5results about How to "Improve contact performance" patented technology

The utility model discloses a test fixture for double camera modules, which comprises a bottom plate, a conductive needle assembly and PCB fixing grooves, a test circuit is arranged in the bottom plate, the same side of the bottom plate is provided with two PCB fixing grooves for fixing PCBs, the PCB fixing grooves are arranged on the same horizontal plane, the conductive needle assembly is arranged on the PCB fixing grooves, the conductive needle assembly is electrically connected with the test circuit, and the test circuit is electrically connected with the PCB fixing grooves. Compared with the prior art, the contact effect of the conductive needle assembly and the PCB is more stable, the tolerance problem caused by the size of the double-camera module is solved, and the compatibility is high. According to the utility model, the end part of the ejector pin, which is abutted against the pad point on the PCB, is provided with the telescopic elastic head, and when the pressing piece presses the PCB, the ejector pin and the elastic head are both made of conductive materials, so that the contact between the ejector pin and the PCB is more reliable, and the practicability of the test fixture is improved.

This utility model discloses a sealing structure for the stirring shaft of a pre-ash tank in an ammonia stripping tower, including a stirring shaft, a packing seat assembly, a pressure cap assembly, a filling assembly, and a compression structure. The packing seat assembly is welded to the top of the pre-ash tank, and the pressure cap assembly is installed on the packing seat assembly. The stirring shaft passes through the packing seat assembly and the pressure cap assembly. The filling assembly fills the space between the packing seat assembly and the pressure cap assembly. The filling assembly includes a packing block, an inlet pipe, and an outlet pipe. The packing block fills the cavity formed by the packing seat assembly and the pressure cap assembly and contacts the stirring shaft. The inlet pipe and the outlet pipe pass through small holes and are connected to the packing block. This utility model has a simple structure, is easy to install and disassemble on-site, and is easy to maintain, effectively improving the maintainability and operational stability of the equipment.

The utility model provides a glass hot bending machine, and belongs to the technical field of hot bending forming machine equipment, the glass hot bending machine is provided with a heating assembly for providing heat for glass hot bending, the heating assembly comprises a ceramic plate, a metal plate and a connecting piece for connecting the ceramic plate and the metal plate, a heating unit is arranged in the metal plate, N kidney-shaped holes suitable for penetrating of the connecting piece are formed in the ceramic plate, and the N kidney-shaped holes are communicated with the metal plate. Wherein N is an integer greater than or equal to 3; a straight line passing through the geometric center and along the shortest line segment direction of the binding surface is taken as an X axis, and a straight line passing through the geometric center and perpendicular to the shortest line segment is taken as a Y axis; the long axis directions of the N kidney-shaped holes extend in the direction deviating from the geometric center, and the long axis directions of any two adjacent kidney-shaped holes deviate from each other; at least part of the kidney-shaped holes have projection components in the X-axis direction and projection components in the Y-axis direction in the long-axis direction at the same time. The interface thermal stress generated by thermal expansion mismatch of ceramic and metal is effectively released, and the flatness of the heating assembly is ensured.

The utility model provides a special-shaped battery test fixture, which comprises a fixture bottom plate, a toggle clamp assembly, a fixed probe assembly, a movable probe assembly, a support plate, a first guide rod, a second guide rod and a battery support plate, the device has the beneficial effects that the movable probe assembly is driven by the toggle clamp assembly to move left and right on the first guide rod and the second guide rod, the distance between movable probes on the movable probe assembly can be adjusted, the movable probes are aligned with anodes of special-shaped batteries for testing, cylindrical batteries of different sizes can be tested, the size is small, and the test efficiency is high. Contact is reliable, batch modular layout is met, the structure is simple, stability is good, and operation is easy.

The utility model discloses a hot plug type intelligent capacitor, which comprises a capacitor main body, a wiring socket and a quick connection plug, the power connection end of the capacitor main body is provided with a binding post, the wiring socket is embedded and installed at one end of the binding post, and the wiring socket comprises a main sleeve seat, a movable plate and a pressing block movably installed on the inner side of the main sleeve seat. The movable plate is slidably mounted on the inner side of the main sleeve seat, a spring abutting against an inner cavity of the main sleeve seat is arranged at one end of the movable plate, an electrode touch plate is fixedly mounted on the other side of the movable plate, the pressing block is arranged opposite to the surface direction of the electrode touch plate, a plurality of lock tongues are arranged on the surface of the pressing block, and an insertion plate is fixedly mounted on one side of the main sleeve seat. According to the utility model, the novel hot plug type mortise lock structure is arranged, the special-shaped insertion piece and the wiring socket are in plug-in fit, the contact surface of the special-shaped insertion piece and the wiring socket is large, the contact effect is stable, the problem of poor contact caused by circuit bending and the like is effectively avoided, the structure is simple, and the plug-in operation is convenient.