36results about How to "With buffer space" patented technology

An automatic production line for plastic grafting clips comprises a spiral extrusion machine, a cooling mechanism, a belt towing mechanism, a tension control mechanism, a belt feeding mechanism and a cropping mechanism, wherein the spiral extrusion machine, the cooling mechanism, the belt towing mechanism, the tension control mechanism, the belt feeding mechanism and the cropping mechanism are sequentially arranged; the tail end of the spiral extrusion machine is connected with a grafting clip mold, and the cooling mechanism comprises a cooling groove; the cooling groove is internally provided with a belt inlet guide wheel, a soaking belt guide wheel and a belt outlet guide wheel at least; the belt towing mechanism, the tension control mechanism, the belt feeding mechanism and the cropping mechanism are arranged on a supporting frame, and the tension control mechanism is arranged below the position between the belt towing mechanism and the belt feeding mechanism; and the tension control mechanism comprises a rotatable support movably hinged to the side face of the supporting frame, and a radial guide rod is arranged at the front end of the rotatable support. An extension spring fixed to the bottom of the supporting frame is further arranged on the rotatable support. The automatic production line is simple in structure, balance of belt walking tension of molding belts in all mechanisms is achieved, and the production efficiency and quality of the plastic grafting clips are improved.

The invention discloses a wood drying device and a using method thereof. The wood drying device comprises a working frame and a drying plate arranged above the working frame, a water storage tank is fixedly connected to the bottom of a top plate of the working frame, and air cylinders are fixedly connected to the front side and the rear side of the bottom of an inner cavity of the water storage tank correspondingly. The invention relates to the technical field of wood processing. According to the wood drying device and the using method thereof provided by the invention, the two supporting rollers are arranged to directly support round logs, the air cylinders, first tooth plates, gears, second tooth plates and supporting plates are arranged in a matched mode, the distance between the two supporting rollers is adjusted, and therefore the round logs with different calibers can be conveniently supported; and meanwhile, in cooperation with the arrangement of a telescopic rod and the drying plate, the axial parts of the round logs can be directly dried, and after a motor is started, the supporting rollers can be driven to rotate, so that the round logs are rotatably dried, drying is more uniform, the round logs can be compacted by the drying plate in the drying process, and the situation that the round logs are bent after being dried is effectively avoided.

The invention discloses a post-trigger type door leaf linkage structure, which comprises a door leaf, a main lock body, a connecting rod assembly, an anti-theft lock point assembly, and a contactor. The connecting rod assembly comprises a horizontal connecting rod assembly and a longitudinal connecting rod assembly connected with each other; the contactor is arranged at the rear end of the horizontal connecting rod assembly and is located on the inner side of the door leaf; the contactor drives the longitudinal connecting rod assembly to move outwards through the horizontal connecting rod assembly and drives the anti-theft lock point assembly to lock; and the main lock body drives the connecting rod assembly to move inwards and drive the anti-theft lock point assembly to unlock. Accordingto the post-trigger type door leaf linkage structure provided by the invention, through arranging the contactor on the inner side of the door leaf, a transmission pressure of the main lock body is reduced, and the wear of parts in the main lock body during a use process is reduced; and on the other hand, a function of the main lock body for locking the anti-theft lock point assembly is separated out, so that an inner structure of the main lock body is simplified, the occurrence of the phenomenon of excessive deformation of the parts in the main lock body caused by frequent door opening, door closing and locking during a use process is prevented, and the service life of the main lock body is reduced.

The invention relates to the technical field of LED display screen protection covers, in particular to a compression-resistant buffering device for an LED display screen protection cover. The device comprises a protection cover; buffering grooves are formed in the upper end and the lower end of the front side in the protection cover; sliding frames are arranged in the buffering grooves; protection glass is arranged in the middles of the sliding frames on the upper side and the lower side; clamping plates are arranged in the middles of the left sides of the sliding frames; and the clamping plates are arranged in the inner walls of the right sides of the buffering grooves. According to the compression-resistant buffering device for the LED display screen protection cover, the protection glass is arranged in the buffering groove through the sliding frames; the protection glass can slide in the buffering groove at a certain amplitude; the protection cover has a certain buffer space due to strong wind weather or external manpower, and the protection cover is not prone to being broken due to external force; and an LED display screen is tightly fixed in the protection cover through a support, the outer side of the LED protection cover is separated from the protection cover through a buffering pad, the LED protection cover is not prone to collision; a rotating plate rotates on the left side through a rotating bearing, so that the protection cover is convenient to open and close, and the protection cover is convenient to mount and dismount.

The invention discloses a portable reinforced round shield. The portable reinforced round shield comprises a protective shield plate and a protective support plate connected to the back face of the protective shield plate, and a buffer space is formed between the protective shield plate and the protective support plate; one side located on the back face of the protective support plate is fixedly connected with a grip handle, and the other side located on the back face of the protective support plate is movably connected with a protective arm; one end of the protective arm is tightly fixed on the protective support plate through a screw, the other end of the protective arm protrudes to form a fixture block, and a clamping groove used for allowing the fixture block to be clamped is formed in the protective support plate. Due to the fact that the buffer space is formed, when the protective shield plate is impacted, the protective shield plate deforms, partial impact force is offset, the weakened impact force is transferred to the protective support plate and offset through a police officer, and the impact force subjected by the police officer is effectively reduced; the structural design according with human engineering is adopted by the grip handle and the protective arm, the grip comfort for the police officer can be effectively improved, the grip handle and the protective arm can be used by the police officer for holding the shield with two hands, and the applicability range is wide. The portable reinforced round shield has the advantages of being comfortable in grip, stable in structure, strong in anti-impact capacity, convenient to carry and the like.

The invention discloses a sulfur-iron self-oxidation denitrification device and a reaction control method. The sulfur-iron self-oxidation denitrification device comprises an iron self-oxidation denitrification bin and a sulfur self-oxidation denitrification bin, a water inlet device is arranged in the iron self-oxidation denitrification bin, and the iron self-oxidation denitrification bin is communicated with the sulfur self-oxidation denitrification bin; a gas outlet pipe is arranged at the top of the sulfur self-oxidation denitrification bin; a gas concentration sensor, a gas flow sensor, a signal collector and a signal transmitter are arranged on the gas outlet pipe; a water outlet pipe is arranged at the middle lower part of the sulfur auto-oxidation denitrification bin; the signal transmitter transmits the gas data information to the control platform; and the invention further discloses the reaction control method. The nitration device disclosed by the invention is sufficient in reaction and good in reaction controllability.

The invention discloses a submersible sewage pump. The submersible sewage pump comprises a submersible sewage pump body and a sewage pool, wherein a base is arranged at the bottom of the sewage pool through a bottom stand column; a top seat is arranged at the top of the sewage pool; a vertical screw rod and a vertical guide rod are arranged between the base and the top seat; the lower end of the vertical screw rod is rotationally arranged on the base through a lower bearing seat; the upper end of the vertical screw rod is rotationally arranged on the top seat through an upper bearing seat; theupper end of the vertical screw rod is connected with a motor shaft of a servo gear motor; the servo gear motor is fixedly arranged on the top seat; a vertical screw sleeve matched with the verticalscrew rod is arranged on one side of the submersible sewage pump body; a vertical guide sleeve matched with the vertical guide rod is arranged on the other side of the submersible sewage pump body; and a water inlet is formed in the upper end of the submersible sewage pump body.

The invention provides an intelligent graphene conductive paste RFID electronic tag production line which comprises a mounting outer frame, a first film roller, a buffer jacking frame structure, a graphene conductive paste storage hopper, a printing roller, an auxiliary scraping plate, an antioxidant storage hopper, an antioxidant feeding pump, an antioxidant feeding pipe, an antioxidant spray head, an ultraviolet lamp, a glue solution adding frame structure and a second film roller. The device comprises a mounting outer frame, a first film roller, a second film roller, a double-film combination auxiliary clamping frame structure, a reinforced cooling frame structure, a wind-up roller, a controller and an alarm, and the first film roller is mounted on the left side of the mounting outer frame; the buffer jacking frame structure is mounted on the left side of the top of the mounting outer frame; and the graphene conductive paste storage hopper is arranged at the lower part of the buffer jacking frame structure. A liquid level sensor is installed on the right side in the glue storage hopper, the height of the liquid level in the glue storage hopper can be conveniently detected during use, and when the liquid level is low, an alarm can be controlled by a controller to give an alarm to remind workers.

The invention relates to an anti-cracking mahjong tile and a manufacturing technology, and relates to the field of production and processing of mahjong tiles. The mahjong tile comprise a tile body, the tile body comprises a shell body and a back cover, a containing cavity with an opening is formed in the shell body, and the back cover seals the opening of the containing cavity; a placing groove isformed in the bottom of the containing cavity, a magnetic block is arranged in the placing groove, and the containing cavity is filled with a buffering layer; the first buffering layer covers the placing groove and the magnetic block, the first buffering layer adheres to the surface of the containing cavity, and a second buffering layer located on the first buffering layer is located in the containing cavity; a buffering space exists between the second buffering layer and the back cover, and the first buffering layer is an incomplete-heating melamine powder layer. Through the first bufferinglayer and the second buffering layer, when the temperature is changed, the incomplete-heating melamine powder layer has an upward expanding buffering space, cracking of the mahjong tile is avoided, and the technical problem is solved that the mahjong tile easily cracks.

The invention discloses a drain valve based on safety improvement. The drain valve based on safety improvement comprises a valve body assembly, a control assembly and mounting assemblies, the valve body assembly comprises a shell, a fastener arranged on one side of the shell, a water inlet piece arranged on the top of the shell, and a water outlet piece arranged at the bottom of the shell. The control assembly is arranged in the shell and comprises a valve seat arranged on the inner bottom wall of the shell, a valve clack arranged on the top of the valve seat, a flow guide part arranged in the valve seat and a floating ball part arranged on the top of the valve clack. The mounting assemblies are arranged on the inner bottom wall of the shell and located on the two sides of the valve seat. According to the drain valve based on safety improvement, through the arrangement of the control assembly and the mounting assemblies, the disassembly, assembly and maintenance efficiency of the drain valve is higher, meanwhile, the drain valve is more convenient to use, then through the arrangement of a connecting assembly, the stability of the drain valve is higher when the drain valve is connected to a pipeline, a certain buffer space is provided, the probability of breakage of the joint between the drain valve and the pipeline is greatly reduced, and the safety is higher.