18results about How to "Stable use" patented technology

The present invention discloses a lumbar support switch with four-way adjustment and massage functions, comprising: a housing as a bearing structure; a lumbar support button and a massage button arranged on the surface of the housing for the user to apply force with his hand; a swinging member arranged in the housing and linked with the lumbar support button; a pressing member arranged in the housing and linked with the massage button; the pressing member comprises an inner housing and a pressing rod, the pressing rod is fixedly arranged with the inner housing, and a swinging hole is opened on the inner housing; a circuit board arranged in the housing, the circuit board is provided with a lumbar support response switch corresponding to the swinging member and a massage response switch corresponding to the pressing rod; and a conversion member arranged in the housing and used to cut off the connection between the downward pressure on the inner housing caused by the swinging member squeezing the inner housing when the swinging member swings and the inner housing. The present invention has the following advantages and effects: the massage trigger function can be integrated on the four-way adjustment switch, and has the advantages of simplified production process, reasonable structure, and high convenience in operation.

This utility model discloses a rear axle housing folding maintenance ladder and a mine car. Two opposing maintenance ladder mounting seats are connected to the inner wall of the drum near the rear axle door. The top two ends of the upper maintenance ladder are hinged to the corresponding maintenance ladder mounting seats, allowing the upper maintenance ladder to rotate around the hinge point. The top of the lower maintenance ladder is hinged to the bottom of the upper maintenance ladder, allowing the lower maintenance ladder to rotate around the hinge point. After rotating upwards, the lower maintenance ladder fits against the upper maintenance body, and then continues to rotate upwards, allowing both the upper and lower maintenance ladders to pass through the rear axle door and enter the drum. A first fastening component is configured to fix and release the lower maintenance ladder and the upper maintenance body after they fit together. A second fastening component is configured to fix and release the upper maintenance ladder and the maintenance ladder mounting seats located inside the drum. This utility model has the advantages of ingenious design, simple structure, strong applicability, and durability.

The invention relates to the technical field of chip heat dissipation, in particular to a chip double-sided liquid cooling heat dissipation system which comprises a fixing mechanism, a chip and a substrate, the two sides of the chip are symmetrically, evenly and fixedly connected with a plurality of pins, and the chip is electrically connected with the substrate through the pins on the two sides. According to the invention, by simultaneously carrying out liquid cooling heat dissipation on the two surfaces of the chip, heat generated by the chip can be quickly and effectively removed, the heat dissipation requirement of the high-power-consumption chip is met, the chip is ensured to work in a stable temperature environment, the problem of heat dissipation of the high-power and multi-module chip is effectively solved, and the service life of the chip is prolonged. A large temperature difference caused by uneven heat dissipation of the upper surface and the lower surface of the chip is avoided, the overall temperature distribution of the chip is more uniform, stable performance of the chip is facilitated, the liquid leakage condition of the device is detected in real time through the liquid leakage detector, a liquid leakage signal is processed and then transmitted to the audible and visual alarm, and the device is convenient to use. And the audible and visual alarm sends out an audible and visual alarm signal, so that the use safety of the device is improved.

The invention provides a dual-purpose electric scooter. The dual-purpose electric scooter comprises a battery box; an electric wheel is arranged at the front end of the battery box and is electrically connected with the battery box, a driving controller is arranged at one end of a control handle, the other end of the control handle is connected with the electric wheel, the driving controller is electrically connected with the electric wheel, a first sliding rail rod and a second sliding rail rod are oppositely arranged on the two pedals in a sliding mode, and the first sliding rail rod and the second sliding rail rod are connected with the control handle. The two pedals are arranged in the battery box in a sliding mode through the first sliding rail rod and the second sliding rail rod, the other two pedals are each provided with a rear wheel at the position relatively away from the electric wheel, a pedal controller is fixed to the rear end of the battery box, the pedal controller is connected with a connecting assembly, and the two pedals are connected through the connecting assembly. Therefore, the scooter structure has the dual-purpose functions of electric driving and foot force driving at the same time, and is matched with the stepless distance adjustment of the two pedals, so that the scooter structure with practicability and safety is provided at the same time.

The utility model discloses a kind of small pipeline pipe orifice anti-plugging auxiliary welding device, it is related to auxiliary welding device field, including base, two-way screw rod, moving plate, fixed mechanism and anti-plugging mechanism, two-way screw rod rotation is set in the inside of base, moving plate and two-way screw rod form screw rod drive, fixed mechanism is set on moving plate, for fixed pipeline, anti-plugging mechanism is set on base, for plugging pipeline welding position.The utility model uses the setting mode of fixed mechanism and anti-plugging mechanism cooperation, using fixed mechanism can be welded small pipeline fixed on moving plate, and by plugging head of suitable current specification pipeline is inserted between two pipeline needing welding, to plugging protection can be carried out to the welding seam both sides pipeline simultaneously, also can be pulled out by the pulling of moving rod after subsequent welding is completed, convenient to use.

The invention discloses a central control type air conditioner ventilation system in the technical field of air conditioner ventilation, and the central control type air conditioner ventilation system comprises an air supply and exhaust pipeline, a mounting groove is formed in the top of the air supply and exhaust pipeline, and a fan and filter screens located on the two sides of the fan are mounted in the mounting groove; the rack is used for mounting the fan; the guide rail is slidably arranged on the rack; the clamp is used for clamping the filter screen; the shear fork frame is arranged between the guide rail and the clamp; the driving sliding block is slidably arranged in the guide rail; the pressing plate is arranged on the side wall of the rack; the driven sliding block and the shear fork frame are rotationally arranged; the triggering piece is slidably arranged with the clamp, and when the driven sliding block makes contact with the triggering piece, the triggering piece drives the clamp to loosen the filter screen; when the fan is taken out, the filter screen gets close to the mounting groove, the clamp loosens the filter screen below the mounting groove, the fan and the filter screen are taken out from the same position, the air supply and exhaust pipeline does not need to be disconnected from the air duct, the fan and the filter screen are simple in assembly and disassembly process and easy to operate, the distance between the filter screen and the fan can be guaranteed, and the running stability of the system is guaranteed.

The utility model is suitable for wiring harness technical field provides a kind of distribution box wiring harness storage device, including fixed frame component: the outer wall of fixed frame component is fixedly connected with protective cover component, the inner wall of fixed frame component is provided with storage limiting component;Among them, the storage limiting component includes first rotating plate, the inner wall of first rotating plate is movably connected with second rotating plate, the inner wall of second rotating plate is movably connected with limiting roller;The limiting roller is provided with rubber protective layer;Through the setting of storage limiting component, and cooperate fixed frame component use, start and control use rotary control motor through rotating lever drive storage limiting component rotation, to realize the limiting roller of both sides with the outer wall of cable or wiring harness fixed clamping, to keep the cable or wiring harness inside distribution box stable use state, complete the storage purpose of cable or wiring harness inside distribution box, it is convenient to carry out flexible control clamping tightness in distribution box inner wall.

The utility model relates to the technical field of test tube racks, and discloses a food detection test tube rack which comprises a base, a vertical rod is fixedly assembled at the top of the base, a telescopic rod is movably sleeved in an inner cavity of the vertical rod, a fixed plate is fixedly assembled on the outer wall of the vertical rod, and a limiting plate is fixedly assembled at the top of the telescopic rod. A vertical plate is fixedly assembled on the top of the fixing plate, and a fixing cylinder is fixedly assembled on the outer wall of the vertical plate. According to the food detection test tube rack, limiting grooves are formed in the outer walls of telescopic rods, pull rods are arranged in inner cavities of vertical plates, and the pull rods are driven to move under the action of driving springs, so that the pull rods enter the limiting grooves of the telescopic rods, and the telescopic rods are fixed; the positions of the telescopic rod and the limiting plate can be adjusted only by pulling the pull rod, so that the equipment can be better suitable for test tubes with different lengths.

The utility model relates to the field of massage stick equipment, in particular to a massage stick capable of being assembled, which comprises a middle tube and a handle rod, and a massage roller is sleeved on the middle tube; a connecting cylinder and a locking cylinder are further included, the connecting cylinder comprises a connecting part and a locking part, the connecting part is fixedly connected with the end of the middle pipe, a deformation gap is formed in the locking part, external threads are arranged on the locking part, and internal threads are arranged on the locking cylinder; when the external thread and the internal thread are screwed and matched, the locking cylinder abuts against and locks the handle rod; according to the utility model, the problems of large space volume and high transportation cost caused by the fact that the traditional massage stick cannot be assembled are solved.

The utility model relates to the technical field of medicament storage, and discloses a medicament storage device which comprises a first box body and a second box body, a connecting hinge is fixedly connected between the rear surface of the first box body and the rear surface of the second box body, and buffering protection mechanisms are fixedly connected to the inner sides of the first box body and the second box body. A second protection sleeve block is movably placed at the top of the buffer protection mechanism located on the inner side of the first box body, and a first protection sleeve block is placed at the top of the second protection sleeve block; according to the medicine packaging box, through the arranged buffer protection mechanism, the first protection sleeve block and the second protection sleeve block which are matched with each other, a medicine can be placed on the inner side of the placing groove, so that the medicine is wrapped by the second protection sleeve block and the first protection sleeve block; and then the first protective sleeve block and the second protective sleeve block are placed on the inner sides of the first box body and the second box body, so that when the first box body and the second box body are in a closed state, the medicament can be stably protected, and operation is convenient.

The utility model discloses a handrail assembly which comprises a fixed seat, and a rotating part is arranged on the fixed seat. The handrail is provided with a connecting end and a handrail end, and the connecting end is rotatably connected to the rotating part through a rotating mechanism; the armrest end is used for being in an unfolded use state and a folded use state after the connecting end rotates; the connecting end is provided with an abutting portion, and the abutting portion is used for abutting against the fixing base in the unfolded use state. According to the armrest assembly, when the armrest is not used, the armrest can be rotated to the folded state, and therefore the movement range of a user cannot be blocked.

This invention provides a urological stone crushing and aspirating device, belonging to the field of urological stone crushing technology. It includes an outer sheath containing the stone crushing and aspirating device body and a guide wire, with an end piece at the top of the stone crushing and aspirating device body; a first expansion mechanism for catching the stone, connected to the end piece; and a second expansion mechanism for intercepting large stones, also connected to the end piece. By incorporating the first and second expansion mechanisms, this invention not only allows for the rapid catching of stones within the kidney using the first expansion mechanism, facilitating stone crushing and collection, but also ensures complete encapsulation of the stone without large gaps, effectively solving the problem of incomplete stone removal after crushing in traditional methods.

The utility model discloses a mistaken pressing prevention structure of a lighting tool, which belongs to the technical field of lighting tools, and comprises a cylinder body, the cylinder body comprises a mounting tail seat, and the mounting tail seat is arranged at the tail part of the cylinder body; the mistaken pressing prevention mechanism comprises a switch, the switch is installed in the installation tailstock, an adjusting assembly is arranged on the outer side of the switch and comprises a rotating ring, the rotating ring is arranged outside the switch in a transmission mode, the bottom of the rotating ring is installed in the installation tailstock in a limited rotating mode, and a locking ring is arranged in the rotating ring in a transmission mode. Through cooperation of the rotating ring, the locking ring, the key support and other components, the limiting relation between the locking ring and the push rod and other components can be changed by rotating the rotating ring, mistaken pressing operation is effectively prevented, it is guaranteed that the using state of the lighting tool is stable, and functional abnormity caused by mistaken touch is avoided.

The utility model belongs to the technical field of binding and reinforcing equipment, and particularly relates to a belt type binding and reinforcing device which comprises an annular figure foot and a cargo connecting end, a tensioning braid is arranged between the annular figure foot and the cargo connecting end, one end of the tensioning braid is further provided with a tensioning device, the tensioning device is further provided with a ratchet wheel tensioner, and the ratchet wheel tensioner is connected with the tensioning braid. The tensioning device and the ratchet tensioner are installed on the tensioning braid, the tensioning device comprises a short handle end and a long handle end, a groove shaft is arranged at one end of the short handle end, the tensioning braid comprises a positioning section located between the ring-shaped figure foot and the short handle end, and the ring-shaped figure foot and the tensioning section are arranged at the other end of the long handle end. And the ring-shaped figure foot is connected with the short handle end through the positioning section. According to the belt type binding reinforcing device, the positioning section is arranged on the tensioning braid, so that when an operator tightens the tensioning braid, the ratchet tensioner is located at the position most suitable for operation, a handle faces downwards, the belt type binding reinforcing device better conforms to the human engineering principle, operation is faster, and time is saved.

The invention relates to the technical field of vehicle CAN communication cables, and provides a vehicle CAN communication cable, a cable assembly and a production process thereof, and limiting strips which are located in a protection layer, are distributed in an area adjacent to the outer side in the circumferential direction of the axis, and are used for enhancing the resistance performance of the cable; arc-shaped pads are arranged on the inner sides of the limiting strips in a sectional mode and used for improving the tensile performance of the cable. And the blocking block is located in the middle of the arc-shaped pad, is in butt joint with the clamping groove in the inner side of the limiting strip and is used for fusing the limiting strip and the arc-shaped pad into the protective layer during extrusion operation. The vehicle CAN communication cable provided by the invention can keep a stable use state in different driving states of a vehicle, especially in a bumpy road section, and can effectively prevent the cable from being loosened in connection, damaged by swinging and pulled to be straight.

The utility model provides a fluid conveying pipeline, which relates to the field of anti-freezing fluid conveying pipelines and comprises a fluid conveying pipeline body, a U-shaped block, an anti-freezing shell, a heat preservation piece, a fixing groove, a limiting roller, an electric tracing band and a handle. According to the device, the outer side of the fluid conveying pipeline is covered with the light and heat-preservation anti-freezing shell, so that freezing and blocking are effectively prevented in winter, meanwhile, the anti-freezing shell is convenient to mount, dismount and maintain, one person can quickly finish the operation, and the heat-preservation and anti-freezing effects are remarkably improved by matching with the heat-preservation part and the electric tracing band; and therefore, the fluid conveying pipeline is more stable in use state in winter.

The embodiment of the invention provides a terminal bracket, which comprises a supporting assembly, a holder assembly and a bearing assembly, and is characterized in that the supporting assembly is used for supporting the holder assembly; the holder assembly comprises a fixing assembly, a rotating assembly and a driving assembly, the fixing assembly is installed on the supporting assembly, and the rotating assembly is rotatably installed on the fixing assembly around a first rotating axis; the driving assembly is used for driving the rotating assembly to rotate around a first rotating axis relative to the fixed assembly so as to change the use direction of the electronic terminal; the bearing assembly is rotatably mounted on the rotating assembly around a second axis so as to adjust the use direction of the electronic terminal, and the bearing assembly is used for bearing the electronic terminal; the included angle between the second axis and the first rotating axis is smaller than or equal to 5 degrees, and the distance between the second axis and the first rotating axis is smaller than or equal to 0.5 cm.