5results about How to "Avoid vibration transmission" patented technology

The application discloses an electric vehicle charging protection device, which comprises a main body, a shielding part and a movable part, wherein the shielding part and the movable part are fixed on the main body; a controller, a button and a connecting port are arranged on the main body, the controller is connected with an external power supply and an electric device through the connecting port; a sleeve is arranged at the lower end of the shielding part, a connecting rod is arranged at the upper end of the main body, the shielding part is inserted into the sleeve through the connecting rod and is fixed at the upper end of the main body, so as to cover the button and the connecting port; the movable part comprises a support, a rotating block and a motor, the motor is fixed in the shielding part through the support, one end of the rotating block is connected with a driving end of the motor, the motor drives the rotating block to rotate and generates centrifugal force; the button and the motor are electrically connected with the controller. Through the arrangement of the shielding part and the movable part, the movable part drives the shielding part to move, the rotating block rotates and generates centrifugal force to make the accumulated snow above the shielding part fall off, the situation that the shielding part is deformed due to too much accumulated snow is avoided, and the safety and stability of the electric vehicle charging protection device are improved.

The application provides a hydraulic bushing and a vehicle, and the hydraulic bushing comprises an outer tube, an inner tube and an elastic body connected between the outer tube and the inner tube, a cavity is formed between the elastic body and the outer tube, and a limiting structure abutting against the outer tube is arranged in the cavity; the limiting structure has two limiting blocks extending to the two sides of the elastic body, respectively, two liquid chambers are formed between the two limiting blocks and the elastic body, respectively, and a flow channel communicating the two liquid chambers is arranged on the limiting structure. The elastic body has a blocking structure arranged between the two liquid chambers, and the blocking structure has blocking blocks arranged corresponding to the two liquid chambers; when the pressure of damping liquid in one of the liquid chambers is greater than a preset threshold value, the corresponding blocking block can be deformed by extrusion, so that the damping liquid passes through the blocking block and flows to the other liquid chamber. The hydraulic bushing changes the fixed characteristics of the traditional bushing damping, and through the arrangement of the limiting structure and the blocking structure, the vehicle handling and comfort performance can be improved.

The utility model discloses a mounting bracket for a vacuum booster pump, which relates to the technical field of mounting brackets and comprises a booster pump body, a frame plate is provided with a through hole and a mounting hole, one end of a support screw tube penetrates through the mounting hole and extends to one side of the frame plate, and the mounting hole is provided with a sealing hole. A fixing assembly used for installing the supporting screw tube on a frame plate is arranged on the supporting screw tube, and the supporting sleeve is connected to the other end of the supporting screw tube in a threaded mode. The vacuum booster pump is reasonable in design structure, the supporting screw tube, the supporting sleeve and the abutting plate are arranged in a matched mode, the two-way locking structure of the fixing ring and the limiting nut is matched, the installation stability of the vacuum booster pump on a vehicle frame is obviously enhanced, the supporting nut further limits displacement of the supporting sleeve, and the service life of the vacuum booster pump is prolonged. The shaking of the booster pump when a vehicle runs on a bumpy road is effectively reduced, and the vibration transmission problem caused by the elastic buffer sleeve is avoided, so that the reliability of connection with a brake structure is guaranteed, and the brake safety is improved.

The utility model discloses a kind of flexible damping mechanism of travelling crane, belong to damping mechanism technical field, it includes: protective shell, protective shell top end fixed mounting limit shell, sliding pressure plate is slidably installed in limit shell, hydraulic damper is fixedly installed in protective shell, hydraulic damper output end is fixedly connected with sliding pressure plate bottom end, threaded block is screw-connected on the outer side of hydraulic damper, rotating plate is rotatably installed in the top end of threaded block, large spring is fixedly installed in the top end of rotating plate, large spring top end is fixedly connected with sliding pressure plate bottom end, fixed spring and support rod one are fixedly installed in the top end of sliding pressure plate, the utility model is cooperated by vertical hydraulic damper plus spring and other structures, improves stability, threaded block design allows to adjust damping parameter on site, without replacing parts, stress is dispersed by hierarchical buffer structure, prolongs the service life of single element, protective shell and limit shell protect internal element from dust, moisture erosion.