87results about How to "Practical and reliable structure" patented technology

The invention discloses a cable positioning locking mechanism which is composed of at least two locking mechanisms superposed together. Each locking mechanism includes a bottom base and a top base covering the bottom base. Each top base is provided with a plurality of first arc slots in the lower surface thereof, each bottom base is provided with second arc slots corresponding to the first arc slots in the upper surface thereof, and the first arc slots and the second arc slots form clamping holes used for clamping cables. A communication cable is clamped by the clamping holes formed by the bottom bases and the top bases, and the communication cable is locked and fixed in a cable duct through the positioning locking mechanism after laying. Multiple communication cables can be clamped and fixed horizontally or longitudinally. The structure is practical and reliable, and maintenance of communication cables is facilitated. Moreover, a communication cable can be effectively prevented from being pulled after being cut off and is not easy to steal, and therefore, the safety of communication cables is greatly improved.

The invention discloses a food stirring cup with a double-protection switch and a stirring machine. The food stirring cup comprises a cup body and a cup cover, a rotatable blade is arranged in the cup body, a base is arranged on the bottom of the cup body, a first transmission rod and a second transmission rod which extend from a cup opening to the cup bottom and can slide vertically are arranged on the cup body, and a protruded block used for triggering the first transmission rod when the cup cover is closed and a clamping block which is matched with the second transmission rod for locking the cup cover are arranged on the cup cover; according to the stirring cup, first transmission rod linkage is adopted to control energized running, and locking of the cup cover is achieved through second transmission rod linkage; when the stirring cup is placed on a machine base and the cup cover is closed, the cup cover triggers the first transmission rod to slide downwards, so that a driving motor is triggered to be energized for working, and meanwhile, the machine base abuts for triggering the second transmission rod locking the cup cover cooperatively; that is to say, when the stirring machine works, the cup cover cannot be opened, so that safety hazards of the stirring cup are effectively eliminated; the structure is practical and reliable, so that the use safety of the stirring machine is greatly improved.

The invention discloses a positioning device for a communication engineering cable. The positioning device comprises at least two locking mechanisms superimposed. Each locking mechanism comprises a base and a top seat covering over the base. A plurality of first arc-shaped grooves are arranged in the lower surface of each top seat. Second arc-shaped grooves corresponding to the first arc-shaped grooves are arranged in the upper surface of each base. The first arc-shaped grooves and the second arc-shaped grooves form clamping holes of clamping a cable. A communication cable is locked by using the more than two layers of locking mechanisms and clamped by the clamping holes formed by the bases and the top seats, after the communication cable is laid, the communication cable is locked and fixed in a cable trough by using the positioning device, a plurality of communication cables can be laterally or longitudinally clamped and fixed, the structure is practical and reliable, the maintenanceof the communication cable is facilitated, meanwhile, the communication cable can be effectively prevented from being pulled after the communication cable is cut off, the communication cable is not easily stolen, and the security of the communication cable is greatly improved.

The invention discloses an equipment cabinet having an electrostatic dust collection function. The equipment cabinet includes a frame provided with a top cover, a front door, a rear door, a left sidedoor and a right side door. Each of the left side door and the right side door is provided with a plurality of ventilation ports. The front door is provided with a blowing device including an exhaustfan and an electrostatic dust collector. The exhaust fan is arranged on the outer side of the front door. The electrostatic dust collector is arranged on the inner side of the front door and is perpendicular to the blowing direction of the exhaust fan. Cold air is sent into the equipment cabinet through the exhaust fan and air is filtered through the electrostatic dust collector. In this way, dustaccumulation in the equipment cabinet is reduced substantially and the sent cold air takes way heat in the equipment cabinet and goes out via the ventilation ports in the side doors, so that the cooling effect is good. Therefore, efficient heat dissipation of the equipment cabinet is achieved and the equipment cabinet has a practical and reliable structure.

The invention discloses a sealing structure for a plastic steel faucet. The sealing structure for the plastic steel faucet comprises a faucet main body; the faucet main body is composed of a plastic base and a metal shell wrapping the outer layer of the plastic base; a threaded joint is formed on a water inlet in the metal shell; and a sealing plug is arranged in the threaded joint, clings to the inner wall of the threaded joint, is provided with a water passing hole and is provided with a plug head in the water inlet direction of the water passing hole in an extending manner to be inserted into the water inlet. According to the sealing structure, as for the faucet main body of the plastic steel faucet, the inner layer is made of a plastic material, and the outer layer is made of a metal material, so that the problems of harmful substances, such as lead, contained in the faucet, quality of the faucet and the like are solved; and as the sealing plug is arranged at the water inlet, a water flow is prevented from seeping into a gap between the plastic base and the metal shell to cause the phenomena of dripping and leakage of the faucet, and the sealing structure is of a practical and reliable structure, is more beautiful and elegant in appearance and improves the quality of a product.

The invention discloses a movable rack body tilting prevention device comprising an electronic horizontal tilt angle sensor and an electric control component which are arranged at the top of a rack body, wherein a rack body chassis is provided with a screw rod motor; a screw rod of the screw rod motor is provided with a sleeve; the sleeve is provided with a tilting-prevention hook; the electronic horizontal tilt angle sensor is electrically connected with the electric control component; the electric control component is electrically connected with the lead screw motor; the tilting-prevention hook is capable of hooking or releasing a track at the lower part of the chassis by virtue of up-and-down movement of the screw rod sleeve on the motor. The movable rack body tilting prevention device has the advantages of being reliable and practical in structure and simple and rapid in installation, ensuring the safety and stability in operation of the rack body and better protecting the personal safety of an operator.

The invention discloses a silk screen printing machine and a silk screen printing technology. The silk screen printing machine comprises a first silk screen printing station, a second silk screen printing station, a first moving table, a second moving table, a driving device and a feeding device; the first silk screen printing station and the second silk screen printing station are adopted to respectively carry out hole plugging silk screen printing and solder resist board face silk screen printing on a PCB, the PCB is borne by the first moving table to be subjected to the hole plugging silk screen printing and silk screen printing of one board face sequentially through the first silk screen printing station and the second silk screen printing station, the PCB is borne by the second movingtable to be subjected to silk screen printing on the other board face through the second silk screen printing station, and the driving device can drive the first moving table and the second moving table to move at the same time so as to complete corresponding operation; and the hole plugging silk screen printing and the solder resist board face silk screen printing can be completed on one printing machine, the silk screen printing is more efficient, and the structure is practical and reliable; and when the two silk screen printing stations work, the feeding device automatically supplies printing ink to a first silk screen printing mesh and a second silk screen printing mesh, manual operation is not needed, more time and labor are saved, and the production efficiency is higher.

The invention discloses a shapable medical drainage tube which comprises a hose provided with a drainage cavity and an air inlet cavity, wherein a drainage opening is formed in one end of the hose and is communicated with the drainage cavity; an air bag is arranged on the outer wall, close to the drainage opening, of the hose and is communicated with the air inlet cavity; and a drainage joint and an inflation joint are arranged at the other end of the hose and are correspondingly connected with the drainage cavity and the air inlet cavity respectively. According to the drainage tube, any shaping can be carried out on the tube body through a built-in metal core; the probability of damages to in vivo tissues caused by the drainage tube can be lowered; the shapable medical drainage tube is practical and reliable in structure, easy to fix after being inserted, and convenient to use and operate; the drainage tube can be effectively prevented from slipping off; and the external surface of the tube body is coated with a nano-silver coating, so that the antibacterial property is relatively well improved, and the using effect is relatively good.

The invention discloses a positioning mechanism, which comprises a base, wherein a fixed platform is arranged above the base; at least three elastic hinge bars which are parallel and not completely coplanar are arranged between the base and the fixed platform; two ends of each elastic hinge bar are universally articulated with the base and the fixed platform respectively; the elastic hinge bars can elastically stretch in the axial direction and have the same maximal lengths; a plurality of first elastic elements which are used for jacking the fixed platform are also arranged between the base and the fixed platform; the elastic hinge rods reach the maximal lengths and are in a vertical state under the action of the first elastic elements in an initial state; the fixed platform is arranged at a reference position relative to the base; a mobile platform which is driven by a first power device is arranged above the fixed platform; a first centering and orientating mechanism is arranged between the mobile platform and the fixed platform. The positioning mechanism can rapidly perform aligning and positioning, also can compensate positioning deviation, and is low in cost, and relatively simple, reliable and practical in structure.

The invention discloses a three-station argon welding machine for a motor stator. The three-station argon welding machine comprises a workbench, wherein an upper mould fixing plate is fixed above the workbench; a rotary table plate is connected on the workbench below the upper mould fixing plate; a rotary mechanism is connected below the center of the rotary table plate; the rotary table plate is distributed with a loading-unloading part, a charging part and a welding part in a peripheral direction; the upper mould fixing plate above the welding part is connected with a lifting mechanism; welding guns are connected on the lower part of the lifting mechanism; in the peripheral direction, the welding guns are uniformly distributed and correspond to stator welding slot parts; a material return oil cylinder is connected below the loading-unloading part; a charging oil cylinder is connected below the charging part; and a material pressing oil cylinder is connected below the welding part. The three-station argon welding machine for the motor stator is low in manufacturing cost, high in production efficiency and suitable for large-scale producing and manufacturing on industry.

The invention discloses an LED lamp based on carrier transmission control signals. The LED lamp comprises a plurality of LED lamp bodies and a power supply line. The LED lamp bodies are connected through a power line to form a light string. The input end of the power line is provided with a carrier coupling circuit. Each LED lamp body comprises an LED lamp board and a lamp holder, wherein the LED lamp board has a built-in carrier demodulation circuit and is connected to a lamp holder in a pluggable way, and the lamp holders of the LED lamp bodies are connected through the power line. The LED lamp based on carrier transmission control signals uses a carrier means to transmit control signals. A plurality of light strings may be connected in parallel through light string interfaces to form a large decoration lamp. A carrier coupling circuit couples control signals to the power line for transmission. In this way, the power line transmits control signals while supplying power. Adjustable luminous effect of LED lamp bodies is achieved, and LED lamp boards are installed on the lamp holders through a plugging way to facilitate replacement. The structure is practical and reliable.

The invention discloses a positioning and clamping mechanism for machining the outer circle of a brake, and relates to a positioning and clamping mechanism for outer circle machining. The positioning and clamping mechanism comprises a pedestal, a pull rod, a pressing plate, a spring tensioning sheet and a positioning connection base. The pedestal is connected with a machine tool. The lower end of the positioning connection base is arranged at the upper end of the pedestal in a sleeving mode and is further fixedly connected with the pedestal through a key. The upper end face of the positioning connection base is connected with a workpiece. The pressing plate is located above the positioning connection base, and the spring tensioning sheet is installed between the pressing plate and the positioning connection base. One end of the pull rod is fixed to the pressing plate through a fastener, and the other end of the pull rod sequentially penetrates through an inner hole of the pressing plate, an inner hole of the spring tensioning sheet, an inner hole of the positioning connection base and an inner hole of the pedestal and stretches out of the lower side of the pedestal. The outer circle of the pull rod is in sliding fit with the inner hole in the upper end of the positioning connection base. By means of the positioning and clamping mechanism, the gap between a positioning tool and a brake bottom plate can be removed, the positioning and clamping mechanism has the characteristics of being convenient to mount and dismount, low in maintenance cost, reliable in structure and capable of improving machining accuracy, and application and popularization are made easy.

The invention discloses a one-way blocking type condensed fluid dripping, reflux and guide-out device. The one-way blocking type condensed fluid dripping, reflux and guide-out device comprises a condensation reflux assembly and a metal hoarding for sealing the condensation reflux assembly, wherein the condensation reflux assembly comprises a metal bottom plate which is densely covered with punched holes, fluid channel tubes which are welded with punched hole sites, metal plate shells covering the tops of the fluid channel tubes, a metal net fixed to the metal plate shells, and a discharge pipeline used for discharging a condensed fluid. The one-way blocking type condensed fluid dripping, reflux and guide-out device is suitable for chemical rectification equipment and a condensed type heat exchanger; high-temperature gas is condensed by the heat exchanger to form the condensed fluid; and the condensed fluid drops under the action of the gravity, passes through the metal net to drop onto the metal plate shells, drops onto the metal bottom plate along the metal plate shells, and is finally discharged through the discharge pipeline. The one-way blocking type condensed fluid dripping, reflux and guide-out device is reliable and practical in structure, is capable of effectively refluxing and guiding out the condensed fluid in the heat exchanger and is beneficial for saving energy resources and reducing environmental pollution.

The invention discloses a power distribution cabinet convenient to move. The power distribution cabinet comprises a power distribution cabinet shell and a cabinet door, wherein the cabinet door is moveably connected with the power distribution cabinet shell through a hinge; two sliding rods are arranged in parallel on the upper side and the lower side inside the power distribution cabinet shell; the two sliding rods are sleeved by first sliding sleeves; a mounting plate is welded between the two first sliding sleeves. Due to adoption of the sliding rods and the first sliding sleeves, displacement of the mounting plate in a vertical direction can be inhibited, and structural stability can be ensured; due to adoption of a damping spring, transverse vibration energy can be absorbed, then electric elements on the mounting plate can be protected, and the electronic elements can be prevented from vibration damage; in addition, due to cooperation of a first limiting block and a second limiting block, switching of moving wheel bearing and base bearing can be easily completed, then free movement of the power distribution cabinet can be ensured, in addition, the power distribution cabinet can be stably placed, and the power distribution cabinet is reliable and practical in structure.

The invention discloses an insert separating stainless steel bowl device. The device comprises a bottom plate. A slide rail is fixedly disposed on each of the left and right sides of the upper end surface of the bottom plate, and each slide rail is sleeved with a slider that can slide on the slide rail. A high-position insert and a low-position support are fixed on the slider, and the height of the high-position insert is higher than that of the low-position support. The height is the thickness of the edge of a single stainless steel bowl, and multiple stainless steel bowls are stacked on thehigh or low support. More than one opening are arranged on the bottom plate between the slide rails, and a stainless steel bowl limiting device is arranged in the edge region of each opening. The stainless steel bowl is stacked in the middle of the limiting device and rests on the high insert and the lower support; a telescopic pushing device is fixedly connected to the slider, and the telescopicpushing device pushes the high-position insert and the low-level support on the sliding block to slide back and forth on the sliding rail; the bottommost stainless steel bowl is peeled off and the stainless steel bowl is dropped, which achieves the automatic bowling separating with high efficiency, simple and reliable structure, and decreased labor cost.