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

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 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 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 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 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 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.

The invention discloses a heat-conducting and flame-retardant double-sided adhesive tape that can be stretched and removed, and belongs to the application field of adhesive tapes. The double-sided adhesive tape comprises successively a release profile layer, a first pressure-sensitive adhesive layer, a substrate layer, a second pressure-sensitive adhesive layer, and a release profile layer; or sequentially comprises the first pressure-sensitive adhesive layer; the base material layer, the second pressure-sensitive adhesive layer A sensitive adhesive layer and a release profile layer; wherein, the substrate layer and the release profile layer are pasted through the first pressure-sensitive adhesive layer and the second pressure-sensitive adhesive layer respectively. The invention adopts a modified base material layer and adds flame-retardant and heat-conducting components to the adhesive, so that the adhesive tape can improve the flame-retardant and heat-conducting properties of the adhesive tape while ensuring the original adhesive force. When unbonding electronic devices or mobile phone batteries and other components, and removing the tape at 60-90°, the double-sided tape can also be easily pulled out without breaking between the pasted objects, providing convenience for later rework, maintenance and other processes , providing work efficiency.

The invention discloses a high-convenience novel spraying machine for an automobile. The novel spraying machine comprises a machine body, wherein a storage frame is arranged on the machine body, a driving motor is arranged in the storage frame, and a first connecting bearing is coaxially arranged on an output shaft of the driving motor. A roller is arranged on the first connecting bearing, and anannular storage groove is formed in the roller. A connecting disc is coaxially fixed on the output shaft, and a connecting spring is fixedly arranged on the connecting disc. The position, close to theconnecting disc, of the output shaft is sleeved with a connecting sleeve, and the connecting sleeve is fixedly connected with the connecting spring. An electromagnet I is fixedly arranged in the connecting disc, and an electromagnet II is arranged on the outer circumferential surface of the roller. A limiting frame parallel to the output shaft is arranged on the storage frame, a limiting groove is formed in the limiting frame, and a pressing mechanism is arranged in the storage frame. A second connecting bearing is arranged in the storage frame, and a conical positioning cylinder is arrangedin the second connecting bearing. A positioning circle center hole is coaxially formed in the output shaft. The automatic winding of a water pipe can be realized by the spraying machine, and meanwhile, the water pipe can be firmly and compactly stored on the spraying machine.

The objective of the tire support during tire puncture of the present invention is the use of the tire support such that the size of a ground-contacting section of the outer diameter of the tire support is close to the size of the outer diameter of the space within the tire, the connection strength of tire support sections is maintained, the use of the tire support is easy, and a level difference resulting from the gap at the joint formed between tire supports is small.