. According to the system, a winder is arranged, after the system is connected, the camera can be pulled out, and a connecting wire of the camera extends under the action of the winder, so that the camera can be conveniently pulled down for maintenance, and the winder can automatically reset the camera after the camera is loosened after maintenance.

The invention relates to an infant numeracy and calculation device, in particular to an infant numeracy and calculation device with an alarm. The infant numeracy and calculation device comprises a box body with a battery inside, the box body is provided with a loudspeaker and an alarm switch with a buckle, and the battery, the alarm switch and the loudspeaker are sequentially connected electrically. When infants meet emergency, the alarm switch can be conveniently pulled down, the loudspeaker can send sound signals to call for parents, and accidents are avoided or measures can be taken in time. Furthermore, the bottom surface of the box body is provided with a USB (universal serial bus) charging port, and the battery can be conveniently recharged through a USB data line. The infant numeracy and calculation device overcomes the defect that an existing infant numeracy device is unitary in function, the function of alarming is given to the numeracy and calculation device, and the parents can be helped to handle various emergencies in time.

The invention relates to a tool specialized for the power transmission line work, and particularly relates to a processing device for a sunshade screen in the overhead power transmission line lead (ground wire) span. The processing device for the sunshade screen in the overhead power transmission line lead (ground wire) span comprises an insulating barrier removing tackle and an insulating endlessrope. A slide block is arranged on the insulating endless rope in a sleeving way. An operation arm is rotatably connected on the slide block. One end, which is away from the slide block, of the operation arm is connected with a pin ball through a limiting rope. The middle part of the slide block is provided with a cylindrical through hole parallel to the axis of the slide block. One side surfaceof the slide block is provided with a rectangular rotating groove parallel to the axis of the slide block. The upper end and the lower end of the slide block are fixedly connected with the insulatingendless rope through limiting clamps. The two ends of the limiting rope are the pull areas, and the middle is the pull limiting area. The pull force is high and the direction of the pull force can befreely changed so that the processing mode is simple and effective, the manpower and material resources can be saved, the operation safety is high, the sunshade screen of different materials, suspension directions and suspension positions can be processed and the lead (ground wire) can also be effectively protected.

The invention provides a shielding device. The shielding device comprises a control system, cord fabric and an operation piece; the operation piece is arranged at the bottom of the cord fabric; the control system controls the lifting of the curtain fabric; the control system comprises a supporting device and a positioning device; the curtain fabric can be connected to the supporting device is a wound manner; the positioning device is mounted in the supporting device; the positioning device comprises a positioning member and a driving member; and the positioning member locks or releases the driving member in an optional manner so that the driving member adjusts the curtain fabric to a preset height. Therefore, by setting the adjusting of the control system, the curtain fabric is conveniently unfolded and stored, the curtain fabric unfolding height is adjusted at wills, the rising and descending of the curtain fabric are effectively adjusted, and mounting demands of different types of vehicles are satisfied.