12results about How to "Reduce overall form factor" patented technology

The utility model discloses a rotor, a motor and a household electrical appliance, and relates to the technical field of motors. The rotor comprises the yoke part and the plurality of permanent magnets, the plurality of grooves are formed in the inner side wall of the yoke part, and the plurality of permanent magnets are mounted in the corresponding grooves, so that the grooves can play a role in positioning, the permanent magnets are convenient to mount, and the mounting efficiency is improved. As the grooves are formed by recessing the inner side of the yoke part, after the rotor provided by the embodiment of the utility model is applied to the motor, the rotor can be matched with rotors with the same size and model without increasing the overall dimension of the motor. The permanent magnets protrude towards one sides of the grooves, so that the sizes of the permanent magnets can be increased, and the magnetic field intensity is improved; and the magnetic lines of the permanent magnets are gathered on one side close to the motor air gap, so that the air gap flux density can be improved, the saturation degree of the rotor is reduced, and the output power of the motor is improved.

This invention provides a locking and releasing mechanism, method, and aircraft, comprising: a housing, an elastic element fixing rod, a rotating shaft, an assisting elastic element, a locking hook, and a locking force-bearing element. The elastic element fixing rod and the rotating shaft are fixedly disposed at intervals within a receiving cavity. The assisting elastic element is disposed within the receiving cavity, with one end connected to the elastic element fixing rod. The locking hook is disposed within the receiving cavity and is rotatable around the rotating shaft. The locking hook is connected to the other end of the assisting elastic element. The locking hook includes a first locking hook segment, a second locking hook segment, and a third locking hook segment connected in sequence. The locking force-bearing element is movable along the height direction of the housing and can selectively engage with a locking hole. The locking force-bearing element can abut against the first locking hook segment to restrict its rotation. This invention addresses the technical problems of existing locking and releasing mechanisms being overly complex in structure, having numerous operating procedures, and being difficult to quickly disassemble in emergency situations.

The present invention relates to a display assembly module. It comprises: a frame assembly, comprising a main body and a wing portion, the wing portion is connected to the edge of the main body, the wing portion and the main body are jointly arranged to form a sink, the main body has a first inner surface, the wing portion has a second inner surface, the first inner surface and the second inner surface jointly define the boundary of the sink; and a screen assembly, embedded in the sink and abutting against the wing portion. It can be ensured that the part embedded in the sink will not occupy the dimension of the entire display assembly module in the thickness direction. On the basis of the constant total thickness dimension of the screen assembly, the height of the screen assembly protruding relative to the frame assembly is reduced, thereby reducing the thickness of the entire display assembly module, making the structure of the entire display assembly module more compact. At the same time, the wing portion of the frame assembly will form a good protective effect on the part of the screen assembly located in the sink.

The present application relates to a current collecting member, a battery cell, a battery, and a power consuming device, which belong to the technical field of battery manufacturing. The present application provides a current collecting member for a battery cell. The current collecting member comprises: a terminal connecting portion for connection to an electrode terminal of the battery cell; a tab connecting portion for connection to a tab of the battery cell; and a transitional portion for connecting the terminal connecting portion and the tab connecting portion; wherein the transitional portion has a width greater than that of the tab connecting portion. The present application further provides a battery cell, a battery, and a power consuming device, which comprise the current collecting member. The battery cell, the battery and the power consuming device all have high safety performance and energy density due to the features of the current collecting member.

The utility model provides an output device of a traveling driving speed reducer of a heading machine. The output device comprises a single-plate planet carrier, a gear ring, a planet wheel, a sun wheel, a sliding bearing and a shaft sleeve, a plurality of planet wheel mounting columns are arranged on the surface of one side of the single-plate type planet carrier in the circumferential direction. Each planet wheel mounting column is rotationally provided with one planet wheel through a planet wheel bearing. The planet gear is respectively meshed with the inner teeth of the gear ring and the sun gear; the single-plate planet carrier is rotationally mounted in an inner hole of the gear ring through a sliding bearing; the sliding bearing is fixedly mounted on the gear ring; the shaft sleeve is detachably installed on the side face of the front end of the single-plate type planet carrier. An outer spigot is formed in the side face of the single-plate type planet carrier, and the sliding bearing is located between the outer spigot and the shaft sleeve. Under the condition that the installation form and the appearance size of the speed reducer are not changed, the large torque output and sealing requirements can be met.

The invention discloses a compressor pump body structure, a compressor and an electric appliance, and relates to the technical field of compressors. According to the compressor pump body structure provided by the invention, during air suction, the piston is embedded in the cylinder hole, and the boss is embedded in the connecting through hole, so that the end face of the boss and the end face of the piston are matched according to the connecting through hole to form a second air suction containing cavity, and on the basis of not increasing the overall dimension of a compressor, the overall dimension of the compressor is not increased. And the suction capacity of the compressor is improved. During exhausting, the piston is flush with the end face of the cylinder hole, and the boss extends out of the connecting through hole. The end face of the boss protrudes out of the end face of the piston, the exhaust clearance volume in the cylinder hole can be reduced, and therefore the exhaust amount of the compressor is improved on the basis that the overall dimension of the compressor is not increased. Therefore, the compressor can be miniaturized while the air displacement and the air suction amount of the compressor are increased.

The invention provides a high-speed wind tunnel large-amplitude pitching and yawing coupling motion mechanism and a test method, and belongs to the technical field of wind tunnel special tests. The problems that in the prior art, an aircraft disturbs a flow field in a high-speed wind tunnel due to a tail strut, the load of a driving mechanism is increased due to the large size of a moving part, and model regular oscillation is difficult to achieve are solved. Driving shafts at the two ends of a pitching mechanism are installed on the side wall of a wind tunnel and connected with an external driving mechanism, and a yawing mechanism is perpendicularly installed in the middle of the pitching mechanism through a connecting base. The yaw oscillation shaft is connected with the transmission shaft through the bevel gear set, the balance is installed at the front end of the yaw oscillation shaft, and the test model is installed on the balance. A yaw motor in the connecting seat is connected with an inclined speed reducer, and an output shaft of the inclined speed reducer is connected with a transmission shaft. The problems that in the prior art, an aircraft disturbs a flow field in a high-speed wind tunnel due to a tail supporting rod, the load of a driving mechanism is increased due to the large size of a moving part, and model regular oscillation is difficult to achieve are solved.

The invention discloses a converter evaporation cooling fixed flue device and a replacing method, and relates to the technical field of converter steelmaking equipment overhaul in the metallurgical industry, the converter evaporation cooling fixed flue device comprises a fixed flue, a tail flue, a fixed hoisting tool and a movable hoisting device, the fixed flue comprises a first lower-section flue, a first middle-section flue, a first upper-section flue and a first connecting pipe; the fixed hoisting tool is used for hoisting the first lower-section flue, the first middle-section flue, the first upper-section flue and the first connecting pipe to designed positions; the movable hoisting device is used for hoisting the second lower-section flue, the second middle-section flue, the second upper-section flue and the second connecting pipe to designed positions, the structure is simple, and the replacement safety of the evaporative cooling flue is effectively improved.

The coaxial hydraulic clutch comprises a main shaft, a cylinder sleeve, a gear ring, a first piston, a second piston, a first driving hub, a second driving hub and a third driving hub, the main shaft is fixedly connected with the cylinder sleeve, the cylinder sleeve is further meshed with one end of the gear ring, the other end of the gear ring is meshed with the first driving hub, one end of the first piston is arranged between the cylinder sleeve and the main shaft in a sleeved mode, and the other end of the second piston is arranged between the cylinder sleeve and the third driving hub. The second piston is arranged between the first piston and the cylinder sleeve in a sleeved mode, a first oil cavity is defined by gaps among the first piston, the cylinder sleeve and the main shaft, a second oil cavity is defined by gaps among the first piston, the second piston and the main shaft, a middle through hole is formed in the main shaft, and a first oil inlet hole is formed between the first oil cavity and the middle through hole. And a second oil inlet hole is formed between the second oil cavity and the middle through hole. By the adoption of the technical scheme, the overall dimension and the size of the clutch are greatly reduced, the clutch can be applied to a narrow space of a small vehicle, the structure is simple, the number of parts is reduced, and the manufacturing cost of the clutch is reduced.

The planetary roller lead screw comprises a lead screw body, rollers, a retainer, a nut, pistons, an input gear and a thrust bearing, the rollers are provided with multiple sections of outer ring grooves, the nut is provided with multiple sections of inner ring grooves, the rollers are annularly arranged outside the lead screw body through the retainer, the nut is arranged outside the rollers, and the input gear is arranged on the thrust bearing. The roller rotates around the lead screw in the axial direction. According to the invention, the lead screw is used as an input rotating shaft, so that the roller can axially move while rotating and revolving, and the roller drives the nut to rotate through friction, so that the nut axially moves at the same speed, the braking response time of the mechanism can be effectively prolonged, and the boundary dimension and the overall volume of the lead screw can be reduced; the planetary roller lead screw is mainly characterized in that the rollers are stressed through linear contact, the stressed area is large, the bearing capacity of the planetary roller lead screw is effectively improved, and the service life of the planetary roller lead screw is effectively prolonged.

A gas-insulated metal-enclosed switchgear that is easy to dissipate heat, wherein a heat dissipation top cover (11) is provided on the top of the switchgear, and the interior of the switchgear is divided into a front cabinet (7), a middle cabinet (23) and a rear cabinet (25); a square air chamber (20) is fixedly supported by an air chamber bracket (24) in the middle of the middle cabinet (23); the square air chamber (20) includes an outlet bushing (8), a copper busbar (18), a 4# inner cone (17) and a heating element of a test joint (2# inner cone) (21) which are evenly and dispersedly arranged in the square air chamber (20); three vertical outlet bushings (8) externally connected to a connecting busbar (9) located above the square air chamber (20) are arranged in an oblique "I" shape on the front of the top plate of the square air chamber (20); a circuit breaker (4) and an isolating switch (6) located in the front cabinet are installed on an aluminum alloy installation plate (5) to form a whole, and then installed on the front plate of the square air chamber (20). The present invention can control the temperature rise of a series of gas-insulated metal-enclosed switchgear within a reasonable range.