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37results about How to "Compact and durable" patented technology

Gear shifting force detection positioning and clamping device for multi-type shifter assembly

The invention provides a gear shifting force detection positioning and clamping device for a multi-type shifter assembly. A positioning assembly is based on the positioning principle of being provided with two pins on each face, and a coarse positioning mode and a fine positioning mode are combined for positioning. The positioning assembly comprises two positioning plates, two positioning blocks, two type distinguishing detection bars and two positioning in-place detection probes, wherein the two positioning plates and the two positioning blocks are used for conducting coarse positioning. When a shifter is fixed on the positioning assembly, the approximate position of the shifter is fixed preliminarily through the positioning plates and the positioning blocks first, then the two detection bars and sensors fixed below the detection bars can act to judge the type of the shifter, meanwhile, the two positioning in-place detection probes with springs are pressed downwards by the shifter, distance change happens between the positioning in-place detection probes and sensors fixed below the positioning in-place detection probes, and in this way, whether the shifter is fixed in place or not can be judged. The positioning assembly is a detachable module type positioning assembly, and different positioning assemblies can be correspondingly used according to the requirements for different types of shifters.
Owner:SHENYANG POLYTECHNIC UNIV

Cross Groove Type Constant Velocity Joint

A constant velocity joint for a drive system comprises: an outer joint member having a plurality of inwardly facing outer ball grooves, the outer ball grooves consisting of a first group of grooves, each groove of which having a skewed groove shape with a first skew angle other than zero and alternately arranged in opposite directions relative to an axis of rotation of outer joint member, and a second group of grooves, each groove of which having a skewed groove shape with a second skew angle other than zero and alternately arranged in opposite directions relative to an axis of rotation of outer joint member, the second skew angle less than the first skew angle; and an inner joint member disposed inside the outer joint member and having a plurality of outwardly facing inner ball grooves consisting of a first group of grooves, each groove of which having a skewed groove shape with a first skew angle other than zero and alternately arranged in opposite directions relative to an axis of rotation of inner joint member, and a second group of grooves, each groove of which having a skewed groove shape with a second skew angle other than zero and alternately arranged in opposite directions relative to an axis of rotation of inner joint member, the second skew angle less than the first skew angle, each inner ball groove of the inner joint member being coupled with a corresponding outer ball groove of the outer joint member generally in crossed pair. In addition to the differentiated skew angles, the contact angles of the balls in the first and second group of grooves and other configurations may also be differentiated.
Owner:HYUNDAI WIA

Workpiece flushing device for scribing machine and scribing machine

The invention relates to the technical field of semiconductor cutting, and provides a workpiece washing device for a scribing machine and the scribing machine, and the workpiece washing device comprises at least one water curtain pipe assembly; the water curtain pipe assembly comprises a water curtain pipe, a first water inlet connector and a second water inlet connector, the water curtain pipe comprises a pipe sleeve and a water passing pipe assembly embedded in the pipe sleeve. The water inlet connectors are arranged at the two ends of the water curtain pipe correspondingly, the water flow stroke can be shortened, and therefore the pressure difference in the length direction of the water curtain pipe is reduced; meanwhile, flow channels with different lengths are arranged to be communicated with different water spraying holes in a sealed mode, so that independent closed flow channels with balanced pressure are provided for the water spraying holes in different areas, it is guaranteed that the water outlet pressure of the water spraying holes is balanced, the washing effect is improved, meanwhile, workpieces can be effectively protected against damage, and the service life of the workpieces is prolonged. And the flushing device is more compact in overall structure and small in occupied space, and reasonable layout of parts on the scribing machine is facilitated.
Owner:沈阳和研科技股份有限公司

A hidden fixing device for a suitcase

The invention discloses a luggage fitting, and particularly relates to a hidden-type fixation device for a luggage. The fixation device comprises a surface cover embedded in the luggage body of the luggage, a pressing buckle buckling with the surface cover, and a contraction mechanism disposed below the surface cover. The pressing buckle comprises a compression block. The compression block is provided with a clamping block. The surface cover is provided with a compression face matched with the compression block. The compression face is provided with a clamping slot matched with the clamping block, and an opening. The contraction mechanism comprises a rotating shaft and a coil. One end of the coil passes through the opening and is fixed to the compression block, and the other end of the coil is fixed to the rotating shaft. The surface cover of the device is embedded in the luggage body of the luggage, and therefore compared with a technical scheme that pothooks are disposed on a luggage body in a protruding manner, and other technical schemes, damage of the fixation device caused by collision to other objects is prevented in the technical scheme provided by the invention. In conclusion, the fixation device has advantages of an ingenious fixation manner, good effects and high reliability. Related components are tightly connected through a coiling manner, and therefore the structure of the fixation device is more compact and durable.
Owner:广州第九城服饰有限公司

Power-consumption-free heat dissipation device of electronic device

The invention discloses a power-consumption-free heat dissipation device of an electronic device. The power-consumption-free heat dissipation device comprises a body, wherein the body comprises a shell and a filling body. The shell wraps the filling body, the shell is made of a solid heat conduction material, and the filling body is made of a phase change material. A first air hole and a second air hole which are communicated are formed in the body, the first air hole transversely extends and forms an opening in the side face of the body, and the second air hole extends upwards and forms an opening in the upper end of the body. The power-consumption-free heat dissipation device is mounted on the electronic device. The phase-change process of the phase-change material and the first air hole and the second air hole are utilized to form a chimney effect, so that the heat dissipation of the electronic device can be conveniently and efficiently realized. The defect that a traditional radiator is subjected to high-power operation in a short time of an electronic device and generates a large amount of heat which cannot be discharged in time is overcome, so that a role in protecting the electronic device is played. Meanwhile, an external power supply does not need to be externally connected, and no noise is generated in the working process, and the heat dissipation device is compact in structure and is stable and durable. The heat dissipation device is used in the field of heat dissipation devices.
Owner:GUANGZHOU UNIVERSITY
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