145results about How to "Telescopic stability" patented technology

The invention discloses an electric folding hidden table board, and belongs to the field of folding table boards. The electric folding hidden table board comprises a table board assembly, a containingbox and a drive mechanism. The containing box is used for containing the table board assembly mentioned above. An opening is reserved in the upper portion of the containing box. A first roller is arranged at the position of the opening. The drive mechanism is used for driving the table board assembly to extend upwards from the opening in the upper portion of the containing box. The bottom of thetable board assembly and the drive mechanism are connected in a rotating manner. When the drive mechanism drives the table board assembly to extend from the interior of the containing box, the table board assembly overturns to the horizontal state in the direction towards the first roller, and the back face of the table board assembly is supported on the first roller. After the electric folding hidden table board is contained, the structure is compact, and the occupied space is small; after unfolding, the table board assembly automatically overturns to the horizontal state, design is ingenious, and use is convenient; and two rollers are used for supporting the unfolded table board assembly, the bearing capacity of the table board is high, and the electric folding hidden table board can bewidely used on side walls and seat back faces of trains, airplanes, all types of vehicles and the like.

The invention discloses a telescopic conveyor. The key point of the technical scheme is that the lengths of the main transmission chain and the auxiliary transmission chain are fixed, and the chain driver drives the telescopic section transmission device to drive the main sprocket when shrinking, and pulls back the inner section. Transmission device, the transmission device on the inner side shrinks inward, drives the auxiliary transmission chain, because one end of the auxiliary transmission chain bypasses the auxiliary sprocket and is fixedly connected to the transmission device on the outer side, thus driving the transmission device of the telescopic section to shrink, at this time the main transmission The transmission distance of the chain and the auxiliary transmission chain is the same, and the retracting distance of each telescopic segment transmission device is the same, and this can make the telescopic segment transmission device synchronously expand and contract, making the expansion and contraction more stable.

The invention provides a support for treating benign prostatic hyperplasia. The process of implanting the support does not need a rigid condition, cooling and heating are not needed, the requirement in material quality is low, and the process is easy to control. The rigid condition is not needed in the process of implanting the support, the process can be conducted at a normal temperature, an arc-shaped supporting piece does not need to be strictly controlled, the process is easy to control, a cylindrical objected is formed after implanting the support, the cylinder object is hollow inside and does not stop proceeding of micturition, a strutting mechanism achieves that a strutting state can be firmly maintained through a cam self-locking mechanism, the positioning problem of a pull rod piece and a push-pull rod is solved through the effect of a magnetic field and the accurate position is guaranteed, through the adoption of a pull ring which is led in one way, the push-pull rod is allowed to go in and not allowed to go out, thus normal retraction of the push-pull rod is guaranteed, the supports for benign prostatic hyperplasia can be produced into different sizes according to actual requirements, and thus the support for treating benign prostatic hyperplasia has high practicability.

The invention provides a focal variation lens device including the bearing seat, the rotated focusing ring connected to the bearing seat, the lens room located in the focusing ring, the elastic gasket and the cover. The matched displacement guide rail and the sliding part are set between the focusing ring and the bearing seat. The sliding part can move along with the displacement guide rail to drive the focusing ring move comparing to the bearing seat. At the same time, lens room can move with the focusing ring and generates the axis displacement relative to the bearing seat. The cover is matched to the bearing seat and the elastic gasket is clapped between the cover and the focusing ring. The lens of the invention has the small size and is easy to operate, so the lens has the good imaging quality.

The invention discloses a sewage filtering robot capable of being used for conveniently cleaning sludge. The sewage filtering robot comprises a casing, wherein a filter tube is arranged in the casing;a filter hole is formed in the lower surface of the filter tube; a first rotating shaft is fixedly connected with the lower surface of the filter tube; a bearing is clamped and connected onto the outer surface of the first rotating shaft; the first bearing is clamped and connected onto the lower surface of the inner wall of the casing. The sewage filtering robot capable of being used for conveniently cleaning silt has the advantages that under the matching of a first gear and a second gear, the filter tube rotates, so that the left side surface of a scraping plate is used for cleaning the sludge residue on the side surface of the filter tube; the lower surface of the scraping plate is used for cleaning the sludge residue on the inner wall of the filter tube, the cleaning on the sludge residue on the inner wall of the filter tube by workers by using a manual method is not needed, so that the time and the physical strength of workers can be saved; meanwhile, the hand and the clothes ofworkers can be prevented from getting dirty by the sludge residue; therefore convenience is brought to the work of workers; the work of workers is facilitated.

The invention relates to the technical field of slide rail apparatus, in particular to a hidden type rolling shaft hydraulic reset three breaking slide rail, comprising an outer rail, a middle rail, and a inner rail; one side edge of the outer rail is embedded and connected with the middle rail through a rolling shaft bracket; the inner rail is embedded on the middle rail, comprising a reset sliding block, a hydraulic damping piston, a fixed cover plate and a draught spring; the fixed cover plate is fixed on the inner groove face of the outer rail, one side of the reset sliding block is sliding slipped in the spacing gap between the middle rail and the outer rail, the other side is sliding slipped in the fixed cover plate; a dialing post for poking the reset sliding block is arranged at one end of the lateral face of the middle rail, two projection for clipping the dialing post are positioned on the reset sliding block, a reset stop block is arranged at one end of the reset sliding block, a reset opening is positioned at the counterpart end of the fixed cover plate; one end of the draught spring is fixedly connected with the reset sliding block, the other end is fixed in the jaw on the inner groove face of the outer rail. The slide rail apparatus has the advantages of smooth expansion, balancing operation, long service life and low noise.

The invention provides an automobile seat guard plate injection mold. The automobile seat guard plate injection mold comprises a movable mold, a fixed mold, a fixed mold base plate and a lower mold base, and an inclined core pulling mechanism is connected to the fixed mold base plate; an ejector plate is arranged on the lower mold base, and an inclined ejector is arranged on the ejector plate; multiple locking blocks are arranged on the outer side wall of the movable mold in the circumferential direction, multiple spring bolts and a first elastic piece are arranged on the fixed mold, and multiple unlocking blocks are arranged on the fixed mold base plate; the unlocking blocks are in sliding fit with the spring bolts in the vertical direction, and when the spring bolts and the unlocking blocks slide to a set distance in the vertical direction, the unlocking blocks are used for driving the spring bolts and the locking blocks to be unlocked; and during mold opening, the movable mold moves upwards, the fixed mold moves upwards at the same time, so that the inclined core pulling mechanism is separated from a product, and when the fixed mold moves upwards to a set distance, the spring bolts and the locking blocks are unlocked. According to the automobile seat guard plate injection mold, rapid, effective and stable demolding of an inclined taper hole in the product and an inverted buckle structure in the taper hole can be achieved at the same time.

The invention discloses a sewage filtering method for conveniently cleaning sludge. When sludge residues on the inner wall of a filter cartridge need to be cleaned, a control panel controls a second electric drive pusher to be shortened, the second electric drive pusher drives a second pulley to move leftwards, and the second pulley does not upward extrude first extrusion blocks; at the moment, under the action of a tensile force of second springs, the second springs downwards pull a second transverse plate; the second transverse plate drives a second rotating rod to downward move by a secondbearing, a second rotating shaft and a second gear; a motor and a first gear downward move along with the second transverse plate, the second rotating rod downwards moves and is clamped in a second clamping groove, and the condition that the sludge residues on the inner wall of the filter cartridge by a manual method with the help of workers is avoided, so that time and physical strength of the workers are saved; meanwhile, the phenomenon that hands and clothes of the workers are stained by the sludge residues is avoided, further the convenience is brought for work of the workers and the workof the workers is facilitated.

The invention provides an automatic intelligent cleaning device which comprises a movable trolley, a horizontal rotating seat, a main rotary shaft and a cleaning arm arranged on the main rotary shaft,wherein a first driving motor is arranged on the horizontal rotating seat; the cleaning arm comprises a main arm, a telescopic arm, a telescopic driving mechanism, a spray boom, a rotating driving mechanism driving the spray boom to vertically rotate, and a rotation driving mechanism driving the spray boom to rotate in the circumferential direction of the spray boom; a sprayer is arranged on thespray boom; the other end of the spray boom is connected with a water supply pipe; the main arm is hinged to the top end of the main rotary shaft; a lifting driving mechanism driving the main arm to lift is arranged on the main rotary shaft; a control system is arranged on the movable trolley; and the first driving motor, the telescopic driving mechanism, the rotating driving mechanism, the rotation driving mechanism and the lifting driving mechanism are electrically connected with the control system. The automatic intelligent cleaning device is high in degree of automation and can replace manual operation to automatically clean in the site environment; and the cleaning arm is in multi-axis linkage, high in flexibility, wide in cleaning range and excellent in effect.

The invention relates to an automatic telescopic pedal assembly and a vehicle using the same. The automatic telescopic pedal assembly comprises a pedal, a transmission shaft arranged under the pedal, a gear fixed to the transmission shaft, and a rack which is fixed to the bottom face of the pedal and meshes with the gear. The transmission shaft is further provided with at least one rolling body support part. The lower surface of the pedal is provided with a support face in rolling fit with the rolling body support part. During usage, the rolling body support part achieves a support function on the pedal, so that damage caused by too large loads of the gear and the rack is avoided, meanwhile, the abrasion speed of the gear and the rack is reduced, and the service life of the automatic telescopic pedal assembly is prolonged.

The invention discloses a bottom spacer assembly for placing a whole stack of aluminum rods, which comprises a bottom roller spacer and a bottom fixed spacer, and a plurality of bottom roller spacers are arranged in parallel on both sides of the bottom fixed spacer; the bottom roller The spacer includes a first bottom spacer, a roller and a roller mounting plate, the roller mounting plate is installed under the two ends of the first bottom spacer, and the rollers are installed in the roller mounting plate; the bottom fixed spacer includes a second bottom spacer a strip and a fixing piece, the fixing piece is arranged under the second bottom spacer, and the fixing piece is in contact with the ground so that the bottom fixed spacer is fixed on the ground. The present invention can move freely with the aluminum rods during heat elongation or cooling shrinkage, avoiding indentation of the aluminum rods during the homogenization process and safely and reliably supporting the bottom spacer structure of the whole stack of aluminum rods.

The invention relates to the technical field of dump rails, in particular to a dump rail which is characterized in that the dump rail has a concealed roller and the hydraulic pressure can reset. The invention comprises an outer rail and an inner rail; one side of the outer rail is tabled with the inner rail through a roller bracket. The invention also includes a reset slide block, a hydraulic damp piston, a fixed cover board and a tension spring. The fixed cover board is fixed at the inner groove face of the outer rail; one side of the reset slide block is slidingly arranged in the clearance of the first and the second rails and the other side is slidingly arranged inside the fixed cover board; a poke column which can poke the reset slide block is arranged at one end of the inner face of the inner rail; two projection blocks to clamp the poke column are arranged on the reset slide block, one end of the slide block is provided with a reset block plate and a reset gap is arranged at one corresponding end of the fixed cover board; one end of the tension spring is fixedly connected with the reset slide block and the other end is fixed in a clamping piece arranged on the inner groove face of the outer rail. The invention has the advantages of smooth extension and contraction, balanced movement, long service life and low noise.

The invention discloses a screw thread shearing type collision energy-absorbing device for vehicles, comprising a threaded sleeve, an impacting screw rod and a nut. One end inside the threaded sleeve is an inner screw thread section and the other section is a through hole section. One end of the impacting screw rod is sleeved in the threaded sleeve and the other end extends out of the threaded sleeve. The nut is sleeved on the impacting screw rod by the screws. The external diameter of the nut is larger than the interior diameter of the inner screw thread section. One end of the nut is supported in the through hole section by a bearing and the other end extends out of the threaded sleeve. The threaded sleeve is provided with a drive motor aside fixed on the vehicle body member. The drive end of the drive motor is connected with the nut via a transmission mechanism. The screw thread shearing type collision energy-absorbing device for vehicles has simple structure, wide applicability andensures the impacting screw rod freely contracts according to the expected requirement.

The invention provides an automatic jet-flow crushing tool for natural gas hydrate solid-state fluidization and mining, and belongs to the technical field of natural gas hydrate excavation equipment.The automatic jet-flow crushing tool for natural gas hydrate solid-state fluidization and mining comprises a crushing tube, wherein the right end of the crushing tube is connected to a connecting tubethrough threads; the connecting tube communicates with the crushing tube; the upper end of the connecting tube is fixedly connected to two compression tubes; the compression tubes communicate with the connecting tube; the upper ends of the compression tubes are fixedly connected to a compression barrel; the compression barrel communicates with the two compression tubes; a first rubber plug is connected between the inner walls of the compression barrel in a sliding mode; the upper end of the first rubber plug is fixedly connected to a connecting block; the upper end of the connecting block isfixedly connected to a pressure plate; the upper end of the pressure plate is fixedly connected to three first springs; the upper end of the compression barrel is fixedly provided with a barrel cover;and the three first springs are positioned at the lower end of the barrel cover. The invention aims to solve the problems that pressure generated by jet flow in the prior art is small, crushing efficiency is low, and a crushing tool is difficult to close after crushing is accomplished.

The invention discloses an automatic door opening and closing device of a dual-motor refrigerator, and relates to the technical field of refrigerator manufacturing. The automatic door opening and closing device of the dual-motor refrigerator comprises a box body and a box door. The box body and the box door are rotationally connected through a hinge. The box body is provided with a telescopic device. A circular-arc-shaped rack is fixedly connected with one end of the hinge. The box door is provided with an intermittent gear connected with a vertically-arranged motor. The telescopic device comprises a base fixedly connected with a motor. The motor is connected with a threaded rod. A guide sleeve is arranged on the circumferential side face of the threaded rod through threads in a cooperation manner. The guide sleeve is in sliding fit with the base through a sliding block. A push rod is fixedly connected with one side face of the sliding block. According to the automatic door opening andclosing device of the dual-motor refrigerator, the circular-arc-shaped rack and the intermittent gear which is matched with the circular-arc-shaped rack and is arranged on the box door are arranged;because the telescopic device is arranged on the box body, the problem that an existing refrigerator cannot carry out automatic door opening and closing, and thereby being not convenient to use is solved; and because of thread fit between the guide sleeve and the threaded rod, and sliding fit between the sliding block and a channel, the process of the push rod to push the box door is more stable,generated noise is lowered, and generated vibration is reduced.