49results about How to "Easy pull out" patented technology

The connector includes an enclosure including insertion holes formed therein, into which tip end portions of coaxial cables provided with signal terminals and with ground terminals arranged at parts of peripheries of the signal terminals are inserted, and auxiliary ground conductors, which are retained by the enclosure, are electrically connected to the ground terminals, and are arranged at other parts of the peripheries of the signal terminals.

The invention provides a 3D packaging film winding machine. The 3D packaging film winding machine comprises a feeding device, a packaging film winding device and a discharging device. The packaging film winding device comprises a main machine frame and a rotating frame, a packaging film containing assembly is arranged on the rotating frame, the packaging film containing assembly comprises an assembly frame, a main roller and an auxiliary roller, and particularly the packaging film containing assembly further comprises a connecting frame, a driving rotating wheel, a driving frame, a guide plateand a connecting rod. The front end of the connecting frame is connected with the rotating frame, the rear portion of the connecting frame is connected with the assembly frame and the driving rotating wheel through a rear shaft, and a guide groove is formed in the front portion of the inner side of the connecting frame. The guide plate is arranged in the guide groove and penetrates through the rotating frame to be connected with the driving frame. The connecting rod is arranged on the inner side of the guide plate, and the two ends of the connecting rod are connected with the driving rotatingwheel and the guide plate. A rotary conveying device is further arranged between the packaging film winding device and the discharging device. The rotating frame drives the packaging film containingassembly to rotate to achieve film coating of the upper-lower and left-right four faces of a product, then a rotating table device rotates to complete full film coating of the six faces of the product, and the 3D packaging film winding machine has the characteristics of being rapid, stable and efficient in film coating.

The invention discloses a preparation method of a novel AB adhesive film. The novel AB adhesive film comprises a first release layer, a first adhesive layer, a second adhesive layer and a second release layer, wherein the first adhesive layer and the second adhesive layer are arranged up and down and directly bonded together, the first release layer is bonded on the upper side of the first adhesive layer, and the second release layer is bonded on the lower side of the second adhesive layer. The preparation method comprises the steps: 1, preparation of the first release layer; 2, preparation ofthe second adhesive layer, and bonding of the first release layer, the first adhesive layer, the second adhesive layer, and the second release layer. The preparation method is ingenious in conception, reasonable in structural arrangement, softer in material, good in following performance, better in consistency and fitness of electronic product protection and better in sensitivity for fingerprintunlocking products.

The invention discloses an optical fiber wire arranging frame which comprises a panel and is characterized in that the panel is provided with a wire embedding groove, a wire arranging groove and an optical fiber connector; a hook opening is formed in the wire embedding groove; a plurality of separation blades are arranged on the wire embedding groove at intervals along the vertical direction, oneside of each separation blade is fixedly connected with one side edge of the wire embedding groove, and a gap is reserved between the other side of each separation blade and the other side edge of thewire embedding groove; a plurality of limiting elastic pieces are arranged in the wire arranging groove at intervals in the vertical direction, one end of each limiting elastic piece is fixedly connected with the inner wall of one side of the wire arranging groove, and a gap for a cable of an optical fiber to pass through is reserved between the other end of each limiting elastic piece and the inner wall of the other side of the wire arranging groove; and a supporting bracket is arranged above the wire arranging groove, a wire hooking frame is arranged between the supporting bracket and the optical fiber connector, and the position height of the supporting bracket is larger than that of the wire hooking frame. The optical fiber wire arranging frame can pre-embed standby optical fibers, can arrange newly connected cables, is simple to use, enables optical fiber wiring to be concise and tidy, and can improve the working efficiency.

The invention relates to the field of cables, and particularly discloses a cable production line. The cable production line comprises a winding device; the winding device comprises a base and a supporting vertical column fixedly mounted on the base; a supporting rotating shaft is rotationally erected on the supporting vertical column; a winding plate is fixedly mounted at the end part of one sideof the supporting rotating shaft; two lifting blocks are separately mounted on the winding plate through adjusting components; winding rods are detachably mounted on the two lifting blocks; and an anti-falling block is arranged at the end part of each winding rod. According to the embodiment of the invention, the relative position between the two lifting blocks is adjusted according to the rotation direction of a rotating screw rod to further adjust the relative position between the two winding rods, so that different cable winding effects are met; and the direction of an inclined surface of alocking block is adjusted, so that the winding rods are conveniently and quickly dismounted, and the use is convenient.

The invention, which relates to the field of communication equipment, particularly discloses a high-density optical fiber adaptor module comprising an adaptor cylinder with two open ends; a connectoris detachably mounted at the opening at one end of the adaptor cylinder; and an optical fiber is installed at the opening at the other end of the adaptor cylinder detachably by a clamping assembly andwraps the outer ring of a fiber core. Besides, an adjusting assembly for pushing the optical fiber to move towards the connector is also arranged at the other end of the adaptor cylinder. A connecting column extending into the adaptor cylinder is arranged at one side of the connector; and a protection layer coating the outer ring of an insertion core is fixedly installed on the connecting column.A mounting assembly for locking and fixing the connecting column is installed at the opening of the end portion of the adaptor cylinder. According to the embodiment of the invention, the adjusting assembly pushes the optical fiber on the clamping assembly to move towards the connector until the fiber core on the optical fiber is in butt joint with the insertion core, thereby realizing the adaptoreffect. With the mounting assembly, the dismounting, mounting, and maintenance of the adaptor block become convenient; and the operation becomes convenient.

The invention discloses a steel structure beam column. The steel structure beam column comprises a stand column, wherein a groove is formed in the stand column; the stand column is connected with a cross beam through the groove; rotating grooves are symmetrically formed in the two sides of the cross beam; supporting rods are rotationally connected into the rotating grooves through pin shafts; sliding grooves are formed in the supporting rods; extension rods are connected into the sliding grooves in a sliding mode; the extension rods penetrate through the sliding grooves; the ends, located outside the supporting rods, of the extension rods are rotationally connected with movable seats through pin shafts; and bases are welded and fixed to the bottoms of the movable seats. The steel structure beam column has the advantages that when connecting blocks are pressed into the groove, straight rods slide, so that compression springs in an extrusion state in a cavity are pushed into a cavity; and the compression springs release stored elastic potential energy, so that a baffle is pushed to slide, a fixing block is clamped between two triangular blocks, the two triangular blocks cannot be retracted, then the cross beam is fixed, the strength of the cross beam is guaranteed, and meanwhile, the installation process is convenient and rapid.

The invention relates to stacking devices, in particular to an easily-separated plastic frame stacking device. The easily-separated plastic frame stacking device can save manpower, and according to the technical embodiment, the easily-separated plastic frame stacking device comprises a bottom plate, a frame body, and a supporting assembly, supporting plates are fixedly connected to the two sides of the top of the bottom plate, the frame body is fixedly connected to the supporting plates, the supporting assembly is mounted on the frame body, and is used for supporting plastic frames, through anextrusion assembly, the plastic frame on the bottommost portion can be extruded down, through a machine, the plastic frames can be separated, a person can save more power, through the effect of a guide roller, friction force can be reduced, and the person can more easily pull the plastic frames out of the bottom plate.

The invention discloses a drawing type air filtering window with replaceable filter screens, comprising a shell and a filtering device in the shell, wherein the shell comprises an outer shell and an inner shell; the inner shell is located in the outer shell, first sliding rails are arranged on two sides of the inner bottom face of the outer shell, the inner shell is slidably connected with the first sliding rails through sliding wheels fixed to two sides of the bottom face of a lower bottom plate, the filtering device comprises a plurality of air purification filter screens, a door cover is arranged at the inner side of the outer shell, one end of the door cover is connected with the bottom of the outer shell through hinges, and a fan is connected to the indoor side of the door cover. According to the drawing type air filtering window with the replaceable filter screens, the air purification filter screens can be conveniently and rapidly replaced, and people can conveniently clean andmaintain the filtering window in a later period.

The invention discloses a manual preservative-film sealing device. The manual preservative-film sealing device is mainly characterized in that a sector-shaped shaft base plate is arranged at the right end of a handle, and a hollow shaft used for being sleeved with a paper-sleeve inner hole of a preservative film in an inserted manner is arranged on the inner end face of the sector-shaped shaft base plate; the axis of the hollow shaft and the left horizontal central axis and the right horizontal central axis of a semicircular inner hole of the handle are overlapped together, and an external thread connected with a butterfly nut is arranged at the left end of the hollow shaft; a forwards-protruding horizontal boss is arranged at the front end of the handle in the left-and-right direction, lug bases are arranged at the left end and the right end of the horizontal boss respectively, and a pull rod is arranged between the left-end lug base and the right-end lug base and fastened to the left-end lug base and the right-end lug base through nuts; and a cutter used for cutting off the preservative film is arranged on the front end slope of the horizontal boss, uniformly-distributed sawtooth pointed blades are arranged at the lower portion of the cutter in the left-and-right length direction, and the cutter and the front end slope of the horizontal boss are fastened together through screws. By means of the manual preservative-film sealing device, the preservative film can be rapidly cut off to seal food, using is convenient, and the work efficiency and the economic benefits are remarkably improved.

The invention discloses an anti-surge intelligent conical socket which mainly comprises a socket, an anti-surge module and an intelligent module. The shell shape of the socket is inverted-conical. The two sides of the inverted conical shell are respectively provided with a rotatable jack plate, and the top part is provided with a power switch button for controlling the socket and a power indicating lamp. The anti-surge module comprises an anti-surge circuit board and an anti-surge indicating lamp. The anti-surge module is arranged in the inverted conical shell and connected in series with the jacks, the power indicating lamp and the power switch. The intelligent module is a small automatic wire retreating device and is arranged at the bottom part of the inverted conical shell. The anti-surge module is additionally arranged so that coupling current generated by lightning stroke can be effectively blocked, the surge protection effect can be realized and the electric appliance can be effectively protected; and the electric wire can be quickly and tidily retreated by the intelligent module so that the anti-surge intelligent conical socket has the advantages of being practical and safe.

The invention relates to a multifunctional blackboard eraser and belongs to the technical field of education supplies. The blackboard eraser comprises an eraser box (1) and an erasing part (2) which is fixed on the eraser box (1). A cavity is formed in the eraser box (1) and a dust sucking device is arranged on the eraser box (1). The dust sucking device comprises a switch (8) which is arranged at the side face of the eraser box (1), a dust sucking hole (3) which is communicated with the cavity and a dust collector (4) which is arranged in the cavity and is equipped with a power supply. The switch (8) and the dust collector (4) are in series connection. The multifunctional blackboard eraser disclosed by the invention can reduce the sprinkle of dust to prevent people who erase the blackboard from inhaling a large quantity of dust and can be used by users with different heights to enable users to erase the blackboard completely. The practicability of blackboard erasers is improved.

The invention provides a prefabricated combined wall, a prefabricated concrete assembly and a splicing method of the prefabricated concrete assembly. The prefabricated combined wall is formed by a connecting piece and at least two prefabricated slabs and comprises a connecting end, and the connecting end comprises a connecting end face, a containing part formed by a gap between wall bodies on the two sides of the connecting end, a connecting steel bar contained in the containing part and a supporting steel bar fixedly arranged in the containing part; the supporting steel bar supports the connecting steel bar, and the connecting steel bar comprises a first side close to the connecting end face; wherein the connecting steel bar can move in the containing part so as to be arranged in the containing part in an inclined state or a horizontal state, and when the connecting steel bar is arranged in the containing part in the horizontal state, the first side extends out of the connecting end face. The prefabricated combined wall is simple in structure and very convenient to construct.

The invention discloses a safety insulation ladder for operation and maintenance management of substations. The safety insulation ladder comprises an insulation ladder body, and a locking mechanism is arranged on the upper portion of the insulation ladder body and comprises a left hoop, a right hoop and a locking module. The locking module comprises a C-shaped supporting rod, a driving motor, a C-shaped locking rod, an electronic lock and a processor, one end of the C-shaped supporting rod is connected with the C-shaped locking rod through the driving motor, the electronic lock is arranged at the other end of the C-shaped supporting rod, the tail end of the C-shaped locking rod is provided with locking teeth matched with the electronic lock, and the driving motor and the electronic lock are both connected with the processor through wires. The safety insulation ladder has the advantages that remote control of the electronic lock and the driving motor can be realized by adopting a wireless remote key for controlling, and defects of direct on and off and line control are avoided; by the aid of the driving motor, control of the C-shaped locking rod can be realized, safety is greatly improved, and the safety insulation ladder is more convenient to operate.

The invention discloses a stable feeding device for silkworm breeding, and belongs to the technical field of silkworm breeding equipment. The stable feeding device comprises a supporting mechanism, aconveying mechanism, a clamping mechanism, a feeding mechanism, a transmission mechanism, a breeding mechanism and a moving mechanism, wherein the supporting mechanism comprises a supporting plate andsliding plates, the conveying mechanism comprises a rolling shaft and a rotating column, the clamping mechanism comprises a sliding block, a mounting column and clamping blocks, the feeding mechanismcomprises a positioning cylinder, the transmission mechanism comprises a hydraulic rod, a connecting frame and fixing plates, the peripheral side faces of the two fixing plates are connected with theperipheral side faces of the two sliding plates respectively, the breeding mechanism comprises a breeding box, the breeding box is in sliding fit with the four clamping blocks, the moving mechanism comprises connecting rods and rotary circular truncated cones, one ends of the four connecting rods are connected with the lower surface of the supporting plate, and the other ends of the four connecting rods are rotationally matched with the four rotary circular truncated cones respectively. According to the stable feeding device for silkworm breeding, four positioning columns are arranged insidethe breeding box, and a certain space is erected between the breeding box and a hydrophobic plate while the hydrophobic plate is positioned.

The invention relates to a clutch mechanism and a paper feeding structure of a printer applying the clutch mechanism. The clutch mechanism comprises a rotating wheel, a motor, a first gear ring, a second gear ring, a fixing frame and a clutch frame. The fixing frame is fixedly arranged on the front side of the first gear ring. The rear end of the clutch frame is connected with the second gear ringthrough a connecting structure so that the clutch frame can move in the axial direction of the second gear ring. A limiting structure is arranged between the front end of the clutch frame and the fixing frame, and a positioning structure enabling the clutch frame and the first gear ring to synchronously rotate in the circumferential direction is arranged between the clutch frame and the first gear ring. The clutch frame is located at the position where the limiting structure releases the constraint on the clutch frame in the state that a first tooth part and a second tooth part are engaged, and the clutch frame is located at the position where the clutch frame can only rotate in one direction relative to the fixing frame under the effect of the limiting structure in the state that the first tooth part and the second tooth part are disengaged. The rotating shaft is fixedly connected with the first gear ring. According to the clutch mechanism, the rotating shaft rotates to drive fewer parts to rotate along with the rotating shaft.

The invention provides a prefabricated concrete member, a prefabricated concrete assembly and a splicing method of the prefabricated concrete member and the prefabricated concrete assembly. The prefabricated concrete member comprises a connecting end, and the connecting end comprises a containing part and a connecting steel bar contained in the containing part; the containing part comprises a transverse hole or a transverse hole and a longitudinal hole which are communicated with each other, an opening of the transverse hole is formed in the connecting end face of the connecting end, and an opening of the longitudinal hole is formed in the top face of the connecting end. The connecting steel bar comprises a first side close to the connecting end face. Wherein the connecting reinforcing steel bar can move in the containing part so as to be arranged in the containing part in an inclined state or a horizontal state, and when the connecting reinforcing steel bar is arranged in the containing part in the horizontal state, the first side extends out of the connecting end face. The prefabricated concrete member is simple in structure and very convenient to construct.

The invention relates to the technical field of anchor rods, in particular to a detachable recoverable anchor rod and a construction method thereof. Including drill bit section, drill pipe section and zipper expansion fixing device, the drill bit section and drill pipe section can be spliced ​​with each other through the zipper expansion fixing device, or can be spliced ​​separately through the zipper expansion fixing device, suitable for construction at different depths; longer When the anchor is fixed, the steel wire rope is inserted inside, and the drill bit is fixed at the head end. After drilling into the anchor, the locking rod at the splicing position can be opened by turning the sleeve at the end, and the anchor is fixed at multiple positions, so that the anchor The fixing is more firm. When recovering, turn the sleeve in the opposite direction, pull the anchor rod outward, and the locking rod will automatically retract, and the anchor rod can be easily pulled out. The recovery is simple and the recovery rate of the anchor rod is high; when the short anchor rod is fixed, the internal feed screw rod , The anchor rod can be fixed by turning the end nut, and the anchor rod can be easily pulled out by loosening the nut and pulling the anchor rod outward.

The invention relates to an underground pipe gallery curing shaping device. The underground pipe gallery curing shaping device comprises a shaping frame and an adjusting layer, wherein the shaping frame comprises an outer shaping frame and an inner shaping frame, the outer shaping frame is fixedly connected with the inner shaping frame, and a grouting hole is formed in the outer shaping frame; andthe adjusting layer covers the outer wall of the inner shaping frame and the inner wall of the outer shaping frame, the adjusting layer comprises an air bag made of a flexible material, an adjustingliquid fills the air bag, the adjusting layer communicates with a high-pressure storage cavity through a flow guide pipe, and a regulating valve is arranged between the adjusting layer and the flow guide pipe. The underground pipe gallery curing shaping device is novel in structure and unique in principle, capable of assisting workers to conveniently and quickly lay the pipe gallery, capable of ensuring the pipe gallery is laid regularly and efficiently, and meanwhile, capable of facilitating auxiliary components, effectively shortening the construction period and improving the efficiency.

The invention discloses an anti-surge conical remote control socket which mainly comprises an inverted conical shell, an anti-surge module and a remote control system. The two sides of the inverted conical shell are provided with jacks, the top part is provided with a power switch button and a power indicating lamp, and the bottom part is provided with a small automatic wire retreating device. The anti-surge module comprises an anti-surge circuit board and an anti-surge indicating lamp. The anti-surge indicating lamp is inlaid in the inverted conical shell. The remote control system comprises a remote controller and a transceiver. The utilization rate of the space can be enhanced by the inverted conical shell. Meanwhile, the switch can be easily controlled by using the remote control system without walking so that electric leakage caused by contacting the socket by the wet hand can be avoided, and the electric wire can be quickly and tidily retreated by the small automatic wire retreating device. Therefore, the anti-surge conical remote control socket has the advantages of being convenient, safe and practical.

The invention discloses an optical fiber cable management frame, which includes a panel, and is characterized in that: the panel is equipped with a thread embedding groove, a thread management groove and an optical fiber connector; A plurality of baffles are arranged at intervals in the vertical direction, one side of the baffle is connected and fixed to one side of the embedding trough, and there is a gap between the other side of the baffle and the other side of the embedding trough for cable management. A plurality of limit elastic pieces are arranged at intervals along the vertical direction in the groove, one end of the limit elastic piece is connected and fixed with one side inner wall of the cable management groove, and the other end of the limit elastic piece is connected with the other side of the cable management groove. There is a gap between the inner walls for the optical fiber cable to pass through. A support bracket is set above the cable management trough, and a hook frame is set between the support bracket and the fiber optic connector. The position of the support bracket is higher than that of the hook frame. location height. The optical fiber cable management rack can pre-embed spare optical fibers, and can manage newly connected cables. It is easy to use, makes the optical fiber routing simple and tidy, and can improve work efficiency.

The invention discloses a reel, a coil clamping jaw assembly and a coil robot. A clamping groove is formed in the axial direction of the reel; the cross section of the clamping groove comprises a first side wall S1 and a second side wall S2 which extend towards an outer contour of the reel; the first side wall S1 and the second side wall S2 form an inlet and outlet P at the intersection with the outer contour of the reel; two or more clamping blocks distributed parallel to the axial direction of the reel are arranged in the clamping groove; and a spacing between the adjacent clamping blocks isG; and the clamping blocks can move so that the clamping block abuts against or are separated from the first side wall S1 or the second side wall S2 of the clamping groove. Based on the reel, the invention also comprises a coil clamping jaw assembly and a coil robot.

The invention provides a prefabricated concrete member, a prefabricated concrete assembly and a splicing method of the prefabricated concrete member and the prefabricated concrete assembly. The prefabricated concrete member comprises a connecting end, and the connecting end comprises a connecting end face, a longitudinal groove formed in the length direction of the connecting end face, a connecting steel bar contained in the longitudinal groove and a supporting steel bar fixedly arranged in the longitudinal groove; the supporting steel bar supports the connecting steel bar, and the connecting steel bar comprises a first side close to the connecting end face; wherein the connecting steel bar can move in the longitudinal groove so as to be arranged in the longitudinal groove in an inclined state or a horizontal state, and when the connecting steel bar is arranged in the longitudinal groove in the horizontal state, the first side extends out of the connecting end face. The prefabricated concrete member is simple in structure and very convenient to construct.

The invention discloses an anti-thunder extension socket. The anti-thunder extension socket mainly comprises an extension socket body, an anti-thunder module and an intelligent module. A shell of the extension socket body is in an inverted cone shape. Rotatable jack discs are arranged on the two sides of the inverted-cone-shaped shell. Power switch buttons for controlling the extension socket body and power indicators are arranged on the top of the inverted-cone-shaped shell. The anti-thunder module comprises an anti-thunder circuit board and an anti-thunder indicator. The anti-thunder module is arranged in the inverted-cone-shaped shell and connected with jacks, the power indicators and a power switch in series. The intelligent module is a small automatic takeup device and is arranged at the bottom of the inverted-cone-shaped shell. The anti-thunder module is additionally arranged, coupling currents generated by lightning strokes can be effectively blocked, an anti-thunder effect is achieved, and an electric appliance can be effectively protected. Electric wires can be rapidly and tidily put away through the intelligent module. The anti-thunder extension socket has the advantages of being practical and safe.

A gastrostomy tube of the present invention which includes a tube body formed as a cylindrical body and a leading end to which shape memory alloy pull-out prevention pieces are attached is used in combination with opening enlarging including forceps including a funnel-shaped part having a leading end divided into two, two gripping rods respectively fixed to the sides of the funnel-shaped part, and a spring part fixed to the rear end of the supporting rods.

A tape dispenser which can pull out a tape simply at the time of necessity is provided. The tape dispenser consists of a first part which supports a reel with a tape; the second part that can rotate relatively to the first part and the reel; and a tape guide part which contacts with the uppermost layer of the reel to rotate along with the first and second parts, thereby enabling the tape at the uppermost layer to carry out the movement for discharge relative to the second part.