9results about How to "Frequent replacement" patented technology

The invention discloses multi-operation-head combined beauty equipment for relieving wrinkles by stimulating collagen, and particularly relates to the technical field of beauty equipment, the multi-operation-head combined beauty equipment comprises a beauty handle device, an operation head I, an operation head II, an operation head III and an operation head IV, a sealing ring is arranged on the front side of the beautifying handle device, a clamping groove is formed in the sealing ring, a notch is formed in the front side of the beautifying handle device, connectors, clamping plates and two symmetrical first connecting rods are installed on the rear sides of the first operating head, the second operating head, the third operating head and the fourth operating head correspondingly, and a second connecting rod is installed on one side of each first connecting rod. The diameter of the first connecting rod is larger than that of the second connecting rod, and a positioning groove is formed in the top of the second connecting rod. By means of the multiple replaceable operation heads, energy of different cortical layers can be achieved, different effects can be generated through stimulation, and effects can be achieved for different problems of wrinkles, sagging, sinking and loosening.

The application discloses a rice gene expression and function verification integrated detection device, which comprises a box body, a liquid nitrogen freezing assembly for freezing rice is installed in the box body, a gene extraction assembly for extracting rice genes is installed in the box body, and a gene detection assembly for detecting and verifying rice genes is installed at the top of the box body; a plurality of steps such as liquid nitrogen freezing, sample grinding, nucleic acid extraction, purification and qPCR detection are integrated, full-process automatic operation is realized through a control module, manual frequent intervention is not needed, human operation errors are greatly reduced, the accuracy and repeatability of detection results are improved, a high-concentration saline solution is combined, a low-salt elution process design is adopted, automatic magnetic bead adsorption and cleaning processes are combined, interference substances such as proteins and impurities in samples are effectively removed, the nucleic acid purity can reach more than 95%, the recovery rate can reach more than 85%, and the reliability of gene expression and function verification results is ensured.

The utility model discloses a kind of multi-station adjustable die-cutting plate positioning fixture, it is related to die-cutting plate fixture technical field.The utility model includes upper die plate, two stations are symmetrically provided in the inside of upper die plate, two guiding pieces are symmetrically installed in two stations, clamping plate is also installed in station, fastener is installed in guiding piece, the fastener includes two circular ring rubber gasket, two circular ring rubber gaskets are distributed on the upper and lower end of guiding piece.The utility model is fixed to die-cutting plate by setting several plug-in limit pieces under die-cutting plate, cooperate the clamping plate of both sides to fix the both sides of die-cutting plate, finally realize the reliable of die-cutting plate, by adjustable two clamping plates and plug-in limit piece, so that the limiting range of different size die-cutting plate can be flexibly adjusted, so that enterprise need not frequently replace fixture for replacing die-cutting plate, substantially shorten production preparation time.

The utility model provides a wastewater electro-oxidation treatment device which comprises a lower shell, an upper shell is arranged at the top end of the lower shell, a plurality of cathode plates are arranged in the lower shell, anode plates are arranged on the side faces of the cathode plates in the lower shell, a cleaning motor is fixedly connected to the top end of the upper shell, and the cleaning motor is fixedly connected to the top end of the upper shell. A connecting frame is fixedly connected to the output end of the cleaning motor, a plurality of containing boxes are arranged below the connecting frame, switching motors are fixedly connected to the inner walls of the containing boxes, and switching cylinders are fixedly connected to the output ends of the switching motors; compared with the prior art, the cleaning device has the following beneficial effects that the switching motor drives the switching cylinder to rotate in the containing box, so that a proper bristle plate can be selected according to the specific condition of sewage or a scale layer, and the descaling effect is improved; and then a bearing frame, a cleaning motor, a first gear, a second gear, a connecting frame and a containing box are matched to drive a bristle plate to slide along the surface of the negative plate, and then the surface of the negative plate can be cleaned.

The utility model belongs to big fruit hawthorn planting technical field, concretely relates to a kind of for big fruit hawthorn branch pulling device, it include: support rod;Fixed in the multiple pulling rods of support rod top;Multiple pulling structures are fixed on the pulling rod, and the pulling structure includes pulling box, rotation setting in the winding wheel of pulling box and the pulling cloth strip wound on the winding wheel.The utility model is directly fixed ring in the soil near fruit tree by support rod, does not contact with stem, fundamentally avoids the extrusion or wear of stem, adapts stem growth, need not frequent adjustment or replacement device due to stem change.In addition, the utility model support rod top is provided with multiple pulling rods, multiple pulling structures are set on each pulling rod by fixed cylinder, can adapt to different height, different direction branch, can cover asymmetric growth, scattered distribution branch, meet the complex spatial layout demand of big fruit hawthorn branch.

The utility model relates to artillery barrel maintenance technical field provides a kind of pneumatic bore cleaning machine for artillery barrel, it include: gas pipe, still include: bushing, fixedly connected in the one side of the gas pipe.The utility model, by controller control solenoid valve opens, make the gas that is transported to the inside of gas pipe inner cavity pass through L-shaped pipe and be transported to hollow tube, and in the cooperation of rubber ring one and rubber ring two sealing, make the air pressure inside hollow tube strengthen, make movable rod slide to outside along the inside of hollow tube, synchronously drive connecting strip, fixed strip and round rod three move to one side, make round rod three slide in the inside of straight slot, make movable strip rotate appropriate angle around the outer surface of round rod one, make multiple arc brush plate synchronously move to outside parallel, like this can make pneumatic bore cleaning machine adapt to artillery barrel of different calibers, need not to frequently replace arc brush plate, to improve the efficiency of artillery barrel cleaning.

The invention discloses an adjustable physiological sea salt water nasal cavity sprayer, and belongs to the technical field of nasal cavity sprayers. The spraying assembly comprises a spraying generator, the spraying generator comprises an atomizing bin and a containing bin, and a purification filter element structure used for pumping liquid medicine into the atomizing bin is arranged in the containing bin; the purification filter element structure comprises a micro liquid pump, a first filter element and a passive standby filter element structure. After sediments in the spray liquid are intercepted and filtered out through the first filter element in the clean filter element structure, the filtered spray liquid is poured into the atomization bin for atomization treatment, so that when the atomizer executes a nasal cavity atomization task, the atomization effect is improved, and the atomization efficiency is improved. The situation that sediments in spray liquid are attached to the surface of the atomization piece or block micropores of the atomization piece is effectively avoided, the nasal cavity atomization effect is guaranteed, meanwhile, the situation that the atomization piece needs to be frequently replaced due to blockage and damage is avoided, and the maintenance cost of the sprayer is reduced.

The utility model relates to agricultural machinery technical field especially a kind of rotary cultivator with multiple composite sealing cutter shaft bearing seat, bearing is installed on the journal of bearing seat body;The inner wall of outer sleeve is equipped with the labyrinth seal body matched with bearing seat body;Bearing seat body is equipped with the retainer ring matched with the labyrinth seal body on it;Double-layer sealing element is equipped on the bearing seat body between the labyrinth seal body and bearing, the labyrinth seal body and retainer ring form non-contact physical barrier, make silt under centrifugal force under the action of zigzag channel and throw out, intercept large particle impurities and grass clippings;Rhombic opening of double-layer sealing element self-adapting cutter shaft thermal deformation, always keep lip edge to fit, sealing bevel tooth generates one-way oil pumping effect, actively block mud and water penetration, while multiple protrusions enhance radial sealing pressure, realize mud change will zero invasion, in addition, ladder wall isolation, even if the labyrinth seal body fails, pollutants are still blocked outside bearing.

The present disclosure relates to the technical field of burr removal, and one embodiment of the present disclosure provides a burr removal device for guardrail post machining, which comprises a base, a machining table mounted on the upper side of the base through a support column, a rotating sleeve, a driven gear, a clamping assembly, a drive shaft, a driving gear and a polishing wheel, a plurality of rotating sleeves are rotatably installed in the machining table, a driven gear is sleeved on the rotating sleeve, clamping assemblies are arranged on the upper and lower sides of the rotating sleeve, the clamping assemblies are used for clamping the post, the drive shaft is rotatably installed on the upper side of the base, a driving member for driving the drive shaft to rotate is arranged on the inner top wall of the base, and the driving gear is sleeved on the drive shaft. Through the above technical scheme, the technical problem that the burr removal device for guardrail post machining in the prior art is difficult to realize synchronous polishing and burr removal of both ends of the post, workpieces are frequently replaced, and the working efficiency is reduced is solved.