32results about How to "Anti-reverse loading" patented technology

The invention belongs to the technical field of particle puncture, and provides a puncture navigation system. The puncture navigation system comprises an adjusting arm for achieving movement in the three-dimensional direction; a fine-adjusting device is arranged on the adjusting arm and comprises a first shaft sleeve arranged on the adjusting arm; a vertical rotating rod is rotatably arranged in the first shaft sleeve; a second shaft sleeve is arranged on the vertical rotating rod; a transverse rotating rod is arranged in the second shaft sleeve; a pin shaft is arranged at the end of the transverse rotating rod; a puncture needle clamping device is arranged on the pin shaft and comprises a rotating piece rotatably arranged on the pin shaft, the rotating piece is in a semicircular shape ora fan shape, and a vertical needle holding hole is formed in the rotating piece; and angular scale lines are arranged on the rotating piece, and pointers for indicating the rotating piece to rotate byangles are arranged on the transverse rotating rod. The technical problem that in the prior art, precision and regularity of puncture operation of a puncture needle are difficult to achieve is solved.

The invention discloses a loudspeaker internal magnetic circuit assembling machine with a reverse installation prevention function. The assembling machine includes a bracket automatic feeding platform, a magnet automatic feeding platform, a washer automatic feeding platform, dispensers, an indexing plate, dragging devices, and a discharge channel. Operation areas are set on the circumference of the indexing plate. One dispenser and one dragging device are arranged beside each operation area. The bracket automatic feeding platform, the magnet automatic feeding platform and the washer automaticfeeding platform are respectively connected to the peripheries of the corresponding operation areas. The discharge channel is connected to the periphery of the indexing plate. The bracket automatic feeding platform, the magnet automatic feeding platform and the washer automatic feeding platform are of the same structure. Each platform includes a connecting track, a vibration plate and a conveyor belt, wherein the vibration plate has an opening, the connecting track passes through the opening, the connecting track is at least partially disposed in the vibration plate, and the connecting track inclines. By using the loudspeaker internal magnetic circuit assembling machine, full-automatic loudspeaker internal magnetic circuit assembling is realized, the labor cost is greatly saved, and the labor intensity is reduced. The loudspeaker internal magnetic circuit assembling machine can ensure that the automatic feeding platforms carry out feeding forwardly and prevent reverse installation.

The invention discloses a photovoltaic bypass diode in the field of thin-film solar energy, production process thereof and an installation method thereof. The invention belongs to the technical fieldof semiconductor electrical components. The diode comprises a diode cathode lead end and a diode anode lead end. A diode chip is arranged between the diode cathode lead end and the diode anode lead end, a bonding jumper wire is connected above the diode chip, the diode chip is placed on the diode cathode lead end, the diode cathode lead end is connected with the diode anode lead end through the diode chip and the bonding jumper wire, a frame chip mounting surface is arranged below the diode chip, a diode plastic package body is arranged outside the diode chip, and a back plate cooling fin is arranged at the position, corresponding to the frame chip mounting surface, of the back surface of the diode body. A photovoltaic diode and an extension lead which are separated in an original productare integrated together, and a client element welding procedure is replaced. And the heat dissipation capability of the element is remarkably enhanced in an integrated packaging mode of the element.

The invention, which relates to the technical field of motor rotor assembling, discloses a multi-directional automatic magnetic steel guiding device comprising a pedestal and a substrate. A magnetic steel guiding positioning seat is arranged at the center of the top surface of the substrate; feeding channels are formed in four side surfaces of the magnetic steel guiding positioning seat; four feeding tracks are formed in the top surface of the substrate; and four magnetic steel guiding positioning slots that correspond to and are communicated with the inner ends of the feeding channels one by one are formed in the top surface of the magnetic steel guiding positioning seat. In addition, permanent magnet pieces are arranged inside the inner end surfaces of the feeding channels. A motor rotating shaft positioning sleeve is arranged at the center of the top surface of the magnetic steel guiding positioning seat. A cylinder with a shaft end upward is arranged at the center of the pedestal; a magnetic steel push-out sleeve is arranged at the shaft end of the cylinder; and the cross section of the magnetic steel push-out sleeve has a square annular shape. Besides, a rectangular avoidance hole is formed in the center of the bottom of the magnetic steel guiding positioning seat. The magnetic steel piece assembling efficiency is high; and neglected mounting or reverse mounting of a magnetic steel piece can be prevented effectively.

The invention discloses an integrated bypass protection device used in the field of solar energy and a process method thereof. The invention belongs to the technical field of electronic component manufacturing. The device includes multiple frames which are horizontally connected in sequence. Protection device plastic package bodies are arranged at the connection parts between the frames; the protection device plastic package bodies are integrated on the frames and form an integral structure with the frames. Photovoltaic chips are arranged in the protection device plastic package bodies. Chip bonding pads and jumper bonding pads are arranged above the frames, the photovoltaic chips, the chip bonding pads and the jumper bonding pads are arranged in the protection device plastic package bodies, the photovoltaic chips are connected with the jumper bonding pads through jumpers, an anode pin and a cathode pin are connected to the exterior of the frames, and the frames bear and communicate the photovoltaic chips with an internal circuit and an external circuit to form an integrated bypass protection device. Therefore, the bypass protection device forms an integral structure, the reliability of the product is improved, and the production cost of the product can be greatly reduced. The stable development of the photovoltaic solar energy industry can be guaranteed.

The invention provides a foam sprinkling can for a high-pressure cleaning machine. By adoption of the foam sprinkling can for the high-pressure cleaning machine, the technical problems that an existing foam sprinkling can is not provided with a water inlet connector or a negative-pressure cavity structure, consequentially, whether or not high-pressure liquid can be sprayed out cannot be determined, the negative pressure and the foam concentration cannot be adjusted freely, the cleaning effect is poor, and cleaning is inconvenient are solved. The foam sprinkling can for the high-pressure cleaning machine comprises a liquid storage bottle used for containing a foam cleaning agent, a spray head used for spraying the foam cleaning agent and a spray head base. An opening is formed in the upperend of the liquid storage bottle. A soap liquid filter head is fixed to the bottom of the inner side of the liquid storage bottle. A suction pipe used for sucking the foam cleaning agent is arranged in the liquid storage bottle. The foam sprinkling can for the high-pressure cleaning machine has the advantage of good cleaning effect.

The invention discloses an elastic straight pin feeding device used for producing low-voltage circuit breakers, which is characterized in that: a fixed plate is connected under an air cylinder, a slide rod is arranged under the fixed plate, two guide poles are arranged on the fixed plate, two lower guide poles are arranged between the fixed plate and the slide rod, two ejector pins are connected below the fixed plate, a corner plate, a static contact bus bar and an arc sheet are arranged on a locating block which is arranged below the slide rod, both ends of the slide rod are provided with square holes, a feeding block is fixed at the front end of the slide rod, both sides of the feeding block, which correspond to the square holes, are provided with U-shaped grooves, two popping-boxes are clamped in the square holes of the slide rod, a plurality of elastic straight pins are arranged in the popping-boxes, one side of each popping-box is provided with a spring, both ends of each spring are respectively provided with a slide rod provided with a spacer pin in a contacted way, and one end of each popping-box is provided with a notch. The invention adopts the popping-box type structure, realizes semi-automatic feeding operation, enhances the production efficiency, avoids the problem that the elastic straight pins are not loaded enough and are arranged in reverse and prevents the danger caused when human hands contact the elastic straight pins.

Disclosed are a thrust bearing and a holder used for the thrust bearing. The holder comprises a body frame, the body frame is provided with an inner circumferential surface and an outer circumferential surface, and one of the two axial ends of the body frame is a first end; the holder further comprises a radial inner protruding part and / or a radial outer protruding part, wherein the radial inner protruding part is connected to the first end and higher than the inner circumferential surface inwards in the radial direction of the body frame; and the radial outer protruding part is connected to the first end and higher than the outer circumferential surface outwards in the radial direction of the body frame. According to the technical scheme, the holder can be used for solving the problem that a holder is mounted reversely in the prior art, accurate assembling of the holder is achieved, it is ensured that the thrust bearing is effectively lubricated, and the risk of rotating clamping stagnation of the bearing is reduced.

The invention discloses an automatic horn internal magnetic circuit assembly molding device. The device comprises a support automatic loading table, a magnetic automatic loading table, a washer automatic loading table, glue dispensers, an indexing plate, dragging devices, an oven, an automatic turnover line and a magnetizer. Operating areas are arranged at the circumference of the indexing plate,the sides of the operating areas are provided with the glue dispensers and the dragging devices, the support automatic loading table, the magnetic automatic loading table and the washer automatic loading table are connected with the peripheries of respective operating areas, the automatic turnover line is connected with the periphery of the indexing plate, the automatic turnover line is provided with the oven and the magnetizer, and the oven is disposed at the upstream end of the magnetizer. By use of the device provided by the invention, full-automation of the assembling of a horn internal magnetic circuit can be realized, the labor cost is greatly saved, and the labor intensity is reduced.

The invention relates to a reverse stop bearing with a wedge reverse-mounting preventing bearing retainer. A retainer body is arranged between an inner ring and an outer ring; a steel ball is arranged in each ball pocket on the circumferential surface of the retainer body; a wedge is arranged in each wedge notch formed in the first end surface of the retainer body; a wedge spaced boss is arranged between the adjacent wedge notches; a fixed cover is connected with the first end of the retainer body. The reverse stop bearing is characterized in that a spring groove, of which one end is opened, is formed in each wedge spaced boss; the opening ends of the spring slots are communicated with the wedge notches in front of the inner ring of the bearing in the one-way rotation direction; compressed springs are arranged in the spring grooves; the inner ends of the compressed springs are connected with the retainer body; the outer ends of the compressed springs are exposed from the opening ends of the spring grooves and jack against the wedges, so that the wedges are still adhered to the outer ring and the inner ring. According to the reverse stop bearing, the normal operation of the wedges cannot be influenced, the capability of preventing reverse-mounting of the wedges is improved, the machining efficiency of the product is improved, the product quality is guaranteed, and the production cost is reduced.

The invention discloses a reversed installation prevention structure for a chain of a chain saw. The reversed installation prevention structure for the chain of the chain saw comprises a chain wheel on which chain wheel teeth are arranged; and a clamping structure is arranged on the chain wheel teeth so that the chain wheel teeth are matched with gaps on the right sides of chain teeth of the chain. The reversed installation prevention structure is simple and is convenient to manufacture, and the clamping structure matched with the gaps on the chain teeth is added on the chain wheel teeth; only by positively installing the chain, the clamping structure can be well matched with the gaps, and the chain can be installed on the chain wheel; if a user installs the chain reversely, the installation is difficult and the chain is difficult to install; therefore, by the reversed installation prevention structure, the easy reversed installation by the user can be avoided, and safety work of the chain saw can be realized.

The invention provides a tire pressure sensor packaging lead frame which is used for being fixedly connected with a tire pressure sensor chip, a main control chip and a transmitting chip. The lead frame comprises a frame body which is made of nickel porpezite materials. The frame body comprises a first substrate, a second substrate, first pin wires and second pin wires. The first substrate and the second substrate are arranged in the center of the frame body. The first substrate is used for mounting the main control chip and the transmitting chip. A through hole is formed in the center of the second substrate and used for sensing the outside air pressure. The second substrate is used for fixing the tire pressure sensor. The first pin wires are in a T shape and are arranged on the opposite two sides of the first substrate. The second pin wires stretch and are distributed in the length direction of the side edge of the second substrate. The first pin wires and the second pin wires are used for transmitting signals of the main control chip, the transmitting chip and the tire pressure sensor to an external device respectively. The frame body is made of the nickel porpezite materials, and a later electroplating technology is omitted. Meanwhile, the lead frame has good electrical conductivity and thermal conductivity after the nickel porpezite materials are adopted.

A thrust bearing and a cage used for the thrust bearing, wherein the cage includes: a body frame having an inner peripheral surface and an outer peripheral surface, and one of the two ends in the axial direction is a first end; it also includes: a radially inner protrusion part, connected to the first end, and radially inwardly higher than the inner peripheral surface along the body frame; and / or, a radially outward protrusion, connected to the first end, and along the radial direction of the body frame Outwardly higher than the outer peripheral surface. The cage of the technical solution can solve the problem of reverse mounting of the cage in the prior art, realize accurate assembly of the cage, ensure effective lubrication of the thrust bearing, and reduce the risk of bearing rotation jamming.

The present invention relates to reverse stop bearings with anti-wedge reverse mount bearing retainers. The retainer body is arranged between the outer ring and the inner ring, a steel ball is installed in each ball pocket on the circumferential surface of the retainer body, and a wedge is installed in each wedge notch on the first end face of the retainer body, correspondingly Between the notches of adjacent wedges is a wedge spacer boss; the fixed cover is connected to the first end of the retainer body; it is characterized in that: each of the wedge spacer bosses is provided with a spring slot with an open end, so The opening end of the spring groove communicates with the wedge notch in front of the inner ring of the bearing in the direction of one-way rotation. The spring groove is equipped with a compression spring. The inner end of the compression spring is connected to the retainer body. The outer end of the compression spring is exposed from the opening end of the spring groove and pushed Hold the wedges so that they remain snug against the outer and inner rings at all times. The invention does not affect the normal operation of the wedge and has the ability to prevent the reverse assembly of the wedge, improves the processing efficiency of the product, ensures the quality of the product, and reduces the production cost.

The invention discloses a membrane element pipe fitting, a tool thereof, a spiral wound water-saving membrane element, and a water purifier. The tool of the membrane element pipe fitting comprises connecting pieces, insert parts, first fasteners and second fasteners, the connecting pieces are arranged at the first ends of pure water tubes, and the connecting pieces are provided with insert slots;the insert parts are adapted to the insert slots and are arranged at the first ends of wastewater tubes, and the wastewater tubes are arranged on the side surfaces of the pure water tubes side by sidealong the extending longitudinal direction of the pure water tubes; the first fasteners are arranged at the second ends of the pure water tubes; and the second fasteners are in close fit with the first fasteners and are arranged at the second ends of the wastewater tubes, and the size of the second fasteners is more than the size of the insert slots to prevent the second fasteners from being inserted into the insert slots. The assembling reliability of the membrane element pipe fitting is improved.

The invention, which relates to the technical field of motor rotor assembling, discloses a multi-directional automatic magnetic steel guiding device comprising a pedestal and a substrate. A magnetic steel guiding positioning seat is arranged at the center of the top surface of the substrate; feeding channels are formed in four side surfaces of the magnetic steel guiding positioning seat; four feeding tracks are formed in the top surface of the substrate; and four magnetic steel guiding positioning slots that correspond to and are communicated with the inner ends of the feeding channels one by one are formed in the top surface of the magnetic steel guiding positioning seat. In addition, permanent magnet pieces are arranged inside the inner end surfaces of the feeding channels. A motor rotating shaft positioning sleeve is arranged at the center of the top surface of the magnetic steel guiding positioning seat. A cylinder with a shaft end upward is arranged at the center of the pedestal; a magnetic steel push-out sleeve is arranged at the shaft end of the cylinder; and the cross section of the magnetic steel push-out sleeve has a square annular shape. Besides, a rectangular avoidance hole is formed in the center of the bottom of the magnetic steel guiding positioning seat. The magnetic steel piece assembling efficiency is high; and neglected mounting or reverse mounting of a magnetic steel piece can be prevented effectively.

The invention discloses a fool-proof structure installed in a regulator diode in an automobile generator. The structure comprises a box body and a diode. An inner wall in the box body, which corresponds to one side of a cathode of the diode, is installed with a first copper embedding sheet. An inner wall in the box body, which corresponds to one side of an anode of the diode, is installed with a second copper embedding sheet. The first and second copper embedding sheets comprise connection sheets and U-shaped fork hands. A length of the connection sheet of the first copper embedding sheet is greater than that of the connection sheet of the second copper embedding sheet. A gap is formed between the first copper embedding sheet and the second copper embedding sheet. The diode is installed in the gap. An anode lead wire of the diode is supported in a fork port of the U-shaped fork hand of the second copper embedding sheet. A cathode lead wire of the diode is supported in the fork port of the U-shaped fork hand of the first copper embedding sheet. In the invention, a condition that the diode is installed reversely because of misoperation can be avoided and work stability of a regulator is guaranteed. A jelly glue is filled in the box body so that connection of the diode is firm and the diode is not easy to shed.

The invention discloses a two-in six-out branching terminal. The two-in six-out branching terminal comprises a shell, an electric conductor, a dustproof cover, a marker bar and a screw, wherein wire inlet holes and wire outlet holes are formed in the two ends of the shell separately; the electric conductor is arranged in the shell; a circular hole is formed in the electric conductor; the dustproof cover is arranged at the top end of the shell; the marker bar is arranged in the shell; and the screw is arranged in the shell; the top end of the screw is in contact with the circular hole to form an arc surface; mould-pressed letters are arranged in the dustproof cover; and the shell is made of an insulating material. The wire inlets of the two-in six-out branching terminal adopt two American system threaded holes; the wire outlets adopt six internal standard fine thread screw holes; the marker bar adopts a PC environment-friendly material; the mould-pressed letters are designed to be in the inner surface of the dustproof cover, so that reverse installation is avoided; the head part of the fine thread screw is a flat end, and an arc surface is formed by the flat end and the circular hole of the electric conductor, so that wires can be collected and compressed tightly; and a wiring process is safer and more reliable.

The invention discloses a membrane element pipe fitting, a tool thereof, a spiral-wound water-saving membrane element, and a water purifier. The tool of the membrane element pipe fitting comprises inserting grooves, inserting parts, and spacing convex parts; the inserting grooves are arranged on a first end of a pure water pipe; the inserting parts are designed to match the inserting grooves, andare arranged on first ends of waste water pipes; the waste water pipes are arranged along the extension longitudinal direction of the pure water on the side surface of the pure water pipe in parallel;the spacing convex parts are arranged on second ends of the waste water pipes so as to prevent inserting of the second ends of the waste water pipes into the inserting grooves. The above design is capable of improving the assembling reliability of the membrane element pip fitting.

The invention provides a connection terminal, which comprises a casing (1) and a pointer, the casing (1) is provided with a slot (2) for accommodating the pointer, and on the casing (1), the socket and the plug The position corresponding to the slot (2) is also provided with a window (3) for observation and / or maintenance, and the position of the window (3) on the casing (1) is also provided with a window for sealing the Open the window (3) to prevent the anti-static structure (4) from the channeling at the window. The invention can effectively isolate the terminal from the outside at the window opening position, preventing external static electricity from entering the terminal through the window opening position, thereby causing the terminal and the electronic components connected to the terminal to be damaged by static electricity, effectively reducing the wiring Electrostatic hidden dangers of the terminal, improve the operation stability and reliability of the terminal.

The invention discloses a reverse-assembling-prevention composite tool apron used for a lawn pruning trolley. The reverse-assembling-prevention composite tool apron comprises a blade and a tool apron body, the tool apron body comprises a pedestal and a mounting base being perpendicular to the pedestal, and the surface, of the pedestal, being attached to the blade is provided with several bosses; the blade is fixedly arranged under the tool apron body, and the position, of the blade, being attached to the pedestal of the tool apron body is provided with several grooves corresponding to the bosses. During the mounting process, once the blade is placed reversely, the bosses on the tool apron body and the grooves in the blade cannot be buckled to complete the assembly, and the effect that the blade is prevented from being assembled reversely is effectively achieved. Especially when the several bosses are in central symmetry, the blade is prevented from being assembled reversely, the mounting angle is fixed, the weight can be further balanced, and the high-speed rotation stability can be improved. The whole reverse-assembling-prevention composite tool apron used for the lawn pruning trolley is simple in structure, high in reliability and convenient to maintain, and is stable and practical.

A lamp battery box comprises a frame body and a battery reverse-installation preventing device. The battery reverse-installation preventing device comprises a fixed shaft which is arranged on the frame body, a lever which is arranged on the fixed shaft in a penetrating manner, at least one positioning needle which is arranged on one side of the fixed shaft and a telescopic contact which is arranged on the lever; the positioning needle is inserted into a gap between two adjacent batteries; and the telescopic contact pushes against the side wall of the battery at a compression state. When a positive electrode and a negative electrode are reversely installed and a last battery is installed to facilitate the movement of a contact of the telescopic contact towards a clamping part, the positioning needle cannot be inserted into the gap between two adjacent batteries but pushes against the side wall of one battery, the contact of the telescopic contact cannot be ejected, and the installation of the last battery is stopped by the contact, so that the user can be reminded of the reverse installation of the batteries, and a purpose for preventing the reverse installation of the battery can be realized.

A lamp battery box comprises a frame body and a battery reverse-installation preventing device. The battery reverse-installation preventing device comprises a fixed shaft which is arranged on the frame body, a lever which is arranged on the fixed shaft in a penetrating manner, at least one positioning needle which is arranged on one side of the fixed shaft and a telescopic contact which is arranged on the lever; the positioning needle is inserted into a gap between two adjacent batteries; and the telescopic contact pushes against the side wall of the battery at a compression state. When a positive electrode and a negative electrode are reversely installed and a last battery is installed to facilitate the movement of a contact of the telescopic contact towards a clamping part, the positioning needle cannot be inserted into the gap between two adjacent batteries but pushes against the side wall of one battery, the contact of the telescopic contact cannot be ejected, and the installation of the last battery is stopped by the contact, so that the user can be reminded of the reverse installation of the batteries, and a purpose for preventing the reverse installation of the battery can be realized.

The invention discloses an elastic straight pin feeding device used for producing low-voltage circuit breakers, which is characterized in that: a fixed plate is connected under an air cylinder, a slide rod is arranged under the fixed plate, two guide poles are arranged on the fixed plate, two lower guide poles are arranged between the fixed plate and the slide rod, two ejector pins are connected below the fixed plate, a corner plate, a static contact bus bar and an arc sheet are arranged on a locating block which is arranged below the slide rod, both ends of the slide rod are provided with square holes, a feeding block is fixed at the front end of the slide rod, both sides of the feeding block, which correspond to the square holes, are provided with U-shaped grooves, two popping-boxes areclamped in the square holes of the slide rod, a plurality of elastic straight pins are arranged in the popping-boxes, one side of each popping-box is provided with a spring, both ends of each spring are respectively provided with a slide rod provided with a spacer pin in a contacted way, and one end of each popping-box is provided with a notch. The invention adopts the popping-box type structure,realizes semi-automatic feeding operation, enhances the production efficiency, avoids the problem that the elastic straight pins are not loaded enough and are arranged in reverse and prevents the danger caused when human hands contact the elastic straight pins.