4results about How to "Prevent mutual rotation" patented technology

The utility model discloses a precision assembly cleaning module for consumer electronics, which relates to the technical field of cleaning equipment and comprises a base, a rolling shaft is fixedly arranged in the base, a first circular ring is rotatably arranged on the rolling shaft, a second circular ring is arranged below the first circular ring in a threaded manner, two rotating arms are fixedly arranged on the second circular ring, and first nozzles are fixedly arranged on the rotating arms. A lower shell is fixedly arranged at the lower end of the second circular ring, and two second nozzles are fixedly arranged on the lower shell. High-pressure air is sprayed out of the nozzles, floating ash and foreign matter on the surface of a product needing to be cleaned can be removed under the condition that the product is not contacted, the first nozzle and the second nozzle are different in rotating radius, two different air rails are formed, the cleaning area of the device is enlarged, the ion air nozzle blows ion air, and the cleaning effect is improved. And the flange plate is externally connected with a dust suction device, the floating dust and the foreign matter on the surface of the product are sucked, and the surface of the product is thoroughly cleaned.

The utility model discloses a pole structure, a top cover assembly and a battery, the pole structure comprises: a pole body, the peripheral side of the pole body is provided with a first anti-rotation groove and a first anti-rotation positioning hole; the edge of the inner side of the aluminum ring extends upwards to form an enclosing wall blocking cover structure, and a second anti-rotation groove and a second anti-rotation positioning hole are formed in the upper surface of the enclosing wall blocking cover structure; and the injection molding parts are filled in gaps among the injection molding parts, the pole column body and the aluminum ring, the peripheral side of the pole column body and the upper surface of the enclosing wall blocking cover structure. According to the pole structure, the top cover assembly and the battery provided by the embodiment of the invention, when the injection molding part is filled, mutual rotation between the pole body and the aluminum ring is prevented through the anti-rotation positioning effect of the first anti-rotation positioning hole and the second anti-rotation positioning hole; after filling and injection molding, mutual rotation between the pole body and the aluminum ring is prevented through the first anti-rotation groove and the second anti-rotation groove, so that the assembly accuracy and precision of the top cover assembly are improved.

The utility model discloses an anti-cracking injection molding magnetic ring assembly which comprises an injection molding magnetic ring body and a metal installation ring, the metal installation ring comprises a connecting ring and an installation ring, the installation ring is arranged at one end of the connecting ring, the end face of the connecting ring is connected with the injection molding magnetic ring body, and the installation ring is connected with the injection molding magnetic ring body. The end face of the connecting ring is provided with a plurality of embedded blocks which are arranged in an annular array and embedded into the injection molding magnetic ring body. According to the utility model, the end face of the connecting ring is provided with the ten embedding blocks which are arranged in the annular array and are embedded into the injection molding magnet ring body, so that the injection molding magnet ring body is connected with the metal mounting ring, the connecting strength is ensured, and the injection molding magnet ring body and the metal mounting ring are prevented from rotating or falling off from each other.

The utility model discloses a kind of workbench quick positioning device and trolley, including positioning support, pedestal, rotary block and lock bar, pedestal is installed on positioning support, the circumferential groove of several continuous arrangements is equipped on the upper end of pedestal, the rotary block is equipped in the upper portion of pedestal, the handle is equipped in the one side of rotary block, the pressing plate is equipped in the upper portion of rotary block, the convex platform of several continuous arrangements is equipped in the lower end axial of rotary block;Pedestal inside is equipped with sleeve, sleeve upper end is connected with rotary block, lock bar is fixedly connected in the inside of sleeve, the lower end of lock bar is connected with T type sliding block by passing through pedestal and positioning support, T type sliding block is installed in the T type sliding slot of workbench surface.This utility model is by rotating handle, using the matching surface of rotary block and pedestal, drive lock bar and T type sliding block to rise, reduce the gap between T type sliding block and positioning support, realized the quick clamping of quick positioning device on workbench surface, without repeatedly screwing bolt, improve the efficiency of quick positioning device dismounting, adjustment.