44results about How to "Compact and beautiful appearance" patented technology

A mechanical device of double - wedge beam deflection consists of base, two linear stepping motors, two rails, two round wedges and mirror frames and two angle coders. It is featured as placing vertical and horizontal shafts in orthogonal arrangement with their one end connected on mirror frame and their another supported by bearing, setting two said motors in base to drive two mirror frames to rotate around vertical and horizontal shafts separately and placing angle coder at one side of rotary shaft.

The invention discloses a shower system with combination of an overhead shower and a handheld shower. The shower system comprises the overhead shower which can spray water in at least two ways and the handheld shower. The overhead shower is provided with a water inlet passage communicated with a water supply source and a first water distributing passage in one-to-one correspondence with each way of water spray. The overhead shower is further provided with a second water distributing passage. The handheld shower is communicated with the second water distributing passage through an outer hose. A switching mechanism is disposed at the overhead shower. Water passage switching can be achieved by the switching mechanism in coordination with the water inlet passage, the first water distributing passage and the second water distributing passage. The optional water distributing passage can be selected to be communicated with the water inlet passage through water passage switching. The shower system has the advantages that water spray ways of the overhead shower can be selected through the switching mechanism, overall cost is lowered greatly, and the shower system is convenient and fast in switching, simple in overall structure, and outstanding in style.

The invention requests protection of a wearable forearm active rehabilitation training exoskeleton device with myoelectric perception and belongs to robot field. The wearable forearm active rehabilitation training exoskeleton device consists of an exoskeleton support, a forearm rotation mechanism, an elbow flexion-extension mechanism, a driving motor and a myoelectric signal acquisition device, and can achieve the active rehabilitation training with two degrees of freedom for elbow flexion-extension and arm rotation. A large forearm support is easier to wear with a semi-open structure, and themyoelectric signal acquisition device is embedded in a key position of lining to collect arm myoelectric signals during the process of the rehabilitation training, and then motor movements of each joint can be adjusted according to the muscle tension, improving the security and efficiency of training. The forearm rotation mechanism adopts two sets of motor-bevel gear transmission, achieving forearm flexion-extension movements through synchronous coordinated movements of two motors. The forearm rotation mechanism adopts the driving mode of wire, and the forearm rotation angle is 180 degrees. The wearable forearm active rehabilitation training exoskeleton device with the myoelectric perception is more convenient, safer and more effective in rehabilitation training and can be widely used inhospitals, communities and families.

The invention discloses a drive device of an electric motor car. The drive device comprises a shell, a motor, a speed change mechanism and a gear-shifting self-holding electromagnet, wherein the speed change mechanism comprises an output shaft sleeve, a high-speed driven gear and a low-speed driven gear are sleeved on the output shaft sleeve, and mutually matched ratchet mechanisms are arranged between the output shaft and the high-speed driven gear and between the output shaft sleeve and the low-speed driven gear. The drive device also comprises a wheel axle, wherein the output shaft sleeve is sleeved on the wheel axle through a bearing, a gear-shifting shaft sleeve capable of moving along the axial direction is sleeved on the wheel axle, the gear-shifting shaft sleeve is matched with the ratchet wheel mechanism by moving the gear shifting shaft sleeve, thus switching between high speed and low speed can be realized. The drive device provided by the invention has the advantages of high gear shifting speed, accuracy and reliability, convenience for maintenance, capability of automatically carrying out power upgrading, low cost, and capability of increasing bearing capacity of the electric motor car.

The invention discloses an isobaric grain-drying tower, belonging to the field of grain machinery. The tower body comprises a grain feeding layer, a grain storing layer, a drying bin, a cooling bin and a grain discharging layer which are laminated sequentially from top to bottom, wherein one side of the tower body is provided with a hot wind channel and a cold wind channel which are respectively as equal wide as the tower body; the other side of the tower body is provided with an exhaust gas channel as equal wide as the tower body; the cold wind channel is arranged at the inner side the hot wind channel; the lower end of the cold wind channel is provided with an atmosphere inlet; the upper side of the cold wind channel is provided with a cold wind outlet of the cold wind channel; the cold wind outlet of the cold wind channel is abutted with a cold wind inlet of the cooling bin; the lower end of the hot wind channel is provided with a hot wind inlet of a heat source; the upper end side of the hot wind channel is provided with a hot wind outlet of the hot wind channel; the hot wind outlet of the hot wind channel is abutted with the hot wind inlet of the drying bin; the cold wind outlet of the cooling bin and the hot wind outlet of the drying bin is respectively abutted with an exhaust gas channel; and the upper end of the exhaust gas channel is provided with an exhaust fan and an ash separating and discharging system. The wind resistance and the motor power consumption of the drying tower are small, and the wind quantity and the wind pressure of the hot wind or the cold wind are uniform, therefore, the quality of the dried grains is excellent.

The invention provides a hydraulic steering four-wheel drive axle of a plant protection machine. The axle comprises a horizontal main reduction gear box assembly, the two ends of the main reduction gear box are respectively and rotatably provided with a vertical knuckle assembly, the two knuckle assemblies are symmetrically arranged, the tail end of each knuckle assembly is provided with a tail end transmission assembly through a fastener, a steering mechanism used for driving the two knuckle assemblies to steer is arranged between the two knuckle assemblies and the main reduction gear box, a first included angle is formed between a knuckle pin shaft of the two knuckle assemblies and the vertical direction, and a second included angle is formed between a tail end drive shaft of the two tail end transmission assemblies and the horizontal direction. The axle is reasonable in structure and compact and attractive in appearance, passing ability is obviously improved during field work, steering, supporting and connection are firm, reliable and flexible, a tail end structure mode is improved, and passing ability is optimized.

The invention provides a center battery box, belongs to the technical field of electric bicycle accessories, and solves the problem that the existing battery box is inconvenient to mount. The center battery box is arranged in the position of a bottom bracket of an electric bicycle, and comprises a main body; a first containing tank for containing a unit battery cell module is formed inside the main body; a center shaft hole is formed in the main body; the center shaft hole penetrates through the main body; and the shape and size of the center shaft hole are matched with those of a center shaft arranged in the position of the bottom bracket. The center battery box ensures that a battery and a controller are integrated on a battery box, and the center shaft hole matched with the center shaft in the position of the bottom bracket of the electric bicycle is formed in the battery box, so that the shape of the electric bicycle adopting the center battery box is more compact and attractive; a controller cover plate and a battery box cover plate are provided, so that a battery pack and the controller are convenient to dismount, replace and maintain; and the center battery box increases the difficulty in stealing the battery after being applied to the electric bicycle, thereby having an anti-burglary function. The center battery box is more convenient to mount and more stable in quality.

The present invention relates to a stackable multipurpose shielding case which comprises a shielding case body, case L-shaped hanging plates, and a shielding case connecting piece. The shielding case body has a mounting screw capable of fixing a nut, the case L-shaped hanging plates and the shielding case body are removably installed, a single shielding case body is configured with three case L-shaped hanging plates, one hanging plate has a threaded hole and can be fixedly installed with the other two hanging plates, thus the fixation of the front surface of the stackable multipurpose shielding case is ensured, and the shielding case connecting piece cooperates with the mounting screw and nut in the shielding case body to realize the fixation of the side surface and back surface of the case body. By using the above structure, the shielding case body can be fully fixed, in addition, a two-column multiple-row stacked body can be matched with a standard cabinet for use, in multiple-column and multi-row stacking, different case L-shaped hanging plates are selected, and the fixed installation of the shielding case body at any position in the stacked body can be realized.

The present invention discloses a 126KV compound composite apparatus which aims to solve problems like complex structure and great volume in prior art. The invention comprises an air chamber by isolating switch housing, wherein a dynamic contact, a isolation switch static contact and a ground switch static contact are set in the air chamber; the ground switch static contact is set on one side of the air chamber and forms a phase angle of 90 DEG with the isolation switch; the dynamic contact is set between the isolation switch static contact in rotatable way and the ground switch static contact through a controlled shaft. In the above structure, the isolation switch and the ground switch adopt three working positions composite structure, opening and closing of the isolation switch and the ground switch can be done with only one operating mechanism without interlock between the isolation switch and the ground switch, hence cost is reduced and space is saved, and the rapid ground switch and the isolation switch share one air chamber. Compared with traditional structure appearance, the invention is provided with small volume, good-look and compact appearance.