15results about How to "Improve electrical connection stability" patented technology

The invention relates to a rotating shaft assembly, a grounding part and electronic equipment, the rotating shaft assembly comprises a rotating shaft and the grounding part, the grounding part is arranged between the rotating shaft and a rotating shaft back cover in the electronic equipment and is electrically connected with the rotating shaft back cover and the rotating shaft to form a grounding circuit, and the grounding part comprises a voltage limiting element. When the voltage in the grounding circuit is greater than or equal to a first threshold value of the voltage limiting element, the voltage limiting element conducts the grounding circuit; when the voltage in the grounding circuit is smaller than the first threshold value of the voltage limiting element, the voltage limiting element disconnects the grounding circuit. The rotating shaft assembly is simple in structure, easy to manufacture and low in cost, the ESD grounding requirement of the rotating shaft back cover and the daily use requirement of a user can be met at the same time, the service life of a metal appearance part outside the electronic equipment is prolonged, and the use safety of the electronic equipment is improved.

The utility model discloses an anti-pine needle female seat which comprises a female seat shell, a female needle body is installed on the inner side of the female seat shell, the female needle body is made of high-strength metal materials, the female needle body comprises a female needle inserting end, a female needle connecting end and a fixing rod, and an inserting groove is formed in the top end of the female seat shell. The female needle inserting end is located on the inner side of the inserting groove and used for being matched with a male seat pin, and a hexagonal limiting block is arranged on the surface of the end, close to the female needle inserting end, of the female needle body; through the matching arrangement of the convex ring and the elastic clamping block, the radial limiting of the female pin main body is realized, the loosening of the female pin in the radial direction is effectively prevented, the electrical connection stability of the connector is improved, and through the arrangement of the anti-loosening rubber layer between the female seat shell and the female pin main body, the bonding force between the female pin and the female seat shell is enhanced, and the electrical connection stability of the connector is improved. The female pin is prevented from loosening in the axial direction, and the anti-loosening effect is further improved.

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 portable outdoor mobile power supply structure comprises a battery accommodating and expanding assembly and a battery assembly. The battery accommodating and expanding assembly comprises a battery accommodating and expanding box and a protective cover plate. The battery accommodating and expanding box is formed with a battery mounting groove. The protective cover plate is arranged at the groove opening of the battery mounting groove to jointly form a battery mounting cavity. The protective cover plate is detachably connected with the battery accommodating and expanding box. The battery mounting cavity is used for accommodating the limiting battery assembly. The power connection end of the battery assembly is used for electrically connecting with the power connection end of the battery accommodating and expanding box. The portable outdoor mobile power supply structure has good use stability.

The present invention relates to a bearing module, a tray, and a test handler wherein the bearing module comprises: a bearing main body having a receiving groove for receiving an electronic component; the bottom plate part is combined with the bearing main body, and the bottom plate part comprises a bottom plate component used for supporting the bottom surface of the electronic component accommodated in the accommodating groove; and a plurality of electrical connection holes penetrating through the bottom plate part, and the bottom plate part is made of glass.

The utility model discloses a self-connection type photovoltaic junction box and a photovoltaic module, the self-connection type photovoltaic junction box comprises a base, the two sides of the base in the length direction are provided with clamping parts extending upwards, and the base is provided with a bus bar lead-out port; the box cover is provided with a containing cavity with a downward opening; the diode module is arranged in the accommodating cavity, the diode module is provided with a metal plug bush and a wiring terminal, the wiring terminal is used for being connected with a corresponding cable, and one end of the accommodating cavity is provided with a channel for the cable to pass through; the metal connecting piece is arranged on the base, and the metal connecting piece is provided with a connecting groove used for being electrically connected with the bus bar and a metal contact pin used for being corresponding to the metal plug bush; wherein the two clamping parts are used for being connected with the two outer sides of the box cover in the length direction in a buckled mode, and meanwhile the metal inserting pins are inserted into the metal inserting sleeves for electric connection. The photovoltaic connector is simple, convenient and fast to disassemble, can realize self-connection, and can realize stable electric connection without depending on a traditional photovoltaic connector.

The invention discloses a vehicle battery pack connecting device, and belongs to the technical field of battery pack charging for battery swapping, the vehicle battery pack connecting device comprises a base, an electric connector and a trigger piece, when a battery pack is placed on the trigger piece, the trigger piece can be displaced under the pressure effect of the battery pack, and the electric connector is connected with the base; the electric connector is driven by the trigger piece to move downwards and move in the horizontal direction at the same time so that the electric connector can get close to the battery pack and be electrically connected with the battery pack. In the process that the battery pack is placed on the triggering piece till the battery pack is electrically connected with the electric connector, the placing stability of the battery pack on the triggering piece is high, and meanwhile due to the fact that the movement track of the electric connector is constant, the battery pack can be stably placed on the triggering piece. The electric connector certainly moves along the fixed movement track until the electric connector is electrically connected with the battery pack, the phenomenon of connection dislocation caused by movement deviation of the battery pack does not exist in the electric connection process of the battery pack, and the electric connection efficiency and the electric connection stability of the battery pack connecting device are improved.

The utility model discloses an equipotential internal thread joint, belongs to the technical field of pipeline joints, and is used for solving the problems that the connection mode of the equipotential internal thread joint is easy to cause the damage and falling of a lead, the failure of safety protection and the increase of rework cost. The equipotential internal thread connector comprises a water pipe connector, a conductive connector, a wire and a locking piece. The water pipe connector is provided with a pipeline and a connector communicated with the pipeline. The conductive connector is fixedly installed on the inner side of the interface and provided with a connecting port, and a wire hole extending in the direction away from the connecting port and a locking hole extending to the side face of the conductive connector from the wire hole are formed in the conductive connector. The wire is electrically connected with the conductive joint and penetrates through the wire hole; the locking piece is connected to the inner side of the locking hole and tightly abuts against the wire to the inner side of the wire hole.

The utility model discloses a portable battery structure for a sound box, and relates to the technical field of sound box accessories. The device comprises a battery body, wherein the outer surface of the battery body is matched with a battery slot formed in the sound box; the bottom end of the battery body is fixedly provided with a power connection socket used for being electrically connected with a loudspeaker box, and the other end of the battery body is fixedly connected with a drawstring, so that the battery body can be conveniently pulled out of a loudspeaker box battery slot through the drawstring. According to the device, a traditional vibrating needle type electrode is replaced by a plug-in type electrode structure of the power connection plug and the power connection socket, so that the stability of electric connection between the battery and the sound box is improved. Compared with an elastic needle type electrode, the plug-in type electrode is more compact in structure, can better resist external vibration and impact, and meets the requirements of users.

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.

The utility model discloses a developing box which comprises a shell used for accommodating a developing agent; the coupling gear is used for receiving external driving force of the developing box; a developing roller rotatable about a second axis extending in the first direction; a chip having an electrical contact surface; a bracket for supporting the electrical contact surface; the supporting part can receive external force of the developing box so as to drive the developing box to deviate towards the direction of the electric contact surface; in the third direction, the electric contact surface is arranged at one end of the support, and the supporting protrusion is arranged at the other end of the support. In the first direction, the supporting part is overlapped with at least one part of the electric contact surface; compared with the prior art, the chip rack is provided with the supporting plate capable of receiving the external supporting force, so that the stability of electric connection between the developing box and the imaging device is further ensured.