10results about How to "Avoid loose contact" patented technology

The utility model relates to the technical field of server expansion, in particular to a server external plug-in card module reinforcing device which comprises a server mainboard and an external plug-in card module, a mounting plug board is arranged on one side of the external plug-in card module, a tail plug is arranged at one end of the mounting plug board, a locking hook claw is arranged at the other end of the mounting plug board, a top pressing seat is arranged on the locking hook claw, and the external plug-in card module is arranged on the top pressing seat. A locking groove is formed in one side of the jacking seat, and a locking assembly for clamping the locking hook claw is arranged on the server mainboard. According to the server external plug-in card module reinforcing device, a tail plug at one end of a mounting plug board is plugged in a plug-in seat, a locking hook claw at the other end of the tail plug is clamped in a locking assembly, elastic force is applied to a spring bolt through a compression spring, the spring bolt is clamped in a locking groove in one side of the locking hook claw, and locking of one end of the mounting plug board is achieved; the external plug-in card module can be locked on the server mainboard through matching of the locking assembly and the bayonet socket, and stable connection between the external plug-in card module and the server mainboard is guaranteed.

The utility model discloses a cable take-up machine which comprises a driving mechanism, a take-up wheel, a pneumatic box and a cycloid mechanism, the driving mechanism is rotationally connected with a power chuck, one side of the pneumatic box is rotationally connected with a pneumatic chuck, and the two ends of the take-up wheel are connected with the power chuck and the pneumatic chuck respectively; a left sliding rod support is fixedly arranged at the top of the driving mechanism, a servo motor is fixedly arranged on the left sliding rod support, and an output shaft of the servo motor is fixedly connected with a driving chain wheel. A right sliding rod support is fixedly arranged on the top face of the pneumatic box and rotationally connected with a driven chain wheel, and the driving chain wheel and the driven chain wheel are in transmission connection through a chain. The cycloid mechanism comprises a sliding rod, the two ends of the sliding rod are fixedly connected with a left sliding rod support and a right sliding rod support respectively, the sliding rod is slidably connected with a sliding seat, the sliding seat is fixedly connected with a chain, the sliding seat is fixedly provided with a balance wheel support, the balance wheel support is rotationally connected with a set of cycloid wheels, and a cable sequentially bypasses the surfaces of the two cycloid wheels. And the cable can be uniformly and tightly wound on the take-up wheel, and the take-up efficiency is improved.

The utility model discloses a high-voltage submarine cable land end grounding device, belongs to the field of cable equipment, and solves the problems of poor diversion performance, small contact area, easy loosening and the like caused by structural damage of a grounding device in the prior art. In the application, the metal conductor of the submarine cable end is electrically connected with the grounding buckle; the grounding buckle comprises a cylindrical armored clamp and a copper strip, the copper strip wraps the surface of a metal conductor at the end of the submarine cable, and the armored clamp is connected to the copper strip in a sleeving mode and makes contact with the copper strip in a pressing mode. The armoring clamp is a metal clamp and is connected with a grounding box through a wire. According to the land end grounding device for the high-voltage submarine cable, optimization is made in the aspects of increasing the contact area, reducing the contact resistance, enhancing the contact reliability and the like, abnormal temperature rise at the armored grounding position is avoided, and the risk of insulation breakdown of the submarine cable is reduced.

The headlamp assembly of the electric vehicle comprises a headlamp installation base, a transparent protection glass fiber mask, a headlamp protection shell and an integrated reflective bowl, the headlamp protection shell is installed in the headlamp installation base in a sleeved mode and locked through screws, and an array type lampshade and an integrated lampshade are arranged on the inner side of a reflective bowl installation shell. A red warning lampshade is arranged between the array type lampshade and the integrated lampshade, a warning LED lamp set connected with the reflective bowl installation shell is installed at the end of the headlamp integrated circuit board through an electric connector, and the warning LED lamp set corresponds to the red warning lampshade. The red warning lampshade is arranged between the array lampshade and the integrated lampshade, and the warning LED lamp set corresponding to the red warning lampshade is installed at the end of the headlamp integrated circuit board through the electric connector, so that when an electric vehicle runs at night, red light can be generated, a good warning effect is achieved, the running condition of the electric vehicle can be better facilitated, and the safety of the electric vehicle is improved. And a good safety prompting effect is achieved for pedestrians or vehicles in front.

The utility model discloses a hay cutting device for dairy cow breeding, which belongs to the technical field of dairy cow breeding, and comprises a cutting table, a cutting knife for cutting hay and a cleaning component, the cleaning component comprises a fixed frame and a movable plate, and two side surfaces of the fixed frame are fixedly connected with hollow telescopic outer rods; a movable block and a moving block are slidably connected to the inner side wall of the telescopic outer rod, a threaded sleeve is fixedly connected to the end face of the telescopic outer rod in an embedded mode and is in threaded connection with a threaded rod, a limiting bearing is in interference fit with the side face of the threaded rod, and an outer ring of the limiting bearing is fixedly connected with the moving block in an embedded mode. The side, away from the movable block, of the telescopic inner rod is fixedly connected with a movable plate, inclined scraping plates are welded to the side face of the movable plate, and the adjacent sides of the two scraping plates abut against each other.

The utility model relates to the technical field of electrical connection spare, concretely relates to a socket plug sleeve with good contact effect, including bottom piece, the symmetric setting of bottom piece inserts piece, and the support section, the bending section and the contact section are formed to the insert piece through multiple times bending, and the contact section is provided with a plurality of notches parallel to the insertion direction, and the contact section is divided into a plurality of contact pieces. The contact piece includes the main piece and the vice piece of different width, and the inward side is bent to form the arc contact part. The utility model discloses through the design of piece by piece and makes each contact piece independent to fit the plug electric contact piece, and the point contact is converted into the multi-point distributed contact, and the line contact structure of arc contact part is matched, and the contact area is significantly expanded, and the contact resistance and the heating risk are reduced, and the poor contact problem caused by point contact is effectively solved, and the electric safety and reliability are improved.

The utility model relates to circuit breaker technical field discloses a kind of intelligent miniature circuit breaker with protection function, including circuit breaker main body, the upper end front side of circuit breaker main body is equipped with multiple thread grooves, thread groove equidistance distribution, the inner chamber of thread groove is provided with screw rod, the upper end rear side of circuit breaker main body is provided with terminal, and thread groove is in the accommodation slot of terminal with penetration.This utility model technical scheme can make protection plate cover in the upper of terminal, to protect terminal, avoid idle terminal to be corroded by external environment, and then influence subsequent terminal and wire connection, screw rod can be pressed tightly wire and terminal again, wire and terminal are limited, protection plate is pressed to the left again, and the clamping plate on protection plate is inserted into through slot, and the clamping plate is inserted into annular groove in positioning cap, and then the position of screw rod is limited, avoid the situation that terminal and wire loose contact is caused by screw rod loosening under the bumpy state.

The utility model discloses a full-automatic beveling device for an electronic cigarette battery, which relates to the technical field of battery processing equipment and comprises a workbench, adjusting mechanisms are arranged on two sides of the top of the workbench, a beveling mechanism is arranged on one side of each adjusting mechanism, and each adjusting mechanism comprises a first sliding groove formed in the top of the workbench and a second sliding groove formed in the top of the workbench. And an electric telescopic rod is fixedly mounted at one end of the inner wall of the first sliding groove, a first sliding block is fixedly mounted at one end of the electric telescopic rod, and a mounting frame is fixedly mounted at the top of the first sliding block. According to the full-automatic beveling device for the electronic cigarette battery, through the arrangement of the adjusting mechanism, the position of the beveling structure can be correspondingly adjusted according to batteries with different lengths, the situation that the position of the battery is inaccurate or beveling is incomplete in the beveling process is avoided, the appearance regularity and attractiveness of a product are improved, and the production efficiency is improved. And loose contact or unstable connection of the battery caused by inaccurate folding angle position can be effectively avoided.

The utility model relates to the field of power connection terminals, in particular to a plug female end for power connection of a new energy automobile, which comprises an insulating base and two conductive substrates, the conductive substrates are fixedly mounted in the insulating base, power connection pin groups are integrally formed on the conductive substrates, the power connection pin groups of the two conductive substrates are mutually symmetrical, and the power connection pin groups of the two conductive substrates are mutually connected. An auxiliary retaining plate is arranged at the ends, away from each other, of the two conductive substrates, the auxiliary retaining plate comprises a fixing part and an elastic extrusion part, the fixing part is fixedly connected with the surfaces of the conductive substrates, the elastic extrusion part extends to the outer sides of the power connection pin groups, and the elastic extrusion part is fixedly connected with the surfaces of the conductive substrates. The end, away from the fixing part, of the elastic extrusion part is tightly pressed on the outer side of the power connection pin set, a bidirectional clamping structure is formed through the two symmetrically-distributed conductive substrates and the integrally-formed power connection pin set, the elastic extrusion part of the auxiliary retaining plate is matched to continuously press the outer side of the pin set, and the radial clamping force on the male end is remarkably enhanced.

The present application relates to a high-voltage cable pipe installation abnormality identification analysis method for carrier communication. In view of the problem that the channel impedance mismatch and signal loss are caused by the dynamic interference of the cable starting end piercing joint in physical deformation, contact pressure fluctuation, etc., a flexible intelligent coupling interface and its impedance self-regulation method are proposed. The core scheme includes constructing an inner layer of conductive elastomer array, an intermediate layer of piezoelectric composite film and an outer layer of low-friction fluorinated liquid crystal polymer, and multiple layers cooperate to realize strain sensing, impedance real-time reconstruction and energy closed-loop supply. Through the micro perception unit, deformation and contact resistance data are collected, the piezoelectric film is controlled and driven to realize the evolution of dielectric properties, dynamically optimize the coupling impedance, and apply the shape memory effect to repair the interface structure. This method can significantly improve the video signal transmission efficiency under dynamic contact state, reduce the bit error rate, and realize the long-term stability of the interface structure.