6results about How to "Improve electrical connection stability" patented technology

This invention discloses an electrostimulation rehabilitation therapy device, including a fixed base with fixing straps on both sides. The fixed base has a mounting ring on each side, and an electrostimulation device is mounted on the mounting ring. The electrostimulation device includes a mounting frame with a housing mounted on it. The housing has a receiving cavity with a slide rail inside. A needle holder is mounted on the slide rail, and the needle holder is driven to move by a driving mechanism. A needle body is mounted on the needle holder. An opening is formed on the bottom surface of the housing, and a guide head is installed at the opening. The guide head has a needle guide hole for the needle body to enter and exit. An electroacupuncture clamp assembly is located inside the housing. This invention first fixes the fixed base to the acupoint, then installs the electrostimulation device. Automatic needle insertion is achieved through the driving mechanism, and the electroacupuncture clamp assembly on both sides is driven by an electromagnet to clamp the needle body. The electroacupuncture device delivers an electrostimulation signal, improving needle insertion accuracy and electrical connection stability.

This utility model discloses a miniaturized ceramic dielectric chip, belonging to the field of capacitor technology, to solve the problem that when the edge of a disc ceramic capacitor contacts the circuit board, stress concentration easily leads to edge breakage, which not only reduces the product yield but may also affect the reliability and service life of the entire circuit system. This utility model uses Y5U ceramic material with a dielectric constant of 8500-9200 as the ceramic dielectric substrate. Its shape is a cube with dimensions of 7×5×1.2mm. The four corners of both the front and back sides are chamfered, and the ends of the vertical edges on all four sides are rounded at the chamfer connections, with an arc length of 0.4mm-0.5mm. Within this arc range, the stress concentration problem during mounting is effectively alleviated, the structural stability of the chip is ensured, and the electric field distribution is optimized.

The utility model relates to the technical field of inductor, and disclose a kind of vibration control steady current inductor, including installation box and magnetic core, the magnetic core is located inside the installation box, the magnetic core is vertically arranged.This kind of vibration control steady current inductor, magnetic core is vertically arranged in installation box, the bidirectional clamping of cooperation clamping block and clamping strip and the plug-in locking of slide bar linkage buckle, both realize modularization quick assembly, and form double buffering by spring pre-tightening force and arc angle arc groove sliding fit, effectively inhibit vibration displacement and reduce mechanical wear;The embedded limit combination vertical magnetic core layout of clamping groove and clamping block, optimize magnetic field uniformity and reduce inductance fluctuation;The inlaying combination of elastic sheet and metal conductive strip realizes coil pin self-adapting compression contact, cooperation compression block bolt secondary locking, significantly improve the electrical connection stability under high-frequency vibration;Radiating hole and the natural convection design of magnetic core vertical structure form longitudinal air duct.

This invention discloses a miniaturized log-periodic antenna and its assembly and design methods, belonging to the field of communication antenna technology. The antenna includes a dielectric substrate, a semi-steel cable, an adapter plate, and a copper layer; the copper layer is disposed on the front and back sides of the dielectric substrate; an adapter plate is disposed at one end of the dielectric substrate; the outer shell of the semi-steel cable is welded to the copper layer at the center line of the back side of the dielectric substrate, and the inner core of the semi-steel cable is bent upwards through the side of the dielectric substrate without the adapter plate and then welded to the copper layer on the front side of the dielectric substrate; the antenna operates in the frequency band of 150MHz–400MHz, with a VSWR ≤2, and uses linear polarization. This invention addresses the performance shortcomings of traditional antennas in this frequency band by optimizing the structure of the vibrator and improving the feeding method, enabling it to cover the target frequency band while meeting the lightweight and miniaturized usage requirements of different scenarios.

The invention is applicable to the field of current collection circuits, and provides 35KV current collection circuit wiring equipment, which comprises a cable and a T-shaped wire clamp, the cable comprises a main core wire and a branch core wire, the branch core wire is vertically mounted below the main core wire, and the T-shaped wire clamp comprises a top cover, two bottom plates, two clamping plates, a plurality of U-shaped bolts and a plurality of nuts. The two clamping plates are oppositely installed on the outer side of the branch core wire, a first base plate and a second base plate are arranged on the outer sides of the two clamping plates respectively, and a plurality of springs are installed on the side faces of the first base plate and the second base plate. The first base plate and the second base plate are matched based on the movably-arranged clamping plates, and the first base plate and the second base plate are extruded through U-shaped bolts and nuts; according to the utility model, the clamping plate is arranged, the branch core wire is fixed by extruding the clamping plate through the arranged spring, the arranged spring can play a role in buffering and looseness prevention, the branch core wire which is vertically installed is prevented from falling off, meanwhile, the branch core wire can be prevented from being installed too tightly, the branch core wire or the T-shaped wire clamp is prevented from being damaged, and the influence on the conductive performance is reduced.

The utility model discloses a kind of multi-face wiring battery pole and motorcycle battery, the pole includes inner electrode end and outer electrode end, the inner electrode end is electrically connected with the positive pole or negative pole of battery assembly or through control circuit board and the positive pole or negative pole of battery assembly is electrically connected, the outer electrode end is hexahedron structure, multiple surfaces in the hexahedron respectively set electrode connecting structure, and through the electrode connecting structure of one of them and outer conductor wire electrically connected.The utility model of motorcycle battery, using multi-pole design, direct power supply wiring of different function modules of motorcycle is facilitated, in addition, the outer electrode end of pole uses multi-face wiring structure, outer conductor wire can be according to the circumferential space condition of the position of motorcycle battery placement position selects the orientation of adaptation and is connected, and the space position is optimized and wiring is convenient.