18results about How to "Simple and reasonable structural design" patented technology

The utility model provides a cold chain logistics temperature control container door sealing structure, including box, box door, sealing layer and lock bar, the box is equipped with outer layer and inner layer respectively, the box door establishes in the one end of box, the box door includes first door and second door, the recessed lock groove is equipped in the first door middle part, the second door middle part is equipped with the lock ring of protruding, the sealing layer establishes in the back of first door, the sealing layer is the form of covering the inside of outer layer, and the sealing layer includes door body and sealing strip, the lock bar is worn in the lock ring, and the lock bar can be worn in the inside of lock groove, the utility model's beneficial effects are: its structure design is simple and reasonable, has the sealing structure of further improving temperature control container box door, the sealing layer of the box door of being equipped with is worn in the inside of box, and the sealing layer adopts the sealing strip and the junction of box door, however the sealing strip also is worn in the inside of box, helps sealing layer to reduce the irradiation of ultraviolet, improves the life of sealing layer use.

The present disclosure relates to the technical field of medical devices, and provides a pedicle screw broken screw negative pressure extractor for extracting a broken screw from a pedicle of a lumbar vertebra, comprising a barrel body, the barrel body being arranged to slide in the pedicle, the barrel body having a sliding cavity opened along a length direction and having an opening facing away from the broken screw; a piston rod being arranged to slide in the sliding cavity, the piston rod being arranged to form a negative pressure space together with a side wall and a bottom wall of the sliding cavity after sliding away from the bottom wall of the sliding cavity; a suction disc being arranged at an end of the barrel body close to the broken screw, the suction disc having a suction space at an end of the suction disc away from the barrel body, the suction space being in communication with the negative pressure space; the suction disc being arranged to abut against an end surface of the broken screw after the barrel body slides in the pedicle to be close to the end surface of the broken screw, so that the suction space can suck the broken screw. Through the above technical solution, the technical problem that the broken screw of the pedicle screw is difficult to be extracted from the lumbar vertebra in the prior art is solved.

This utility model proposes a multi-station automatic feeding nut cold heading machine, including a machine base, a processing table, a feeding block, an extrusion block, and an unloading block. The processing table is located in the middle of the machine base, and multiple through holes are provided on one side of the processing table. The feeding block is located on the top surface of the processing table, and the die sleeve passes through the through holes. The extrusion block is located on one side of the machine base, and multiple stamping cutters are provided on one side of the extrusion block, while a telescopic rod is provided on the other side. Multiple guide rods are provided on the bottom surface of the extrusion block, and one end of the telescopic rod passes through the drive device. The unloading block is located on the other side of the machine base, and multiple push rods are provided on one side of the unloading block. Multiple gear rods are provided on the bottom surface of the unloading block, and the gear rods engage with the teeth provided on the guide rods. The beneficial effects of this utility model are: its structural design is simple and reasonable, with a further improved structure, and it reduces the need for hydraulic cylinders to bear the impact forming pressure.

The utility model discloses an air cylinder scraper assembly which comprises a pair of scraper assemblies which are vertically symmetrical and arranged at intervals. The scraper assembly comprises a mounting plate, an air cylinder, a connecting base, an air blowing device, a tool apron and a scraper. A dovetail structure is arranged at the bottom of the connecting seat; the air blowing device comprises a mounting seat and an air pipe joint; a groove is formed in the top of the mounting seat, and the dovetail structure is inserted into the groove; a flow guide cavity is formed in the mounting base, two blowing holes are formed in the lower side of the flow guide cavity, one end of the flow guide cavity is connected with an air pipe connector, and the other end is communicated with the blowing holes. A tool apron is hinged to the bottom of the mounting base, and an inclined scraper is fixedly arranged on the tool apron. The air cylinder scraper assembly is simple and reasonable in structural design and stable and reliable in operation; the use is convenient, and the glue line can be efficiently and smoothly removed; and the cut glue line can be effectively prevented from adhering to the scraper to influence the glue line removing effect of the scraper.

This utility model proposes a root control planting box for forest seedlings, including a box body and a root control tray. The box body is provided with multiple limiting grooves. The root control tray is inserted into the seedling tray. Non-woven fabric is provided on the outside of the root control tray. A positioning plate is provided at one end of the root control tray. The positioning plate has a positioning groove inside. A support plate is inserted into the positioning groove of the positioning plate. One end of the non-woven fabric is embedded in the positioning groove through the support plate. The beneficial effects of this utility model are: its structural design is simple and reasonable, and it has the effect of reducing soil and water loss.

This utility model provides a transport and delivery device and an aircraft carrier, relating to the field of aircraft technology. The transport and delivery device includes a base, a guide rail, a carrier component, and a drive component. The base provides mounting support for the guide rail, carrier component, and drive component, and an opening on it provides the exit for the delivery path. The guide rail serves as a motion guide structure for the carrier component, ensuring that the carrier component can move smoothly along a set trajectory to the opening position. The carrier component slides along the guide rail to ensure stable support of the delivery component, preventing it from deviating or falling off during flight, thereby ensuring flight safety and delivery accuracy. Therefore, by driving the carrier component to slide along the guide rail to the opening position, the delivery component can complete the delivery action under the action of gravity or an auxiliary release mechanism. It is evident that this transport and delivery device achieves stable loading and on-demand delivery of the delivery component, with a simple and reasonable structural design and efficient and reliable operation.

This utility model discloses a servo-driven automatic double-head chamfering machine for iron cores, including a frame, a feeding assembly, a receiving assembly, a tooling fixture, a chamfering processing assembly, and a material transfer mechanical claw assembly. The frame is vertically arranged with a horizontally arranged worktable on it. The tooling fixture is longitudinally arranged, with chamfering processing assemblies horizontally arranged on its left and right sides. The chamfering processing assemblies are located on the worktable. The feeding assembly and receiving assembly are respectively located on the front and rear sides of the tooling fixture. The material transfer mechanical claw assembly is located above the tooling fixture. The material transfer mechanical claw assembly includes a top frame, a slide, a slide rail, a forward / backward cylinder, a lifting cylinder, and a pneumatic claw. This utility model's servo-driven automatic double-head chamfering machine for iron cores has a simple and reasonable structural design, automatically feeds and retrieves materials, does not interfere with the fixture, and avoids the risk of worker injury. It is highly efficient in chamfering iron cores and can chamfer both sides simultaneously.

The utility model provides a kind of for automobile parts's pull riveting workstation, including base, transmission belt and slide, base one side is equipped with positioning hole, the other side is equipped with slide rail, positioning hole is equipped with driving shaft, auxiliary shaft, transmission belt inner face is arranged at the outer periphery of driving shaft and auxiliary shaft;Slide and slide rail are connected, slide and transmission belt are opposite, slide top is equipped with mounting groove, slide one side is equipped with telescopic shaft, the other side is equipped with extruding block, transmission belt one side is equipped with fixture mechanism, fixture mechanism includes chassis, clamping seat and clamping block;Chassis is fixed in transmission belt one side, clamping seat one side is equipped with protruding key block, key block is arranged in the key groove of chassis, clamping block is arranged in clamping seat one side;The utility model has the beneficial effects that: its structure design is simple and reasonable, with the effect of reducing the need to pause processing first, then change workpiece processing.

The impurity removing machine for starch processing comprises a support, a base, a screen box, a screen mesh block and a dustproof cover, a frame body of an elastic block is arranged between the support and the base, a positioning opening is formed in one side of the bottom face of the base, a protruding chassis is arranged on one side of the top face of the base, one end of a vibration motor device is arranged in the positioning opening in a penetrating mode, and the other end of the vibration motor device is connected with the screen mesh block. The chassis is arranged in the discharging end in a penetrating manner; one end of the discharging end is connected with the frame body of the screen box; a positioning ring is arranged on one side in the screen box; a supporting rod and a supporting ring are arranged in the middle of the screen block, one end of the supporting rod is arranged on the periphery of the supporting ring, the other end of the supporting rod is arranged on a frame body of the key block, a groove is formed in one side of the key block, and a protruding clamping block is arranged in the middle of the groove; the clamping block is arranged in the locking groove in a penetrating mode, and the positioning ring and the screen cloth block form a buckle connection structure. The vibrating screen has the beneficial effects that the structural design is simple and reasonable, and the screen is convenient to disassemble.

This utility model discloses an automotive LED headlight, including a mounting base, an LED lamp board, a heat pipe, a heat dissipation aluminum frame, a cooling fan, and a printed circuit board. The heat dissipation aluminum frame has a tail shell at its rear and a lamp board slot and a heat pipe slot at its front. The LED lamp board is inserted into the lamp board slot, and the heat pipe is inserted into the heat pipe slot. The LED lamp board has several LED sheets on both its upper and lower surfaces, and the LED sheets are located within the lamp cavity. The mounting base has a mounting hole in its middle, and two limiting protrusions are provided on the inner wall of the mounting hole. The heat dissipation aluminum frame has a limiting cylinder in its middle section, and the mounting hole fits onto the outer wall of the limiting cylinder. The outer wall of the limiting cylinder also has a limiting annular groove. The mounting base is fitted onto the limiting cylinder, and the limiting protrusions are located within the limiting annular groove. This automotive LED headlight of this utility model is easy and quick to assemble; the cleverly placed cooling fan significantly improves heat dissipation and extends the lifespan of the lamp.

The utility model provides a kind of test tool for testing sealing ring, including first cover plate, second cover plate and baffle;The first cover plate with the second cover plate is detachably connected, and the first cover plate with the second cover plate is provided with O ring;The first cover plate with the baffle is detachably connected, and the first cover plate with the baffle is provided with limiting pad block;Air inlet is provided on the first cover plate, and gas collecting port is provided on the second cover plate;It can adapt to the test demand of multiple different specifications and types of sealing members, and by replacing limiting pad block of different thickness and selecting appropriate specification bolt, the size and structure of tooling can be flexibly adjusted, and air-tight test of various common sealing members is facilitated.

This utility model discloses an electronic device pin bending fixture, specifically relating to the field of electronic device pin bending technology. It includes a support plate with support bars symmetrically fixed to both sides of its bottom. Mounting ear plates are fixed to one end of each support bar, and a support seat is provided on the top of the support plate. This utility model first uses positioning posts and fixing bolts to install and fix the support seat. A limiting plate positions the electronic device to ensure accurate positioning. By activating a first electric push rod to control the movement of the bending pressure plate, the pins can be bent longitudinally. By activating a second electric push rod to sequentially control the synchronous movement of the moving bending blocks, the electronic device pins can be bent laterally, achieving the desired soldering state. The bending position is fixed during the bending process, effectively improving the bending accuracy and product quality of the electronic device pins, and enhancing the assembly qualification rate and overall performance of the electronic device.

This invention discloses a pressure differential-driven passive discharge valve, belonging to the field of valve technology. The discharge valve includes a discharge valve pipe, a valve, a vent, a pneumatic component, an elastic rope, a metal bellows, a slider, a trigger, a trigger shaft, and an anti-rotation rod. The valve is rotatably mounted inside the discharge valve pipe. The vent connects the discharge valve pipe to the pneumatic component. The elastic rope connects the valve to the inner wall of the discharge valve pipe for energy storage. The pneumatic component is driven by the metal bellows. The slider engages with the lever-shaped trigger, which rotates around the trigger shaft and engages with the valve's unlocking part. When the discharge valve pipe is breached, air enters the pneumatic component through the vent. When the pressure inside the cavity reaches a set value, the metal bellows is compressed, causing the slider to actuate the trigger and unlock the valve. The elastic rope drives the valve to rotate to the normally open position defined by the anti-rotation rod. This invention requires no external power, relying on pressure differential to achieve passive opening, resulting in reliable operation and rapid response.

The utility model discloses a truss mechanical hand, including gantry, horizontal slide vertical board, elevating column, object carrying sliding table subassembly, the gantry is a kind of steel structure support frame, and two columns and top beam constitute portal structure, and it is the mounting frame body of entire mechanical hand, the elevating column bottom end is fixed with the object carrying sliding table subassembly of horizontal arrangement, the object carrying sliding table subassembly includes link frame, object carrying table, sliding table motor, the link frame is the frame body of the open both ends of front and back, and the middle part is equipped with cavity, the object carrying table is located in the cavity of link frame, object carrying table is slidably connected with link frame by slide rail three, sliding block three, and object carrying table is driven to slide forward and backward by sliding table motor through driving gear, rack three, the utility model discloses a truss mechanical hand, and object carrying table can be telescopic forward and backward, and it is convenient to stretch into the space of top closed or having obstruction from side to unload workpiece or article.

The utility model provides protective film slitting equipment which comprises a machine frame, an unwinding device and a slitting device, a control module is arranged on one side of the machine frame, a first support is arranged on the other side of the machine frame, and a winding device, a first traction roller, a second traction roller and a horizontal guide roller are arranged between the control module and the first support. The unwinding device is arranged on one side of the base, and a sliding groove is formed in one side of the base. The slitting device is provided with a second support, a third traction roller, a fourth traction roller and a cutter block, the cutter block comprises a supporting shaft and fixing rings, a first hole and a second hole are formed in one side of the supporting shaft, the supporting shaft is provided with a plurality of fixing rings, the fixing rings comprise a first block and a second block, a blade is arranged on one side of the first block, and a reset rod is arranged on one side of the second block. One end of a reset rod can penetrate through the first hole and the second hole; the protective film slitting device has the beneficial effects that the structural design is simple and reasonable, the time for adjusting the position of the cutter is saved, and the slitting width of the protective film is convenient to adjust.

This invention discloses an electric drive balance box based on self-circulating lubrication and a split-type composite transmission, comprising: a balance box body, a wheel-side reduction gear component, and a motor input assembly mounted on the balance box body. Multiple intermediate gear assemblies mesh on both sides of the gear in the motor input assembly, with the last intermediate gear assembly meshing with the gear in the output shaft assembly. The output shaft assembly is connected to the wheel-side reduction gear component, which reduces the speed and increases the torque of the power from the output shaft assembly, enabling driving and parking functions. This invention innovatively adopts a "motor + parallel shaft gear + planetary gear set coupling" transmission scheme, using multiple fixed-axis gear sets to form a parallel shaft system. This system can withstand greater loads and also handle high speeds, high frequencies, and high torques from electric drive forces, making it applicable to a wider range of energy sources.

The probe for the computerized flat knitting machine is an elastic probe, and the elastic structure with the automatic reset function and the buffering function is integrally arranged on the probe. The utility model also relates to a broken needle alarm device, which comprises two probes arranged on the left and right of the machine head through insulating bases, an alarm control assembly, the probe is an elastic probe, the elastic structure with the automatic reset function and the buffering function is integrally arranged on the probe, the upper portion of the probe is connected with a weak current lead, and the machine head moves left and right on the needle plate to realize knitting. When the probe lower portion and the broken needle needle foot falling from the needle plate contact, the circuit of the alarm control assembly is connected to realize the broken needle alarm. The elastic probe can effectively reduce the impact force of the needle foot contact and automatically reset after the broken needle alarm is removed. In addition, the probe is arranged at the inner bottom plate of the machine head of the computerized flat knitting machine and located between the left and right sides of the needle lifting cam and the needle returning cam, so that the detection of the broken needle is more timely and accurate, and the knitting product quality is improved.