4results about How to "Avoid being exposed" patented technology

The present invention discloses a molded case circuit breaker with an adjustable overload alarm non-tripping function, comprising a shell, a traction rod arranged on the shell, an overload protection mechanism and a limit structure, and an alarm trigger switch arranged on the limit structure and opposite to the traction rod. The limit structure has a function of being driven to drive the alarm trigger switch to move to a blocking position for blocking the traction rod from tripping, and being driven to drive the alarm trigger switch to move to a separation position for releasing the blocking of the traction rod, so that the alarm trigger switch is triggered when the traction rod rotates in a tripping direction. The molded case circuit breaker adopting the technical solution has an overload alarm non-tripping function and an overload tripping function, and can be freely switched between the two without changing the product. The application range is wide, the adjustment operation is convenient, and the product inspection is relatively simple. The one-time qualified rate is greatly improved, and customers have a variety of choices when using it.

The utility model discloses a continuous PCBA electric property testing arrangement belongs to PCBA electric property testing technical field, including testing machine, the end fixedly connected with of testing machine has the placement utensil, the inner wall rotationally connected with of placement utensil has two -way screw rod, one end fixedly connected with of two -way screw rod has servo motor, still include protection mechanism, the protection mechanism includes the sliding frame of sliding connection in the inner wall both sides of placement utensil, the inner wall sliding connection with of sliding frame has rubber block, the inner wall screw connection of sliding frame is in the surface of two -way screw rod, both sides fixedly connected with of sealing sleeve of sliding frame, the other end fixedly connected with of sealing sleeve is at one side of placement utensil, one side fixedly connected with of sliding frame has pressure sensor. Through above -mentioned mode, the surface of two -way screw rod is protected through sealing sleeve, avoids two -way screw rod to be exposed to the air, and then reduces the abrasion between two -way screw rod and sliding frame, thereby accurately controls the clamping intensity to PCBA.

An anti-oxidation cable belongs to the technical field of anti-oxidation cable equipment for cable production, comprises an insulating rubber tube, an anti-wear outer tube, a reinforcing device, an anti-oxidation layer, a binding device, a cable copper core and a pressing device, and is characterized in that the anti-wear outer tube is inserted around the outer side surface of the insulating rubber tube; a reinforcing device is inserted into the inner wall of the center of the circle in the insulating rubber hose, an anti-oxidation layer is inserted into the inner wall of the center of the circle in the reinforcing device, a binding device is inserted into the center of the circle in the anti-oxidation layer, a plurality of cable copper cores are uniformly distributed and inserted into the binding device, and a pressing device is inserted into each part of the side surface of the insulating rubber hose. The anti-oxidation layer is prevented from being exposed due to abrasion of the outer tube, the anti-oxidation layer can be prevented from moving in the outer tube during long-time use, and the cable copper core can be prevented from being exposed.

The utility model discloses an electrical engineering protection device relates to electrical engineering technical field, including fixed seat, and the fixed seat bottom surface four corner position is provided with through -hole, and the fixed seat both sides are provided with a plurality of connecting columns, and the connecting column upper surface is fixedly connected with the mounting panel, and the fixed seat bottom is provided with the connecting component, and the fixed seat inside is provided with the stabilizing component, and the fixed seat top is provided with the protection component. The utility model discloses, through setting stabilizing component, the cable of both -end connection is placed in the recess inside and is connected installation conveniently, and the cable is installed in the recessed seat inside, and the protection cotton column of both sides carries out the wrapping protection to the cable, and the cable is clamped in the recessed seat inside through the elastic clamp, through setting protection component, through the recess upper portion clamping installation upper portion protection board, the cable in the recess inside is protected, and the sealing ring is installed in the junction of upper portion protection board and fixed seat, avoids the rainwater to enter the recess inside, and the upper portion protection board adopts the clamping installation mode, and the convenient dismouting maintenance is convenient.