122results about How to "Simple and reliable assembly process" patented technology

The invention provides an electric pressure cooker adopting a side wall temperature measuring and pressure controlling mode. The electric pressure cooker comprises a main body for heating and an inner pot, wherein a heating element is arranged on the main body; a control panel for controlling the heating element to work is arranged on the wall of the heating element; the inner pot is placed on the heating element; a temperature measuring element is fixed on the side wall of the inner pot and is electrically connected with the control panel on the main body. According to the electric pressure cooker adopting the side wall temperature measuring and pressure controlling mode, provided by the invention, the assembly in production can be facilitated, and function failure and pressure potential safety hazards of the electric pressure cooker due to the wear to a lead caused by opening and closing of a cooker cover are avoided.

The invention relates to a device for assembling a casing ring in a watch case middle including bearing surfaces on the inner wall thereof, the casing ring including two housings opening in the lateral face of the casing ring, and in the upper or lower face of the casing ring.The device includes a locking part, capable of pivoting about a vertical axis of rotation passing through said upper or lower opening from a first position, in which the locking part is housed in the housing, to a second position, in which the locking part protrudes and abuts against a bearing surface of the inner wall of the case middle so as to hold said casing ring in said case middle.According to the invention, one locking part is snap-fitted in each of the housings and pivots about the vertical axis of rotation.The invention also concerns a watch fitted with such an assembly device.

The invention relates to a pneumatic rivet tool. The pneumatic rivet tool comprises a self-locking gun head, a mandrel-pushing assembly, an oil cylinder assembly, a switch trigger, a handle housing and a valve body assembly, wherein the mandrel-pushing assembly is arranged in the oil cylinder assembly, and the front end of the mandrel-pushing assembly is connected with the self-locking gun head through a three-jaw; the handle housing is fixed below the oil cylinder assembly; the valve body assembly, the switch trigger for controlling opening and closing of the valve body assembly, and a hydraulic oil cavity are arranged in the handle housing; an air cylinder body is arranged at the lower end of the handle housing, and a piston, and a ventilation guide tube connecting a communication hole in the side surface of the valve body assembly with the piston, are arranged in the air cylinder body; a piston rod connected with a hydraulic oil cavity is arranged on the piston; and an intake connector connected to the lower end of the valve body assembly is further arranged on the air cylinder body. The tool is simple in structure, capable of realizing single-hand random-direction riveting, reasonably using a space in the handle housing, and cyclically utilizing waste gas after riveting, green and environment-friendly, energy-saving, low in noise, less in pollution, and capable of increasing working efficiency.

A centered torque transmission locking combined mechanism of a multi-stage high-speed turbine comprises a rotary shaft and a plurality of stages of impellers installed on the rotary shaft. The multiple stages of impellers are in transmission connection with the rotary shaft so as to drive the rotary shaft to rotate. The multiple stages of impellers are engaged through end teeth so that transmission connection can be achieved. Locking nuts are arranged at the two ends of the multiple stages of impellers so as to apply pretightening force to the multiple stages of impellers. The centered torque transmission locking combined mechanism has the advantages that the efficiency is high, transmission of axial force and torque is stable, the structure is compact, assembly is easy, and the working condition adaptability is high.

The invention belongs to the technical field of transformers, and provides a transformer assembly tool. The tool comprises three parts, namely a transformer body placement frame, a base and a traction motor. Open-type mining transformers at two ends are assembled by the tool; forklift operation is not needed; a transformer body is easily pulled into an explosion-proof housing through a support guide rail on the transformer body placement frame under the stretching of a traction mechanism; the explosion-proof housing is visually transparent and free of a shield in the assembly process, so that the assembly condition of the transformer body and the explosion-proof housing can be conveniently observed; assembly interference and the problems of electrical distance deficiency and the like caused by a poor assembly sight line can be effectively avoided; operational experience with high demands is not needed; and the assembly process is simple and reliable. The track gauge and the horizontal height of a support track on the transformer body placement frame are adjustable; and the distance of a baffle plate on the base along the traction direction is adjustable, so that the universality is high.

The invention relates to a digital control gear milling machine of a spiral bevel gear. The digital control gear milling machine comprises a machine body, uprights, a cutter spindle housing, a workpiece spindle housing and a rotary working platform. The digital control gear milling machine is characterized in that the machine body is of an L-shaped structure with a slope on the surface, one side edge of the machine body, which is close to the outside, is provided with a chip groove, a hollow upper upright is arranged adjacent to the chip groove through a sliding plate, a wall-mounted sand wheel spindle housing is arranged on the outer wall of the upper upright, the upper upright is internally provided with a balance weight mechanism and is connected with the cutter spindle housing, a gear backlash eliminating mechanism is arranged on the workpiece spindle housing, and the rotary working platform adopts a rotary integer comprising a working platform spindle and the like and is of a fixed integral structure formed by a rotating platform bearing outer ring and a support sleeve. The digital control gear milling machine has the advantages that chips are smoothly discharged, deformation caused by overheating of the machine body is avoided, machining requirements of two gear mechanisms of a reducing gear and a constant-depth gear can be met, the rotary working platform is high in location precision and large in driving torque and has a self-locking function, the workpiece spindle box brings the convenience for regulation of a gap, and the problems of unstable gear transmission, overlarge gap, large noise and low efficiency are solved.

The invention provides a high voltage distribution box for the inside of a battery pack of an electric vehicle. The high voltage distribution box is mounted at the inside of the battery pack of the electric vehicle and comprises a box body and a box cover, wherein the box body is provided with a battery pack total positive terminal, a battery pack total negative terminal, a battery pack output positive terminal, a battery pack output negative terminal, a direct-current fast-charge positive terminal, a direct-current fast-charge negative terminal, a signal control connector, a high-voltage low-current connector, a high and low voltage integrated circuit board, a control unit (comprising a total positive line control contactor, a total negative line control contactor, a direct-current fast-charge positive control contactor, a pre-charge contactor and a PTC (Positive Temperature Coefficient) positive control contactor), a protection unit (comprising a contactor closing state monitoring circuit and a fuse protector), a current sensing unit (comprising a high-precision current sensor IC (Integrated Circuit)) and an overheating alarm unit (comprising a thermistor and an operational IC).The high voltage distribution box provided by the invention is innovated in the aspects of circuit structure, manufacturability, shock resistance, current sensing precision, overheating protection andcontactor closing monitoring, and the space can be saved by 30%.

The invention provides a large-power light-emitting diode (LED) heat dissipation mechanism comprising an evaporator, two guide pipes, an air convection heat dissipation condenser and water, wherein the evaporator is connected with the condenser through the two guide pipes, and the bottom of the evaporator is an insulated and heat-conductive LED substrate. The heat dissipation mechanism provides a low-cost solution which is light in weight, simple and reliable in structure and high in heat-conductive and heat dissipation efficiency for large-power LED application, particularly integrated large-power LED application.

The invention discloses a detection box comprising a detection box body and a box cover. The detection box body is a cuboid, protrusions are arranged in the detection box body, bosses directly facing the protrusions are arranged on the box cover, a snap is arranged on each boss, and a snap fixing groove is arranged in each protrusion; when the detection box is closed, each snap is embedded in the corresponding snap fixing groove, and the end face of each protrusion is attached to the end face of the corresponding boss; a plurality of circuit board brackets are arranged in the detection box body. The detection box has the advantages that the detection box is neat in appearance, convenient to mount, more compact in overall structure and simple and reliable in assembly and has good production manufacturability, screw-free design is adopted for product assembly, and the internal space of the detection box body is utilized effectively.

The invention relates to a movable and detachable pot handle, which includes a handle and a pot handle connecting seat installed on the pot body. One end of the handle is arranged with an inner cavity with an open end, and a wedge-shaped slider is slidably installed on the bottom of the inner cavity. The wedge-shaped slider The upper end surface of the block is embedded with a sliding upper slider, and the upper end surface of the handle is arranged with a sliding button. The lower end of the sliding button is connected to the upper slider through a rectangular sliding through hole. The inner walls are connected; the upper end of the handle connection seat is arranged with a groove and inserted into the inner cavity of the handle, and the top of the opening end of the inner cavity of the corresponding handle is arranged with a raised block, and the raised block is embedded in the groove. The front end of the groove on the connecting seat is stuck between the raised block in the inner chamber of the handle and the upper sliding block. The structure of the internal interlocking mechanism of the present invention is simple and reliable, the precision of the internal parts is low, the assembly is simple, the whole does not need screw connection, and the pot handle and the pot body are firmly combined without loosening, which is safer and more reliable.