32results about How to "Stable bottom" patented technology

The invention relates to a filter bag for a vacuum cleaner,comprising a tubular bag, which consists of an outer covering that has at least one nonwoven layer, with a first end region (2), which is at least partially sealed and a second sealed end region (5) that lies opposite the first end region. The first end region is folded to form a base. The invention also relates to a method for producing a filter bag of this type.

The invention discloses an automatic classification device based on Internet of Things technology. The automatic classification device comprises a synchronous rolling wheel, an electromagnetic metering instrument, an automatic classifier, a classification container, an audible and visual alarm and a weight detector, wherein the electromagnetic metering instrument is arranged above the synchronousrolling wheel, the classification container is installed on one side of the automatic classifier, and the weight detector is installed below the audible and visual alarm. The device is scientific andreasonable in structure and safe and convenient to use; the synchronous roller is arranged to enable object blocks to keep constant conveying speed in the conveying process; the electromagnetic metering instrument is arranged, so that the number of the object blocks can be counted conveniently; the automatic classifier is arranged to classify and screen the object blocks according to the scanningresult of a scanning assembly; the classification container is arranged to carry out centralized boxing processing on the sorted object blocks; and the audible and visible alarm can be used for reminding a worker to transfer the container in time through the sound and the brightness; and the weight detector can be used for carrying out mass transfer on the object blocks according to the weight ofthe object blocks.

The invention belongs to the technical field of power distribution equipment, in particular to a rotatable dustproof insulator. The problem that dust and rainwater accumulated at the joint of an insulator and a line are difficult to remove is solved. The insulator includes a base, a fixing block is fixedly connected to the middle of the top end of the base. The outer wall of the fixing block is sleeved with a rotating sleeve. The top end of the fixing block is fixedly connected with a reciprocating screw rod; the reciprocating lead screw is sleeved with a rotating block, the bottom end of therotating block is fixedly connected with a rubber plate, the rubber plate is slidably connected with the inner wall of a rotating sleeve, a first through hole is formed in the top end of the rotatingsleeve, the rotating sleeve is rotatably connected with a connecting sleeve at the first through hole, and the top end of the connecting sleeve is fixedly connected with a fixing disc. The rotating sleeve rotates to drive the rubber plate to move up and down to do piston motion, so that an air blowing effect can be achieved, dust and rainwater at the position where a circuit and the device are fixed can be blown away, and a better effect is achieved.

The invention discloses a fixing device for machining chemical products, and relates to the technical field of machining of chemical mixing barrels. The fixing device includes a base, the top of the base is fixedly connected with a support column, the top of the support column is fixedly connected with a placing table, a drive motor is fixedly connected to one side of the base, and brackets are fixedly connected to the two sides of the top of the base correspondingly. According to the fixing device for machining the chemical products, the effect of positioning the chemical mixing barrels is realized, the chemical mixing barrels are prevented from offset, so that the bottoms of the chemical mixing barrels are more stable, the phenomenon that the chemical mixing barrels are deformed due to excessive clamping of a clamping piece is prevented, and thus the machining quality of the chemical mixing barrels is improved.

The invention discloses a logistics robot which comprises a guiding aisle and a stacking mechanism, wherein the stacking mechanism comprises a supporting plate placed on a bulge; a plurality of rolling wheels are mounted at the bottom of the supporting plate; a motor and two vertical columns are arranged on the supporting plate; rectangular grooves are formed in opposite side walls of the two vertical columns; the output end of the motor is connected with a connecting rod; the connecting rod penetrates through the lateral wall of any one of the two vertical columns and is arranged in the corresponding rectangular groove; an upper gear is mounted at the upper ends of the rectangular grooves; two lower gears are mounted at an end part of the connecting rod; the upper gear is connected with the lower gears through a gear belt; two reversely-mounted air cylinders are arranged on the upper wall of a lifting plate; pushing plates are mounted at the output ends of the air cylinders; and travel switches are electrically connected with the motor through a controller. In a lifting process, cargo on the lifting plate is raised or lowered at a relatively stable speed, thereby avoiding displacement caused by shaking of the cargo on the lifting plate and improving the cargo lifting safety reliability.

The invention provides a surfboard and a manufacturing method thereof. The surfboard comprises a surfboard body, a bottom board layer and a protective layer, wherein the bottom board layer and the protective layer are arranged on the two sides of the surfboard body. The surfboard body comprises a first glass fiber layer arranged on the bottom board layer, a foam board arranged on the first glass fiber layer and a second glass fiber layer arranged on the foam board and connected with the protective layer. A plurality of reinforcing ribs are arranged in the foam board. The bottom board layer made of pc materials is arranged at the lower end of the surfboard body, so that the bottom of the surfboard is firmer, the protective layer made of EVA or PE is arranged at the upper end of the surfboard body, the surface of the surfboard is protected, and the surface of the surfboard is prevented from being damaged due to treading in the using process. The upper surface and the lower surface of thesurfboard body are respectively connected with glass fiber cloth, so that the connection between the bottom board layer and the surfboard body and connection between the surfboard body and the protective layer are more stable, and the reinforcing ribs made of glass fiber rods or carbon fiber rods are arranged in the foam board, so that the surfboard body is firmer and more stable.

The invention relates to a preparation method of woven compound mail package bags, belonging to the preparation process of mail package bags. Presently, in the absence of preparation process of mail package bags, the existing mail package bags are mostly simple homemade packages. The preparation method in turn comprises processes of inner layer molding, compounding, cutting and bottom sealing; wherein, the inner layer molding adopts plastic particles as raw materials, the inner layer molding process in turn comprises processes of film preparing, shredding and weaving; the invention is characterized in that: the preparation method further comprises processes of outer layer color printing, bag mouth molding and rubberizing; wherein, the outer layer color printing process is carried out on the paper-imitating pearlescent film, the outer layer color printing process is prior to the compounding process, the bag mouth molding is between the cutting process and the bottom sealing process, the rubberizing process is behind the bottom sealing process. The preparation method has simple preparation process, the prepared package bag has firm structure, strong seal and convenient use, and relative mail information can be written directly on the bag.

The invention discloses a heat dissipation device of a 5G navigator. The heat dissipation device comprises a base and a device box. Roller wheels are installed on the left side and the right side of the front face of the base respectively. A threaded rod is arranged in the middle of each roller wheel; a fixation board is mounted on one side, away from the vertical center line of the base, of eachroller wheel; a threaded hole is formed in the middle of the fixation board; a plastic pad is mounted on the upper side of the device box; the device box is positioned in the middle of the base; hydraulic cylinders are installed at the left end and the right end of the plastic pad; a machine box is arranged on the plastic pad; the bottom ends of the hydraulic cylinders are fixedly connected to theupper surface of the plastic pad; connecting blocks are installed at the top ends of the hydraulic cylinders; connecting rods are arranged on the connecting blocks respectively; and the ends, close to the machine box, of the connecting blocks are embedded in the side face of the machine box. Through arrangement of the hydraulic cylinders and the fixation board, the bottom of the heat dissipationdevice is stable and not prone to shaking; and the height of the heat dissipation device can be freely adjusted, and thus the heat dissipation device can be conveniently in butt joint with machines with different heights.

The invention provides a solar self-adaptive traffic sign. The invention relates to the technical field of traffic signs, stand column, a supporting structure is fixedly installed at the bottom of thestand column. The supporting structure comprises a steel column. A steel column is fixedly installed at the bottom of the stand column. The outer surface of the steel column is sleeved with a slidingsleeve. Three rotating shafts are arranged on the outer surface of the sliding sleeve in a circumferential mode, the sliding sleeve is rotationally connected with a supporting plate through the threerotating shafts, a supporting plate is fixedly installed at the end, away from the stand column, of the steel column, extending plates are slidably connected to the four corners of the interior of the supporting plate, and a limiting plate is fixedly installed on the side wall of one side of the outer surface of the sliding sleeve. According to the traffic sign, through double stabilization of the bottom of the stand column, the situation that when the bottom of the traffic sign is installed, the bottom of the stand column is laterally bent due to large stress, and consequently the whole traffic sign deviates from the preset position during installation is avoided, and the practicability of the traffic sign is improved.

The invention relates to an injection molding mold assembly convenient to disassemble and assemble. The injection molding mold assembly includes a hot sprue, a front mold core and a rear mold core, the hot sprue is sleeved with the front mold core, the rear mold core is arranged on the lower side of the front mold core, a plurality of slide insert assemblies and a rear mold insert are arranged inthe rear mold core, the lower ends of the slide insert assemblies are provided with shovel bases and shovel base heel blocks, a mold product cavity is formed between the front mold core and the rear mold core, and the hot sprue allows molten plastic materials to be injected into an inlet inside the mold from a nozzle of an injection molding machine. The hot sprue is sleeved with the front mold core, so that the occupied space is reduced; the hot sprue is arranged in a three-section manner, meanwhile, fixed connection with the front mold core is achieved, and disassembly, assembly, maintenanceand repairing are facilitated. Meanwhile, the hot sprue is matched with a hot sprue hole through threads, so that quick disassembly and assembly are achieved, and the structure is compact. In cooperation with the shovel bases and the shovel base heel blocks, the bottom is more stable, all elements adopt a convenient-to-disassembly connecting manner, and washing and maintaining are facilitated.

The invention belongs to the technical field of construction safety engineering, and discloses a scaffold base for construction engineering. The scaffold base comprises a plurality of supporting pipesand mounting pipes, the supporting pipes are obliquely arranged at intervals in the circumferential direction of the mounting pipes, and the lower end surfaces of the mounting pipes and the end surfaces of the supporting pipes far away from the mounting pipes are positioned on the same plane. According to the scaffold base for construction engineering, very large bearing capacity is provided forthe mounting pipes through the supporting pipes, and then the bottom of a scaffold is more stable and firmer, so that the safety of workers working on the scaffold is improved.

The invention provides a rice packaging device. The device comprises a filling device rack and a discharging opening. An upper plate, a middle plate and a lower plate are vertically arranged at equaldistances along the filling device rack, the minimum diameter of the lower plate is equal to the maximum diameter of the upper plate, through the novel structure, rice bag three-segment clamping is achieved, the bottom is more stable, a telescopic rod is arranged in a spring, the telescopic rod and the two ends of the spring are fixed to the inner side of a movable iron block and the inner wall ofa fixed magnet correspondingly, in the novel structure, attaching of the movable iron block and the fixed magnet is more stable, the diameter of the movable iron block is larger than the length of the fixed magnet, a fixed tooth is located at the lower end of the spring, and the initial lengths of the spring and the telescopic rod are smaller than the width of the fixed magnet. In the novel structure, a rice bag at a discharging opening is more stably and reasonably clamped, and work efficiency is increased.

The invention discloses an anti-dumping vegetable planting greenhouse, comprising a base, a greenhouse frame and greenhouse film (1). The greenhouse frame is arranged on the base; the greenhouse film(1) is attached to the greenhouse frame; the greenhouse frame includes vertical support rods (2) and a roof (3); the vertical support rods (2) are evenly distributed on the left and right of the lowerportion of the roof (3) at intervals; the base includes mounting seats (4) longitudinally arranged; receiving tubes (5) for insertion of the vertical support rods are arranged on the mounting seats (4), an arc ejector plate (6) is arranged in each receiving tube (5), a tube body of each receiving tube (5) is provided with an adjusting hole in which an adjusting bolt (7) is passed, and a fixing tube (8) is arranged on the outer side of each arc ejector plate (6). The anti-dumping vegetable planting greenhouse has the advantages that the bottom is stable, windproof capacity of the greenhouse can be improved, and influence of bad weathers upon the greenhouse is prevented.

The invention provides a double-layer showing stand. The double-layer showing stand is formed by cutting and folding a piece of paper. The double-layer showing stand comprises a box body, wherein the box body comprises a storage inner cavity, a storage hole is formed in the front end surface of the box body, the storage inner cavity is communicated with the exterior by virtue of the storage hole, the height from the rear end surface of the box body to the bottom surface of the box body is greater than that from the front end surface of the box body to the bottom surface of the box body, an angle formed between a plane on which the top surface of the box body is arranged and a plane on which the bottom surface of the box body is arranged is an acute angle, the rear edge of the top surface is connected to the rear end surface, the front edge of the top surface is connected to the front end surface, the height from the rear edge of the top surface to the bottom surface of the box body is greater than the height from the front edge of the top surface to the bottom surface of the box body, and the distance from the upper edge of the rear end surface to the rear edge of the top surface is more than zero. The double-layer showing stand can stay at a spread state in the transport process; moreover, when in use, the double-layer showing stand can be rapidly formed according to fold, convenience can be realized, and the transport cost also can be saved.

The invention discloses a universal telegraph pole stabilizing base which comprises a telegraph pole, wherein the bottom of the telegraph pole is divided into an overground part and an underground part; a fixing round tube is arranged on overground part in a sleeving way; a fixing seat is arranged on the underground part in a sleeving way; installing rods are arranged at the bottom of the fixing round tube in a sleeved way; the installing rods are fixed on the ground; transverse rods are also arranged on the fixing round tube in a sleeved way; the bottom of each transverse rod is connected with an insertion rod; each insertion rod is inserted into the ground; the fixing seat is made into a trapezoidal shape; a plurality of annular convex plates are arranged on the outer wall of the fixingseat; and the bottom of the telegraph pool is in contact with and fixed to the outer wall of the fixing seat. The universal telegraph pole stabilizing base has the advantages that the structure is simple, and the telegraph pole is effectively stabilized.

The invention relates to the technical field of physical training equipment, and discloses a football training-based pitching machine which comprises a base plate, a first fixing frame, a fixing cylinder and a second fixing frame are fixedly mounted at the top end of the base plate, and the first fixing frame and the second fixing frame are fixedly connected; a first inserting column is pulled towards one side, the first inserting column can be separated from a first inserting hole and extrudes a second reset spring, in this way, a first rotating handle can rotate, a first threaded column can be driven to rotate when the first rotating handle rotates, and a first moving block can be driven to move when the first threaded column rotates; when the first moving block moves, the included angle between a launching cavity of the launching cylinder and the mounting plate can be adjusted through a second pin shaft seat, a second supporting column, a first pin shaft seat and a third pin shaft seat, so that the launching angle of the football can be adjusted through the launching cylinder, football training is facilitated, and the convenience of angle adjustment of the launching cylinder is also achieved.

The invention belongs to the technical field of indoor parking lots, and particularly relates to an indoor navigation device for an indoor parking lot. The indoor navigation device comprises a base, an empty layer and a power supply; an embedded mechanism is fixed to the lower portion of the base; a partition plate is arranged in the empty layer; a switch is arranged on the surface of the left endof the power supply; a shielding mechanism is installed on the left side of the switch; a top plate is arranged above a main board. a display screen is installed behind the shielding mechanism; a door plate is fixed below operation buttons; a hinge is connected to the left side of the door plate; and a heat dissipation mechanism is installed behind the main board. The indoor navigation device forthe indoor parking lot is stable in bottom, is not prone to shaking, good in anti-theft performance, not prone to being stolen, not prone to mistakenly touching the switch during working, not prone to stopping working due to mistaken touching of the switch or not prone to being suddenly started when not working, stable in working, good in heat dissipation performance and not prone to overheatinginside during working, and light emitted during working cannot irritate the eyes of a user.

The invention relates to an integrated device for separating and processing raw materials for chemical machinery. The integrated device comprises a main body, a second cavity and first heating wires.A first cavity is fixedly formed in the main body, and a feed inlet is formed in the top end of the main body. The second cavity is fixed to the interior of the main body, and a rotating shaft is disposed on the inner side of the second cavity. A movable plate is movably disposed at the bottom end of the rotating shaft, and a first telescopic rod is disposed on the left side of the movable plate.The integrated device has the beneficial effects that the first cavity, the second cavity, the first heating wires and second heating wires are arranged, and the central axis line of the first cavitycoincides with the central axis line of the second cavity, so that under the action of the first cavity and the second cavity, processing operations are performed on the raw materials with different diameters; and by starting the first heating wires and the second heating wires, the materials with a larger diameter located on the inner side of the first cavity are heated by the second heating wires when the second heating wires perform heating operation on the materials on the inner side of the second cavity.

The invention discloses a tungsten bar stacking crucible for a intermediate frequency furnace. The tungsten bar stacking crucible comprises a pot body and a supporting cylinder, wherein the pot body is formed by stacking and assembling a plurality of stacked tungsten bars, and an upper portion and a lower portion of the pot body are open; the supporting cylinder is arranged below the pot body; a limiting ring is fixed to an inner wall of the pot body; a blocking disc is fixed to the top of the supporting cylinder; the blocking disc is slidably arranged on the inner wall of the pot body and abuts against the bottom of the limiting ring; and a plurality of sleeves and a plurality of expansion blocks are fixed to a side face of the top of the supporting cylinder. According to the invention, the supporting cylinder is filled with mercury, the mass of the supporting cylinder and the mass of the mercury are very large, the gravity center of the whole pot body moves downwards, and the bottom of the pot body is very stable, so that the pot body stands stably and is high in safety; the mercury is cooled in the supporting cylinder, and the volume of the mercury is reduced, so that negative pressure is generated in the supporting cylinder, a communicating pipe and a telescopic cylinder; a telescopic rod is contracted into the telescopic cylinder, so that a clamping head and a clamping sleeve are separated; and a clamping rod is not supported and inclines downwards, so that the blocking disc can be detached from the interior of the pot body, high-temperature liquid metal can be poured out from the bottom of the pot body, and the use safety is very high.

The invention relates to an anti-gravity type water cup manufacturing method. The method comprises the following steps of 1 injection moulding; 2 grooving; 3 hole forming; 4 support block installing; 5 cup containing installing; 6 sleeve barrel installing; 7 fan installing. Compared with prior art, the method has the advantages that by arranging a fan, the water cup dropping speed is decreased, and the probability of water cup breaking is decreased.

The invention belongs to the technical field of road lighting, and particularly relates to a wind-resistant energy-saving road lamp which comprises a lamp post, an annular fixing block is fixedly connected to the lower surface of the lamp post, threaded holes are formed in the upper surface of the annular fixing block, an access door is arranged on the outer surface of the lamp post, and the outersurface of the lamp post is fixedly sleeved with an annular fixing table. According to the wind-resistant energy-saving road lamp, the fixing device is arranged on the outer surface of the lamp postand comprises a fixing ring, and the inner wall of the fixing ring is fixedly connected with the outer surface of the lamp post in a sleeving mode, so that a solar cell panel at the top of the lamp post fully absorbs solar energy, and the problem that an existing solar cell panel cannot be moved, so that solar energy cannot be fully absorbed, and insufficient power storage and insufficient power supply are likely to occur at night is solved.

An inland terminal depot structure comprises a wharf platform, a shore base, at least three river bases and at least two supporting bases. A reinforcement convex edge is arranged at one end of the shore base, and at least three reinforcement protrusions are sequentially distributed on the inclined face of one end of each river base from top to bottom, wherein the reinforcement protrusions and theriver base are of an integrated structure. At least three reinforcement seats are sequentially distributed at the two ends of each supporting bases from top to bottom, wherein the reinforcement seatsand the supporting bases are of an integrated structure. Multiple first reinforcement rings are fixedly arranged on each supporting base. Multiple second reinforcement rings are fixedly arranged on each river base. The inland terminal depot structure comprises at least four wave consumption mechanisms. Each wave consumption mechanism comprises a supporting frame and multiple wave consumption rods.The first reinforcement rings and the second reinforcement rings cooperate with a steel rope structure, so that connection between the supporting bases and the river bases is stable, and strength ishigh.