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61results about How to "The fixing method is simple and reliable" patented technology

Harness connector with barb for automatic transmission

The invention relates to the technical field of the connector, in particular to a harness connector with barbs for an automatic transmission, which comprises a plastic connector shell. The front end of the plastic connector shell is a cylindrical body, the edge of the rear end of the plastic connector shell is provided with a propping part, and connecting holes penetrating from the cylindrical body to the rear end of the plastic connector shell are arranged in the cylindrical body of the plastic connector shell; and terminals penetrate through the front ends of the connecting holes, wires penetrate through the rear ends of the connecting holes, and the front ends of the wires are connected with the rear ends of the terminals. The harness connector is characterized in that inclined flexible barbs are symmetrically arranged outside the cylindrical body of the plastic connector shell. The invention mainly solves the technical problems that the existing harness connector of the automatic transmission can not fix after being placed into a box, the fixation of the harness connector needs additional clamp plates or clamp springs, and the assembly process is complex, and can reduce the matching diameter of the harness connector of the automatic transmission with the box. Moreover, the harness connector with the barbs can be fixedly installed very conveniently.
Owner:SHANGHAI LAIMU ELECTRONICS

Portable support frame for digital projector

The invention relates to a portable support frame for a digital projector. The portable support frame comprises a support block and a support device; the support block is provided with a clamping device; a sliding groove is formed in the upper end face of the support block; a containing groove is formed in the bottom of the sliding groove; movable grooves are formed in the upper end face of the support block; the multiple movable grooves are formed in the circumferential direction of the sliding groove at intervals; the clamping device comprises a driving block arranged in the sliding groove in a sliding mode, clamping parts arranged in the movable grooves in a rotating mode and a fixing assembly arranged on the support block; a limiting groove is formed in one side of the driving block; the clamping part comprises pin shafts fixed in the movable grooves, first rods rotationally arranged on the pin shafts and second rods vertically fixing the sides, away from the driving block, of thefirst rods; the ends, away from the second rods, of the first rods are movably arranged in the limiting groove; the upper ends of the second rods are attached to the outer side wall of the projector;a reset spring is arranged in the containing groove; and the two ends of the reset spring are fixed to the lower end face of the driving block and the bottom of the containing groove correspondingly.The portable support frame has the effect of being capable of improving the installation stability of the projector.
Owner:BEIJING YUNLOOK CULTURE MEDIA CO LTD

Contra-rotating gas compressor structure and composite type anti-whirling device structure suitable for contra-rotating gas compressor air entraining system

ActiveCN110469540AMake up for the defect of easy vibrationImprove stabilityPump componentsPumpsGas compressorSystem stability
The invention discloses a contra-rotating gas compressor structure and a composite type anti-whirling device structure suitable for a contra-rotating gas compressor air entraining system. The composite type anti-whirling device structure is characterized in that a first-stage gas compressor wheel disc and a second-stage gas compressor wheel disc reversely rotate in a coaxial manner, the contra-rotating gas compressor structure is formed, and outer edge check rings of the first-stage gas compressor wheel disc and the second-stage gas compressor wheel disc form the air inlet slot of the contra-rotating gas compressor air entraining system; fin type anti-whirling devices are evenly distributed on the high radius position along the circumference, and fixed to the first-stage gas compressor wheel disc, and tubular anti-whirling devices are evenly distributed on the low radius position along the circumference, and mounted on the second-stage gas compressor wheel disc through a tubular anti-whirling device holder. Through the composite type anti-whirling device structure of the high-radius fin type anti-whirling devices and the low-radius tubular anti-whirling devices, the airflow pressure losses of the contra-rotating gas compressor air entraining system can be effectively reduced, the system stability and reliability are greatly improved, meanwhile, the fixed manner is simple and reliable, mounting is convenient, and later-period maintenance and repair can be achieved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Hydraulic pump

The invention discloses a hydraulic pump. The hydraulic pump comprises a direct current motor; an armature core of the direct current motor is connected with a motor rotating shaft through a flat key; one or more hydraulic pump plunger cavities are formed in the armature core; all the hydraulic pump plunger cavities are arranged annularly with the motor rotating shaft as the center; the front ends of the hydraulic pump plunger cavities are provided with a swash plate fixed to a front end cover of the direct current motor; plungers slidably connected with the hydraulic pump plunger cavities are slidably connected with an annular slipping boot track on the swash plate through slipping boots at the front ends of the plungers; the rear ends of the hydraulic pump plunger cavities are provided with a thrust plate fixed to a rear end cover of the direct current motor; a pressing, sealed and connection structure is arranged between the armature core provided with the hydraulic pump plunger cavities and the thrust plate, specifically, a spring stopping block is arranged on the part, close to the front end of the armature core, of the motor rotating shaft, and an elastic component is arranged between the spring stopping block and the armature core so that oil passing openings in the right ends of the hydraulic pump plunger cavities can be in close fit with two waist-form flow allocation windows of the thrust plate. The hydraulic pump has the characteristics of being compact in structure, small in size, little in component configuration quantity and the like.
Owner:石家庄市液压有限责任公司

Bearing head and polishing device with same

ActiveCN111251177AConvenient air pressure controlSimple structureLapping machinesGrinding feed controlPhysicsEngineering
The invention relates to the technical field of semiconductor manufacturing process polishing, in particular to a bearing head and a polishing device with the same. The bearing head comprises a body made of a non-flexible material, wherein a plurality of concave cavities are formed in the end, close to a wafer to be polished, of the body, and a vent hole connected with an air source is formed in each concave cavity; and a flexible film is fixedly connected to the end and is suitable for making contact with the wafer to be polished. According to the bearing head, the body is made of the non-flexible material, so that a plurality of concave cavities are conveniently formed in the body; the vent holes connected with the air source are formed in the concave cavities, so that the air pressure of each concave cavity is conveniently controlled; due to the fact that the flexible film is fixedly connected to the end part, close to the wafer to be polished, of the body and is in contact with thewafer to be polished, the compactness between the flexible film and the wafer to be polished is guaranteed; and due to the fact that independent control over all the cavities is guaranteed by directly forming the cavities in the body made of the non-flexible material to be matched with the flexible film without independently arranging sealing mechanisms among all the cavities, and therefore the structure and the process manufacturing of the bearing head simpler.
Owner:北京晶亦精微科技股份有限公司

Blockage-preventing and convenient-mounting type silencer

The invention relates to the technical field of air conditioning equipment, and discloses a blockage-preventing and convenient-mounting type silencer. The silencer comprises an outer silencer body, wherein an air inlet is formed in the upper surface of the outer silencer body, and an air outlet is formed in one end, far away from the air inlet, of the outer silencer body; a separating plate is fixedly connected to the middle part of the inner wall of the outer silencer body and is used for separating the outer silencer body into an upper empty chamber and a lower empty chamber; the upper emptychamber is positioned above the separating plate. According to the blockage-preventing and convenient-mounting type silencer, foreign matters at the air inlet can be effectively intercepted through anet barrel, so that the foreign matters can be prevented from entering the silencer to damage the silencer; the net barrel can be washed through a washing brush; a user can slide the washing brush ona slide rail and rotate to crush the net barrel; the net barrel is manufactured through stainless steel, so that the corrosion resistance is ensured, and the rust preventing capacity is high; and moreover, the net barrel is clamped above the air inlet and is fixed through an air chuck; the fixing manner is simple and reliable; and the user can conveniently mount, and the time is saved.
Owner:SUZHOU YIXINHE ELECTRONICS CO LTD

Floating motor type engine transient dynamic test two-purpose dynamometer and two-purpose method thereof

The invention discloses a floating motor type engine transient dynamic test two-purpose dynamometer. The floating motor type engine transient dynamic test two-purpose dynamometer comprises a foundation, a first transmission shaft bearing support, a second transmission shaft bearing support, a first motor bearing support and a second motor bearing support, wherein the first transmission shaft bearing support and the second transmission shaft bearing support are equipped with a transmission shaft, the transmission shaft is sleeved with a flywheel shaft, the transmission shaft is connected with a transmission shaft and flywheel shaft connector, the flywheel shaft is connected with an inertia flywheel through a flywheel tension sleeve, a dynamometer motor is arranged between the first motor bearing support and the second motor bearing support, an output shaft of the dynamometer motor departing from the transmission shaft is connected with an encoder, and a casing of the dynamometer motor is provided with a pull pressure transducer. The invention further discloses a two-purpose method of the floating motor type engine transient dynamic test two-purpose dynamometer. The floating motor type engine transient dynamic test two-purpose dynamometer is convenient to realize, realizes low cost, is convenient to mount and use, has complete functions, has high work reliability and stability, has high strong practicality and is convenient for popularization and use.
Owner:中检西部检测有限公司

Special-purposed pulverizer for coal mine fire extinguishing high hygrophanous resin, and application method thereof

The invention discloses a special-purposed pulverizer for a coal mine fire extinguishing high hygrophanous resin and an application method thereof. The invention is characterized in that: a material canister is fixed on a main rack, an outlet at the lower part of the material canister is connected with a chute feeder, a guide rail is fixed on the main rack, one end of the chute feeder is fixed with an electromagnetic device, the chute feeder is connected with the guide rail through a dovetail, the other end of the chute feeder is connected with the upper end of the feeding channel, the lower end of the feeding channel is connected with a through hole on a baffle plate, the baffle plate is fixed on a crushing chamber, subordinate blades are annularly arranged on the upper part of the crushing chamber, screen meshes are annularly arranged on the lower part of the crushing chamber, a motor is fixed on the main rack through a motor fixing rack, an output shaft of the motor is fixed on a flange of the crushing chamber, the terminal of the output shaft is fixed with a circular disc, several main blades are distributed around the circular disc. According to the invention, vibration feeding is adopted for feeding a stable and uniform way, and overload damage can be prevented though controlling of the motor current; the main blades and the subordinate blades have stronger flexibility to reduce the wearing of blades; the subordinate blades are annularly and densely arranged such that the crushing efficiency and quality can be enhanced; the screen meshes are convenient to be changed for different meshes of crushing.
Owner:ZHEJIANG WEILONG POLYMER MATERIAL +1

Easy-to-clean intelligent cooking equipment

The invention discloses easy-to-clean intelligent cooking equipment. The easy-to-clean intelligent cooking equipment comprises a cover body and a seat body, and a stirring member is arranged on the cover body; a drive device is arranged on a connection arm, and the drive device drives the stirring member to perform stirring action through a transmission mechanism; and the transmission mechanism comprises a drive shaft, a coupling shaft and a planet wheel assembly, wherein the drive shaft is arranged on the connection arm and rotates on the fixed axis of the connection arm driven by the drive device; the coupling shaft is connected with the drive shaft and is driven to rotate in a coaxial line mode with the drive shaft; the planet wheel assembly is used for driving the stirring member to enable the own axis to rotate and revolute around the axis of the coupling shaft, and the planet wheel assembly comprises a fixed cover, a movable cover, a sun wheel and two planet wheels; and the coupling shaft penetrates through the fixed cover and the movable cover, the movable cover is driven to rotate relative to the fixed cover, the coupling shaft and the movable cover are locked and connected through a locking piece in the direction of the axle of the coupling shaft and the movable cover, the coupling shaft is in transmission connection with the movable cover in the peripheral direction of the coupling shaft and the movable cover through an occlusion structure, and after the locking piece is dismantled, the planet wheel assembly can be separated from the coupling shaft. The easy-to-clean intelligent cooking equipment is easy to clean and use.
Owner:机智过人(北京)智能科技有限公司

Small quick heater

The invention discloses a small quick heater which comprises a shell, insulating layers, insulating studs, a heating net, electrodes and asbestos gaskets, wherein the heating net is fixed on the insulating studs on the two sides of a channel of the shell in a tensioned mode to enable a multi-layer grid structure to be formed in the channel, the electrodes are arranged at the two ends of the shell respectively to fasten the heating net, the power supply ends of the electrodes and flanges are fastened to the shell through insulating screws, the insulating layers are arranged between the electrodes and the shell, the asbestos gaskets are arranged between the electrodes and the flanges, and the heating net is electrified and heated through the electrodes to achieve reliable power supply. According to the small quick heater, multi-layer folding wire mesh is adopted to serve as a heating element, the wire mesh is arranged perpendicular to the liquid flowing direction in a single-layer or multi-layer mode, and by means of the characteristics that the contact area between liquid and the heating element is large and heat exchange is strong, the efficiency of heat exchange between the liquid and the heating element is high. The heater is used for quick heating of liquid working media in a channel under the condition that non-conducting liquid is still or moves, and especially suitable for quick heating of liquid with small flow.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

A stamping device for reinforcing steel plate of washing machine

The invention discloses a stamping device of a washing machine reinforcing steel plate. The device comprises a base, wherein the top of the base is symmetrically, vertically and fixedly provided withsupporting columns, the tops of the supporting columns are horizontally and fixedly provided with a top plate, the top center of the top plate is fixedly provided with a hydraulic cylinder, a piston rod on the bottom of the hydraulic cylinder vertically and slidably penetrates through the top plate and is fixedly provided with a pushing mounting column, the bottom of the pushing mounting column ishorizontally and fixedly provided with an abutting plate, the bottom of the pushing mounting column is provided with a mounting groove, the bottom center of the abutting plate is provided with a riveting groove, a threaded pressing column vertically and slidably penetrates through the top of the abutting plate, the top end of the threaded pressing column extends to the inner portion of the mounting groove and is sleeved with a first gear and a second gear in a sleeved mode, and the bottom end of the threaded pressing column extends to the inner portion of the riveting groove and is fixedly provided with a stamping head. The stamping device of the washing machine reinforcing steel plate has the advantages that the structure is reasonable, the operation is concise, the fixing mode is simpleand firm, power output is stable and strong, and the stability of stamping is improved.
Owner:CHUZHOU XIEZHONG HOUSEHOLD ELECTRICAL APPLIANCE FITTINGS

Rotary shaft feedback detection hydraulic locking system

The invention discloses a rotating shaft feedback detection hydraulic locking system, provides a locking system with large locking torque, high positioning accuracy, and can accurately identify and feedback the position of the box body, and solves the problem of box body positioning accuracy in the prior art Low, the position of the cabinet cannot be adjusted and corrected and other technical problems. It includes a mandrel and a servo motor connected to one end of the mandrel. The middle part of the mandrel rotates and connects to the box. The other end of the mandrel opposite to the servo motor is sleeved with a cylinder connected to the box. The corresponding core in the cylinder A wear-resistant sleeve is fixed on the shaft, and the wear-resistant sleeve is covered with a corrugated sleeve. The inner end of the corrugated sleeve is connected to the box body, and the outer end extends to the outside of the wear-resistant sleeve, and is slidably connected to the mandrel corresponding to the outer end of the corrugated sleeve. There is a piston, the piston is driven by the power unit and pushes the corrugated sleeve inwards to compress it so that the cylinder body is tightened and fixed on the wear-resistant sleeve, and an encoder that can automatically identify the position of the box relative to the mandrel is installed on the mandrel. The controller is connected to the servo motor through the control system.
Owner:陈小青 +1

A food processor with good cleaning effect

The invention provides a food processing machine with a good cleaning effect. The food processing machine comprises a machine body, a motor, a crushing device, a crushing cup body and a crushing cup cover, wherein the crushing cup body comprises a glass cup body, a metal disc and a cup body support, wherein openings are formed in the upper part and the lower part of the glass cup body respectively; the metal disc is mounted at the opening in the lower part of the glass cup body in a sealing mode; the crushing cup cover is arranged at the opening in the upper part of the glass cup body in a covering mode; the crushing cup cover, the glass cup body and the metal disc are enclosed to form a pulping cavity; the crushing device is arranged in the pulping cavity; the upper port of the metal discis provided with a mounting skirt; the thickness of the mounting skirt is 2.5 mm to 6 mm; the opening in the lower part of the glass cup body is in butt joint with the mounting skirt of the metal disc; a sealing ring is arranged between the opening in the lower part of the glass cup body and the mounting skirt; the sealing ring is used for sealing the gap between the glass cup body and the metaldisc; and the inner side wall of the glass cup body is aligned with the inner side wall of the metal disc at the butt joint of the glass cup body and the metal disc, and the alignment deviation is notmore than 2 mm. Therefore, the food processing machine is easy to automatically clean.
Owner:JOYOUNG CO LTD

Flexible composite skin and manufacturing method and tool structure thereof

The invention provides a flexible composite skin and a manufacturing method and a tool structure thereof, and belongs to the technical field of aviation, thereby solving a problem that an existing flexible skin is poor in stability and bearing performance. The composite skin comprises a flexible rubber base body, an embedded supporting structure and a fiber reinforcement body. The embedded supporting structure and the fiber reinforcement body are shaped in the flexible rubber base body in parallel, the embedded supporting structure and the fiber reinforcement body are arranged in a mutually perpendicular and overlapped mode, and uniform and independent grid units are formed in the flexible rubber base body. The manufacturing tool structure comprises a metal bottom plate, fiber bundle moldplates, a supporting rod mold plate, a gland plate and a sliding block mold. The metal bottom plate is fixedly connected with a pair of fiber bundle mold plates, the supporting rod mold plate is fixedly installed on the upper surface of the metal bottom plate, the supporting rod mold plate is connected with the pair of fiber bundle mold plates to form a rectangular rail, and the sliding block moldslides along the rectangular rail. The flexible composite skin and the manufacturing method and the tool structure thereof are mainly used for variable sweepback wing quadrilateral shearing module units.
Owner:HARBIN INST OF TECH
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