13results about How to "Prevent back and forth movement" patented technology

The utility model discloses a paper printed matter binding device which comprises a base, the outer wall of the top of the base is fixedly connected with a positioning device, and the inner wall of the top of the base is slidably connected with a punching device; according to the positioning device and the punching device, the spring buckles are matched with the limiting grooves, the punching heads are annularly arrayed along the axis of the rotating shaft and are different in size, and according to the actual binding requirements, the punching heads can be arranged on the positioning device and the punching device by rotating the rotating shaft and utilizing the matching of the spring buckles and the limiting grooves; meanwhile, during punching operation, a pressing plate is slidably connected with a connecting plate through a sliding rod, paper is firstly pressed by means of a pressure spring before the punching heads work, the situation that the punching effect is affected due to shaking of the paper is avoided, a two-way threaded rod in a clamping groove drives a clamping plate to slide, the front-back position of the paper can be clamped, and the punching efficiency is improved. The positioning threaded rod in the positioning groove enables the positioning plate to slide to position the side face position of the paper.

The utility model discloses a torsion spring and buffer's combination reset device is provided with torsion spring reset mechanism and buffer in the door leaf side part, the torsion spring reset mechanism is equipped with the lower limit position cover, the pivot and upper limit position cover that connect in proper order, and the pivot outside is equipped with the sheath and torsion spring, and is equipped with the locating sleeve and locating block at the upper limit position cover, the one end of torsion spring is connected with lower limit position cover, and the other end is connected with metric shaft sleeve and intermediate limit position cover, the utility model discloses through torsion spring + buffer and realizes the automatic reset of door leaf, and through increasing buffer, the resilience of door is reduced, prevents the back and forth movement of door leaf in the middle position, improves security.

The utility model discloses a special protective frame for glass transfer, which comprises a transfer base, an obliquely arranged stainless steel frame is arranged on the upper portion of the transfer base, a binding component convenient for fixing glass is arranged on the stainless steel frame, and fixing components convenient for fixing the glass left and right are arranged on two sides of a placing seat. By means of the rubber anti-skid plate arranged on the containing base, it is effectively guaranteed that glass is not prone to sliding in the transferring process, and meanwhile the glass is further prevented from moving front and back in the transporting process through cooperation of a fixing bandage, a fixing frame and a tightener; the left side and the right side of the glass can be effectively clamped through the adjusting seat hinged to the side of the placing seat, and the problem that the glass moves towards the left side and the right side is avoided; the safety of the glass in the transferring process is guaranteed through the arranged protective cover, hanging buckle connection between the hooks and the rapid fixing buckles is facilitated through the hooks arranged on the protective cover, and then it is guaranteed that the protective cover can be fixed to the transferring base for overall transferring.

The utility model relates to the technical field of carton sealing technologies, in particular to a full-automatic carton sealing machine which comprises a transverse plate and a positioning plate, a frame line compacting mechanism is arranged on the transverse plate and comprises a connecting block, I-shaped sliding groove columns and I-shaped sliding columns, the I-shaped sliding groove columns are fixedly connected to the two side faces of the connecting block, and the I-shaped sliding columns are fixedly connected to the two side faces of the connecting block. The I-shaped sliding groove column is connected with an I-shaped sliding column in a sliding mode, and one end of the I-shaped sliding column is fixedly connected with a connecting plate. Through the arrangement of the frame line compacting mechanism, the multi-stage electric push rod drives the connecting block, the I-shaped sliding groove column and the I-shaped sliding column to compact the bottom frame of the carton, so that the situation that the bottom frame of the carton tilts in the carton bottom sealing process of a carton sealing structure between the two conveying belts is avoided; and the adhesive tape can be better adhered to the frame of the carton, so that the situation that the adhesive tape is loosened due to infirm adhesion is reduced.

The utility model relates to the technical field of connectors, in particular to a waterproof Type-C connector female seat which comprises a metal shell, a tongue plate is connected to the rear surface of the metal shell in an embedded mode, a terminal set is connected to the outer surface of the tongue plate in an embedded mode, and a waterproof mechanism is connected to the outer surface of the metal shell in an embedded mode. The waterproof mechanism comprises a rubber cushion plate, a waterproof ring and a limiting strip, the rubber cushion plate is placed on the upper surface of the metal shell, the waterproof mechanism is integrally formed through the injection molding technology, the installation mechanism exerts downward pressure on the waterproof mechanism, and the limiting strip is located at the gap position between the front limiting bent part and the first installation foot. Through cooperation of the rubber base plate and the mounting shell, the waterproof mechanism can be prevented from falling off, the rubber base plate blocks the joint position of the upper surface of the metal shell and compensates for the extrusion sheet, and the waterproof ring blocks the gap between the metal shell and the external equipment, so that falling off is avoided, and the later waterproof capacity is improved.

The utility model provides a multifunctional multipurpose distribution box, which relates to the technical field of distribution boxes and comprises a box body and an upper cover. The box body is connected with the upper cover through a rotary connecting piece; a guide rail and a middle cover plate are arranged in the box body; the guide rail is connected with the inner side of the box body through a guide rail fixing frame, and the box body is provided with a supporting clamping base used for installing a middle cover plate. The middle cover plate is provided with a through hole used for installing the sinking frame body, and the side edge of the middle cover plate is provided with an adjusting clamping groove. Fixing buckles connected with the adjusting clamping grooves are arranged on the two sides of the sinking frame body. A knock-off hole is formed in the side edge of the box body; and a wiring terminal strip is arranged beside the knock-off hole in the box body. According to the utility model, through the arrangement of the middle cover plate, the operation space of the circuit breaker can be adjusted, the device is suitable for circuit breaker installation structures with different depths, and the distance between the device and the circuit breaker is adjusted through adjusting the sinking frame body, thereby facilitating the operation of the circuit breaker.

The utility model relates to the technical field of desktop power stations, in particular to an aluminum alloy desktop power station convenient to assemble, which comprises a base, the outer side wall of the base is fixedly connected with one side of a lifting part, and the outer wall, close to the top, of the base is movably sleeved with four circular grooves in the bottom of a power station assembly respectively. The supporting columns are installed in the supporting legs through threads, the inserting rods are inserted into the top of the box body, the shielding plate is communicated with the inserting blocks at the bottom and placed on the inserting rods, assembling can be completed, the stopping blocks are taken out and then the rotating blocks are rotated to drive the gears to rotate on the fixing shafts, and the limiting rings can prevent the gears from moving front and back during rotation. The gear rotates to drive the rack to move up and down through meshing force, then the movable column is driven to move up and down, the height of the device can be adjusted, after the device is adjusted to the proper height, the stop block is placed in the groove in the top of the supporting column, the other side of the stop block stops the gear from rotating, the effect of fixing the height is achieved, the application scene is wide, and the device is easy to install and adjust. And the use of workers is facilitated.

The utility model discloses a power supply mounting mechanism of a mining transport vehicle, which comprises a battery box body, a protective shell and a counterweight adjusting block, the protective shell comprises a bottom plate, a side protective plate and an end protective plate, and the side protective plate and the end protective plate are connected end to end in a surrounding manner; the side protection plates and the end protection plates are vertically connected to the upper surface of the bottom plate to form a containing cavity. A connecting plate is arranged at the bottom of the battery box body; the battery box body penetrates through the connecting plate through a connecting piece and is fixedly connected to the bottom plate; threaded holes are formed in the inner wall of the protective shell, and a plurality of balance weight adjusting blocks are connected with the threaded holes through bolts. And the counterweight adjusting block is used for rapidly matching and adjusting the counterweight of the power supply, so that the adhesive gravity of the mining transport vehicle meets the requirement, and the mining transport vehicle with different models can be conveniently adapted.

The utility model discloses a kind of optical communication module of improving stable reliability, comprising: upper shell, optical communication module main body, lower shell, pull belt, rivet and U-shaped rivet pressing piece;Upper shell is provided with foolproof limiting post and upper through-hole inside;Optical communication module main body includes PCBA and cable, the side of PCBA is provided with limiting card slot, optical communication module main body is placed and positioned in upper cavity, foolproof limiting post is clamped into corresponding card slot, to prevent PCBA from moving back and forth;Lower shell is provided with lower through-hole;Pull belt includes pull ring part and two left and right interval setting unlocking arms, reset spring is arranged between pull belt and lower shell;Lower shell is spliced downward in upper shell, and the upper end and lower end of PCBA are limited by upper shell and lower shell respectively;Rivet passes through upper through-hole and lower through-hole, to connect and position upper shell and lower shell;U-shaped rivet pressing piece clamps upper shell and lower shell, and its two end rivet pressing is bent. In this way, it is easy to assemble and stably position, especially PCBA is reliably positioned, to prevent shaking.

This application belongs to the field of fiber drawing machine technology and discloses a reciprocating multi-station multi-variety glass fiber ply yarn drawing machine, including a frame and a base plate. The base plate has two mounting holes, one above the other, each containing a turntable. Two sets of main shaft impeller mechanisms are slidably mounted on the turntables along the length of the frame. A tilting mechanism and a reciprocating mechanism are respectively installed inside the frame corresponding to the two turntables. The tilting mechanism drives the two sets of main shaft impeller mechanisms on the turntables to switch between working and standby positions. The reciprocating mechanism drives the main shaft impeller mechanism in the working position to slide along the length of the frame. A forced yarn splitting mechanism, a yarn blocking mechanism, a yarn arrangement mechanism, a water pipe mechanism, and an automatic yarn unloading mechanism are respectively installed on the frame corresponding to the two turntables. An automatic yarn feeding mechanism is slidably installed at the bottom of the frame. This application forms a dual-drawing station, which can independently carry out drawing operations without interference. It can be adapted to high-flow spindles or multiple spindles to increase yarn production and reduce the floor space of the production line.

The invention discloses a steel rail transport frame and a steel rail transport assembly.The steel rail transport frame comprises two bogies, the two bogies are used for being arranged in the corresponding middles of two railway flatcars in the length direction respectively, each bogie is provided with a lower frame body and an upper frame body, and the lower frame bodies are used for being installed on the corresponding railway flatcars in the left-right direction; the upper frame bodies are arranged in the left-right direction and installed on the corresponding lower frame bodies, the upper frame bodies have movement allowances for moving in the front-back direction and rotating in the circumferential direction on the corresponding lower frame bodies, the steel rails are used for being placed on the two upper frame bodies in a supported mode, and the corresponding upper frame bodies on at least one bogie have the front-back buffering effect when moving in the front-back direction. Therefore, in the process that the two railway flatcars pass through a curve and are braked or accelerated, the steel rails supported on the two bogies have the allowance for swinging and forward and backward movement relative to the two railway flatcars, and meanwhile, when the railway flatcars are braked or accelerated, the steel rails can be buffered by the bogies with the buffering function so as to be prevented from moving forward and backward.

The utility model relates to a ventilation pipe cutting device which comprises a base, a plurality of limiting rollers and a cutting mechanism, and the limiting rollers and the cutting mechanism are arranged on the base. The limiting rollers are symmetrically arranged on the left side and the right side of the base in pairs, the bottoms of the limiting rollers are connected with the base in a left-right sliding mode, and the limiting rollers are used for clamping ventilation pipes; the cutting mechanism comprises a blade, a lifting assembly and a front-back moving assembly. The blade is located above the base and connected with the lifting assembly, and the lifting assembly is used for driving the blade to move up and down so as to cut the ventilation pipe; the lifting assembly is connected with the front-back moving assembly, and the front-back moving assembly is used for driving the lifting assembly to move in the axial direction of the ventilation pipe. When the ventilation pipe cutting device is used for cutting a ventilation pipe, the ventilation pipe is placed on the upper portion of the base, the position of the ventilation pipe is limited through the limiting rollers, and then cutting action is conducted through the cutting mechanism, so that the situation that the position of the ventilation pipe is changed during cutting is avoided.

This utility model discloses an integrated injection molding device for a corner window assembly, comprising: an injection molding machine, a front and rear positioning mechanism disposed on the front of the injection molding machine, and a clamping mechanism, the clamping mechanism including a cylinder, the cylinder being fixedly connected to both sides of the injection molding machine, a lifting block being fixedly connected to the top of the cylinder, and a drive shaft being fixedly connected to the front of the lifting block. This utility model, by setting the clamping mechanism, can position the sides and top of the injection mold, preventing the injection mold from tilting or moving left and right. By setting the front and rear positioning mechanism, the injection mold can be positioned front and back, preventing the injection mold from moving back and forth. During injection molding, the mold will not shake, avoiding separation of the mold from the discharge port, facilitating user operation, and ensuring normal use.