10results about How to "Prevent mutual rotation" patented technology

The invention provides an underwater connector with controllable compression amount, which comprises a plug assembly and a socket assembly which can be plugged with each other, and is provided with a guide screw and a screw limiting groove structure, when the plug assembly and the socket assembly are plugged with each other, the guide screw is inserted into the corresponding screw limiting groove; the structure can play a guiding role and also can prevent mutual rotation between the plug assembly and the socket assembly. Besides, the depth of the screw limiting groove and the length of the guide screw are designed in advance, so that the compression amount of the rolling shaft sealing element can be controlled within a proper interval during actual insertion operation, and the situation that the rolling shaft sealing element is excessively compressed due to the fact that the insertion force is too large is avoided.

The present invention discloses a multifunctional child safety lock, which mainly relates to the technical field of safety locks. It includes: a base, a button, a pressing spring, a positioning block, a limiting body, and a torsion spring; the base is connected to the positioning block through a first buckle; one end of the pressing spring abuts against the button, and the other end abuts against the positioning block; the button is connected to the positioning block through a second buckle; a positioning groove adapted to the second buckle is provided at the bottom of the positioning block; a locking block is provided on one side of the top of the base, and a locking groove adapted to the locking block is provided in the limiting body; one end of the torsion spring is connected to the limiting body, and the other end is connected to the base. The beneficial effects of the present invention are: it adopts a design that can only be opened in a double-channel manner, and the opening requires two steps, and double protection against opening can make the lock safer and more reliable, and can be locked with one key, and can be automatically locked by simply pressing a button, which is convenient to use.

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 invention relates to the technical field of automobile inspection tools, and discloses an automobile inspection tool tooling quick-switching module device, comprising a padding seat, a disassembly module mounting seat and a disassembly seat arranged on a bottom plate; the disassembly module mounting seat comprises a lower base and an upper base, an anti-rotation pin is arranged between the lower base and the upper base, the lower base comprises a lower base body and a rotating sleeve rotatably matched with the lower base body, the rotating sleeve is provided with a driving part for driving the rotating sleeve to rotate, and a locking pin is arranged in the rotating sleeve; the upper base comprises an upper base body and a positioning column installed on the upper base body, and the positioning column is provided with a locking groove slidably matched with the locking pin; the automobile inspection tool tooling quick-switching module device provided by the invention adopts a locking pin positioning and locking method, and each group of switching modules does not need to tighten bolts separately, which saves operation time, improves tooling installation efficiency, improves repeatability and reproducibility, and improves structural stability.

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.

The utility model provides a cross beam PC component, which relates to the technical field of cross beam PC components and comprises a connecting sleeve, internal threads are arranged on the surfaces of the inner walls of the connecting sleeve close to two ends, and the directions of the two internal threads are opposite. When the reinforcing steel bar hook is used, one ends of the two reinforcing steel bar hooks are respectively aligned with the connecting sleeve, the connecting sleeve is rotated, the two reinforcing steel bar hooks are in threaded connection with the connecting sleeve through the two internal threads and the two external threads, then the two reinforcing steel bar hooks are sleeved at positions needing to be installed, and the connecting sleeve continues to be rotated. One ends of the two steel bar hooks continuously penetrate into the connecting sleeve until the two steel bar hooks are clamped with the mounting positions, the distance between the two steel bar hooks can be freely adjusted through the connecting sleeve according to needs, the steel bar hooks can be matched with different mounting positions, machining procedures such as shearing and welding of tie bars on site are avoided, time and labor are saved, and production efficiency is improved. And the possibility of field processing errors is reduced, and the mounting quality and efficiency of each part are improved.

The utility model belongs to the technical field of ticket vending machines, and particularly relates to a protective device of a ticket vending machine, which comprises a ticket vending machine main body, a lower protective frame and an upper protective frame which are the same in structure and size are arranged on the left side and the right side of the ticket vending machine main body, and the lower protective frame comprises an inner rod body. One end of the inner rod body is rotationally connected with the ticket vending machine main body through a pin shaft, the outer rod body is slidably sleeved on the outer side of the inner rod body, an elastic clamping piece is arranged at one end of the inner rod body, the elastic clamping piece is elastically clamped with a positioning hole I and a positioning hole II which are formed in two ends of the outer rod body, and one end of the outer rod body is rotationally connected with two ends of the support frame through a pin shaft. A parallelogram connecting rod structure composed of the lower protection frame, the upper protection frame and the supporting frame can play a stable protection role after the supporting frame is supported on the ground, and the lower protection frame, the upper protection frame and the supporting frame are rapid and convenient to fold and unfold and easy to use. Length adjustment of the lower protection frame and the upper protection frame can be achieved through elastic clamping of the elastic clamping pieces, and operation is rapid, easy and convenient.