33results about How to "Avoid impact force" patented technology

The invention provides a battery connector which is arranged in a battery room of an electronic device and is correspondingly contacted with a battery to produce the electrical communication. The battery connector comprises an insulating body base, a plurality of terminal holding grooves which integrally extend from the insulating body base and are vertically arranged in parallel and a plurality of elastic terminals, wherein at least a part of each terminal extends out of the terminal holding groove. The invention is characterized in that at least one L-shaped buffering component which is integrally molded with the insulted body base is formed between the adjacent terminal holding grooves of the insulating body base, the L-shaped buffering component is permitted to incline on the fixed point during stressing, and a contact head which protrudes outwards is formed at one end that bears down on the battery; when no battery is positioned in the battery room, the elongation quantity that the contact head of the L-shaped buffering component protrudes outwards is more than the elongation quantity that the elastic terminal exposes out of the terminal holding grooves, so as to ensure that the battery firstly contacts the contact head for providing buffering when the battery impacts on the battery connector, so that the battery impaction force that all elastic terminals withstand can bereduced.

The invention relates to a sewing needle protection device, which comprises a vertical bar and a protection sleeve which is sheathed on the vertical bar. The vertical bar is hollow and cylindrical. A convex lens is arranged at the lower end of the protection sleeve. The sewing needle protection device has the advantages that the structure is simple, the device is convenient to use, a needle bar with a sewing needle can penetrate through the vertical bar and is arranged in the protection sleeve, the external impact force is avoided, an operator is prevented from being stabbed, the arranged convex lens can be used for observing the moving situation of fabrics, the flatness of the fabrics is ensured and the sewing quality is enabled to be good.

The invention discloses a chip packaging system, comprising a base, a riser is fixedly connected to the top of the base near the rear side, a No. 1 motor is installed on the rear side of the riser, and the output shaft of the No. 1 motor runs through the riser , and is fixedly connected with an outer cylinder, the top of the outer cylinder is open, the middle part of one side of the outer cylinder is open, and the outer cylinder at the bottom of the middle opening is provided with a bar-shaped outlet; the invention makes the outer cylinder in a horizontal state, and the worker who puts the shell in one On one side, the workers who place the chips are in the middle, and the workers who apply glue and take out the chips are on the other side. Rotate to the vertical state, and the application of the glue will not be affected after being placed vertically. At the same time, the semicircular plate is in the initial heating state during the application process. After the application is completed, the shell and the chip are quickly approached to the heating element. Improve packaging efficiency.

The invention discloses an electron-beam melting and forming method of a magnesium-alloy medical implant. The electron-beam melting and forming method comprises the main steps of: (1) establishing a geometric model of the magnesium-alloy medical implant; (2) carrying out layering discrete on the geometric model; (3) generating a scanning path according to geometric profile information of the implant; (4) laying a magnesium-alloy powder material on a substrate of an electron-beam forming machine and compacting; (5) controlling the current amplitude of electron beams, carrying out selective melting on the powder according to the information of sections of all the layers, stacking in a layer-by-layer manner till forming; controlling process parameters in electron-beam melting and forming, wherein the vacuum degree of a forming chamber is 5*10-4Pa, a Z-shaped scanning mode is adopted, the accelerating voltage is 10-60kv, the current of electron beams is 1.0-4.0mA, the focusing current is 100-400mA, the line scanning speed is 50-150mm / s, and the distance between filling lines is 0.1-0.6mm. The electron-beam melting and forming method disclosed by the invention has the advantages that the whole forming process is simple in procedure and easy in control, the obtained implant is high in compactness and can be widely produced and applied in the medical field.

The invention relates to a small rail car box body controlled intelligently, and a specific control method for opening a compartment of the small car box body and protecting the small car when the small car runs. According to the intelligent logistics small conveying car box body and the control method, the defects that safety of goods cannot be ensured due to the fact that a traditional small rail car is only provided with mechanical arms are overcome, duplicate protection with a mechanical lock and an electronic lock is adopted, the locks can be easily opened only by swiping a card under normal conditions, a car door of the intelligent small car can be forcibly opened by a mechanical key on special occasions, information such as unlocking card number and time can be queried by software, and the safety of conveyed goods is effectively ensured. The small car can slow down and stop on the condition that the small car is not in contact with barriers due to adoption of an inductive switch, impact force is avoided as far as possible, and the good safety protective role is played for the conveyed goods.

The invention discloses a cooking appliance controlled by a slider, which includes a housing, a slider assembly installed in the housing, and a slider exposed outside the housing. The cooking appliance also includes a The connecting seat on the body, one of the housing and the connecting seat is provided with a slide groove, and the other is provided with a slider slidingly fitted with the slide groove, and the connecting seat is slidably connected with the slider assembly , the sliding bar is fixed on the connecting seat, so as to be slidably connected with the sliding bar assembly through the connecting seat. The present invention is provided with a connecting seat, which is used for guiding sliding, bearing force and waterproofing, which can effectively prevent the slider assembly from being damaged by force or water ingress, and improve the service life.

The invention provides a novel anti-collision vehicle chassis, relating to the field of vehicles. The novel anti-collision vehicle chassis comprises a front bumper, a chassis, an arc-shaped support frame, a rear bumper and a support rod, wherein the chassis comprises an intermediate longitudinal beam, a front cross beam and a rear cross beam; the arc-shaped support frame is articulated with the intermediate longitudinal beam and is provided with a cab; the front cross beam comprises a first guide sleeve and a second sliding chute, and a first guide rod and a sliding rod can slide respectively along the first guide sleeve and the second sliding chute which are arranged on the front cross beam; one end of the support rod is articulated with the sliding rod, and the other end of the support rod is articulated with the arc-shaped support frame; and the rear bumper comprises an inclined guide pillar, a second sliding ring sleeves the inclined guide pillar, a second spring is arranged between the second sliding ring and the inclined guide pillar, and the second sliding ring is articulated with the rear cross beam. According to the novel anti-collision vehicle chassis, by tilting the front end or rear end of the cab in a collision process, the collision force is skillfully prevented from directly acting on a driver and passengers in the collision process, thereby ensuring the safety of the driver and passengers.

The invention relates to the technical field of oil drilling tools, in particular to an oil drill pipe with a protective structure and its processing technology. The oil drill pipe is detachably assembled with a wear-resistant casing on the periphery of the drill pipe body, and the wear-resistant casing The rod body is protected to improve the wear resistance of the drill pipe body and prolong the service life of the drill pipe body; the upper and lower adjacent oil outlet heads and oil inlet heads are fixed and installed through the end protection structure, and the fastening ring is fixed to the oil outlet head and the oil inlet head. The periphery of the oil inlet head is fastened and assembled to avoid oil leakage during the assembly and use of multiple drill pipe bodies. The fasteners further tighten the periphery of the oil outlet head and the oil inlet head to prevent the two drill pipe bodies from slipping after assembly; The oil drill pipe with protective structure has excellent stability and wear resistance, and the multiple drill pipe bodies are not easy to slip off after assembly, prolonging the service life; the processing technology obtains multiple oil drill pipes that are firmly connected to ensure the stability in the oil drilling process sex.

The invention discloses an electric vehicle intelligent power bank alarming device. The electric vehicle intelligent power bank alarming device comprises a shell, a power bank body is arranged in theshell, sound-production alarming devices are arranged on the left side and the right side in the shell correspondingly, a lifting and holding area is formed in the middle of the upper part of the shell, an inserting-connection area is arranged in the position, on the left side of the lifting and holding area, of the shell, a controller is installed in the position, on the right side of the liftingand holding area, of the shell, an oscillation alarm is installed on the left side of the controller, an alarm switch of the oscillation alarm is attached to the lifting and holding area, and a moving door is arranged on the position, close to the alarm switch, of the lifting and holding area. The electric vehicle intelligent power bank alarming device is ingenious in structure arrangement and reasonable in layout, when the alarm is not used, the alarm switch is turned off by moving the moving door, the situation that the alarm is touched mistakenly when the electric vehicle intelligent powerbank alarming device is placed in safe regions such as the home, and consequentially, the normal life is affected is avoided, meanwhile, the moving door is arranged on the side face of the lifting and holding area, thus the position of the moving door is concealed, the moving door is not liable to be found by a thief, and the safe using capability is improved.