91results about How to "Save external space" patented technology

The invention discloses a two-wheel dynamic balance vehicle which comprises two wheels, a vehicle body, a middle cabin, a steering mechanism and a controlling rod. The vehicle body is arranged on the wheels, a pedal is arranged on the vehicle body, the middle cabin is arranged right above the pedal and comprises a shell, a display device is arranged on the shell for the convenience of an operator standing on the pedal to see man-machine interaction information, the steering mechanism is contained inside the shell and comprises a steering shaft and a sensor, the controlling rod is connected with the steering shaft at the rear end of the vehicle body and extends to a position suitable for leg control of the operator from the rear end of the vehicle body, and the controlling rod is controlled by the operator to rotate so as to drive the steering shaft to rotate to control steering of the vehicle body. The two-wheel dynamic balance vehicle enables the operator to see information displayed by the display device during driving for the convenience of timely knowing battery capacity and traveling state.

The invention relates to the field of circuit boards, and discloses a PCB rapid in heat dissipation. The PCB comprises a stepped groove and a stepped high-thermal-conductivity metal block which is arranged in the stepped groove, and solder paste is arranged between the top surface of the stepped high-thermal-conductivity metal block and a high-power component on the surface of the PCB; a conductive heat-conducting adhesive sheet is arranged between the shoulder of the stepped high-thermal-conductivity metal block and a metal layer adjacent to the stepped high-thermal-conductivity metal block.The stepped groove is formed in the PCB and the stepped high-thermal-conductivity metal block is embedded in the stepped groove so that heat generated by the high-power component and the metal layer in the PCB can be transmitted into air through the stepped high-thermal-conductivity metal block in time, the heat dissipation performance of the PCB is improved, the structure is simple, and the PCB is more convenient to process and install.

This invention discloses a linkage unit for a car air-conditioning door including a first air door, a second air door, a first door connecting rod, a second connecting rod, a rotary unit and a rotating shaft, in which, the first rod is connected with the first air door, the second is connected with the second air door, the two connecting rods are connected with the rotary shaft separately, said rotating unit drives the rotary shaft, which drives the two connecting rods to rotate to open or close the two doors. This invention also discloses a linkage device of car air-conditioning door.

The invention relates to an efficient integrated oil tank integrating functions of settlement, cooling, filtration and adsorption and application of the efficient integrated oil tank. The integrated oil tank comprises a tank body, wherein a tank cover is arranged above the tank body, and is provided with an oil inlet pipe and an oil outlet pipe, a filter screen is arranged in the tank body, and divides the interior of the tank body into a left chamber and a right chamber, a sidewall cooling pipe is arranged in the left chamber, the oil inlet pipe is arranged in the right chamber, and the oil outlet pipe is arranged in the left chamber. A rotary cooling adsorption system is further arranged on the tank body, and can improve cooling and adsorption effects on hydraulic oil. Compared with the prior art, a rotatable cooling pipe, the filter screen and the rotary cooling adsorption system are added, and impurity settlement and filtering of the hydraulic oil and cooling of oil temperature can be completed. Meanwhile, the devices are all arranged in the oil tank, so that the outer space is saved and the arrangement of other hydraulic components is facilitated, diverse functions are integrated, the work efficiency is improved and the work space is saved.

The invention is suitable for the technical field of metallurgical equipment, and provides a direct type horizontal moving device of a working roll. The direct type horizontal moving device comprises a rack, a hydraulic cylinder, a fixed block and a roll bending block, wherein the fixed block is fixedly arranged on the rack, the hydraulic cylinder is arranged at the inner part of the fixed block, a movable end of the hydraulic cylinder is positioned in the roll bending block, and the hydraulic cylinder drivers the roll bending block to move in the fixed block in a reciprocating way under the guiding action of the fixed block. According to the direct type horizontal moving device provided by the invention, the roll bending block is directly driven through the hydraulic cylinder, the structure is compact, a tapered wedge, a tapered wedge cylinder and an auxiliary cylinder are omitted, the horizontal moving of the working roll and the roll exchanging operation can be simple and reliable, the use of various types of working roll bearing seats can be met, and the application is wide.

The invention discloses a cavity filter comprising an enclosed cavity formed at least one surface, and a tuning screw device assembled on at least one surface. The tuning screw device comprises a tuning screw rod at least partially in threaded connection with the cavity and a locking member for locking the tuning screw rod. The tuning screw rod and the locking member are screwed in a threaded hole on the cavity. One end of the locking member is in abutting joint with one end of the turning screw rod to generate a pre-tightening force to lock the tuning screw rod. The other end of the locking member does not protrude from the threaded hole. The screw rod of the tuning screw device of the cavity filter provided by the invention has a good locking effect and is not liable to loosen. And the screw device can be arranged under a locking workpiece surface, so that the external space of the locking workpiece is reduced. The tuning screw rod and the locking member are easy to process and can be repeatedly used.

The invention relates to a rainproof structure capable of reducing the equipment manufacturing cost and saving the use space used in a silencer and an exhaust silencer adopting the structure. The rainproof structure is characterized in that a water discharge mechanism is arranged on the top inside a machine case of the silencer and consists of a hollow case, a rectifying net, a rain blocking plate and a water discharge pipe, wherein the water discharge pipe is used for guiding out accumulated water on the rain blocking plate, and the upper end of the rectifying net is also fixedly connected with a rain guide component. The rainproof and rain discharge structure is arranged inside the machine case of the silencer, the function of the silencer for reducing the noise is not influenced, the external use space is also saved, and in an integral aspect, the cost is not greatly increased under the condition of adding new functions, so the equipment manufacturing cost is effectively reduced. The rainproof structure and the silencer have the advantages that the structure is simple, the layout is reasonable, the installation is convenient, the multifunction of a diesel engine for a boat is realized, the boat manufacturing cost is also reduced, and the space utilization rate of boat equipment is also reduced.

The invention relates to a constant-flow device. A logic control unit controls a first power tube to be conducted, a primary winding of a first transformer starts to store energy, a first comparator generates a signal for switching off the first power tube, and the energy stored by the first transformer is released by a secondary winding; according to a relation of a same phase of an auxiliary winding and the secondary winding, the demagnetization duty ratio of the auxiliary winding can be obtained, and a demagnetization duty ratio detection unit transmits a demagnetization duty ratio signal to a current gating unit and controls switching-on and switching-off of the current gating unit; a reference current unit is a pull-down current source and always discharges for a first capacitor, andwhen dynamic balance is achieved, the average current which flows in the current gating unit is equal to the pull-down current of the reference current unit. According to the constant-flow device, theoutput current is only related to the reference current of the reference current unit, constant-flow output is achieved during output of different voltages, any sampling resistor does not need to bearranged at the secondary side of the transformer, the outer space and cost are saved, and the whole efficiency is improved.

A padlock mechanism is composed of the first bearer, a locking unit and the second bearer. Said locking unit has a spring in the first bearer, a bolt on the spring and an axle rod pivoted to the first bearer and pushing said bolt. Said axle rod has also a recess. Said the second bearer linked with said axle rod can be turned to make the recess on axle rod come to the position above said bolt, and under the action of spring, the bolt comes in the recess.

An integrated house comprises a flat plate type solar thermal collector, a hot water tank communicated with the solar thermal collector through a pipeline, a big tank body and a small tank body capable of contracting into and extending out of the big tank body. The depth of the small tank body is smaller than or equal to the depth of the big tank body. A frame of the big tank body and a frame of the small tank body are each formed by a steel structure. The steel structure of the big tank body comprises perpendicular groove-shaped wall body folding pieces. The integrated house is characterized in that the top in a groove of each wall body folding piece is connected with a connecting shaft in a pivoting mode, the end, located in the corresponding groove, of each connecting shaft is fixedly connected with one end of a connecting rod with a turning part, the end, located outside the bottom wall of the corresponding groove, of each connecting shaft is fixedly connected with a pivot edge of a canopy, the other end of each connecting rod is hinged to one end of a connecting plate, the other end of each connecting plate is hinged to a first piston rod of a first dual-acting cylinder in the groove of the corresponding wall body folding piece, and each first dual-acting cylinder is communicated with a hydraulic pump station through a hydraulic oil pipe. Through the upward acting force of gas supporting rods, the problem that when the canopy is lifted up, the torsion is large is solved, and meanwhile it can be ensured that after being lifted up, the canopy can fall back.

The present invention relates to a power-assisted connector, a power-assisted plug, and a power-assisted socket. The power-assisted connector includes a plug and a socket used in cooperation. The respective front ends of the plug and the socket are used as plugging ends. The plug and / or the socket are / is provided with a power-assisted differential pressure air path in communication with an intakeand exhaust device to form a power-assisted differential pressure area at the plugging ends. The respective front ends of the plug and the socket are used as plugging ends, and the power-assisted differential pressure area is formed at the plugging ends by means of the power-assisted differential pressure air path so as to provide force for assisting the insertion and extraction. When the plug isinserted, the negative pressure is maintained in the power-assisted differential pressure area by means of the exhaust device in order to provide force for assisting insertion. When the plug is pulledout, the positive pressure is maintained in the power-assisted differential pressure area by means of the exhaust device in order to provide force for assisting extraction. In addition, a manual flipping and unlocking operation is not required, and the insertion and extraction operations are optimized. Moreover, it is not necessary to provide a mechanical structure outside the plug, which saves external space.

The invention provides a reciprocating moving part transient temperature detection device and an installation method thereof. A blind hole is machined inside the top end of the reciprocating moving part. The detection device comprises a temperature sensor installed in the blind hole and a temperature acquisition device arranged outside the reciprocating moving part. The blind hole is filled with high-temperature thermal conductive adhesive. The temperature sensor is connected with the temperature acquisition device through a spiral tubular cable. The technical scheme provided by the invention has the advantages of easy operation, high temperature measurement precision, long working life, and high reliability. The problem that it is difficult to install the temperature sensor of a reciprocating moving part in a narrow space and the problem that a temperature sensor cannot be installed during temperature detection of a clutch friction plate and a steel plate in a transmission device are solved.