39results about How to "Does not affect fit" patented technology

The invention discloses an automobile brake drum with latticed stiffeners, which comprises a brake drum body. The latticed stiffeners are arranged on the outer circumference surface of the brake drum body, and comprise a plurality of ring-shaped stiffeners which are perpendicular to the axes of the brake drum body and a plurality of strip stiffeners which are parallel with the axes of the brake drum body. The latticed stiffeners can obviously improve the strength of the brake drum, increase the stiffness, reduce the probabilities of the cracking and distortion of the brake drum caused by the effects of heat and brake force, maintain the good joint between a brake shoe and the brake drum, and simultaneously increase the heat radiating area of the brake drum, thereby effectively reducing the temperature of the brake drum, reducing the affect of the heat to steel rings and tyres, increasing the service lives of the brake drum, friction disks and the tyres, effectively preventing the accidents caused by the chap of the brake drum and tyre burst, and improving the driving security.

The invention provides a method for manufacturing a quartz crystal wafer for a high-precision piezoelectric transducer. The method comprises the following steps: (1) material selection, wherein raw materials with the number of etch channels smaller than 50 are selected; (2), material orientation cutting, wherein the selected raw materials are oriented on an X-ray orientation device in the needed crystal orientation, and then a multiline cutting manner is used for cutting the quartz crystal into the wafer with the needed thickness; (3), material forming, wherein the wafer is machined into a needed shape; (4), surface treatment, wherein the formed wafer is ground by a green silicon carbide grinding material with the gradually-decreased granularity, and then polished; and (5), stress relieving. Through the five steps of material selection-material orientation cutting-material forming-surface treatment-stress relieving, the manufactured quartz crystal wafer is high in precision and stability and completely can meet needs of the piezoelectric transducer, and the processing steps can reach the higher processing precision.

The invention belongs to the technical field of edge sealing strip mounting equipment, and particularly relates to an edge sealing strip convenient to operate and install and mounting equipment. The edge sealing strip and the mounting equipment are included. In the manufacturing process of the edge sealing strip, a glue bag with a glue solution is stuck in a glue bag containing groove formed in anedge sealing body through the glue solution. When the edge sealing strip is formally mounted, it is not necessary to apply the glue solution to the edge sealing strip, and the edge sealing strip canbe directly mounted, so that the mounting speed is increased; in use, the glue bag is broken, the glue solution in the glue bag can be automatically applied to the edge sealing strip to tightly stickthe edge sealing strip, the tight sticking process and the glue solution application process happen at the same time, the glue solution pollution is avoided, and the adhesion is better; in the use process of the mounting equipment, only a front clamping mechanism and a rear clamping mechanism need to be fixed to a wooden board, and then the equipment is pulled to move; and in the application process of the glue solution, the glue solution in the glue bag is squeezed out through physical squeezing, no heating treatment is needed, and the operation is relatively easy.

The invention discloses an energy-saving roof building structure with built-in solar photovoltaic panels. The energy-saving roof building structure comprises a roof body, a motor, photovoltaic panels,a belt pulley mechanism and a paddle plate. A support frame is fixed on the lower end surface of the roof body through bolts. The outer side of a connecting shaft is sleeved with support blocks, andthe end of the connecting shaft is connected with a connecting cylinder. The other end of a movable shaft is connected with one end of a movable plate. A limiting rod penetrates through the other endof the movable plate. A connecting cavity is reserved in the movable plate. The paddle plate is fixed to the bottom of a guide rod. Fixing plates are fixed in a material storage barrel above the connecting plate. According to the energy-saving roof building structure with the built-in solar photovoltaic panels, when the solar photovoltaic panels are not used, the solar photovoltaic panels can be shielded, then the effects of protecting and prolonging the service life are achieved, sundries adhering to the solar photovoltaic panels and a roof can be removed, and the phenomenon that snowflakes are accumulated on the roof in snowy days can be prevented.

The invention discloses a flexible sensing bacteriostatic dressing capable of monitoring wound surface healing and a preparation method thereof. The method comprises the steps that a flexible substrate is dipped in synergetic dispersion containing a zero-dimensional or one-dimensional conductive bacteriostatic nanomaterial and a two-dimensional graphene nanomaterial with a bacteriostatic functionby adopting a dipping method, and after assembly is conducted, reduction is conducted on graphene oxide by using dopamine polymerization to produce the flexible sensing bacteriostatic dressing capableof monitoring wound surface healing. By means of the dressing, a damage wound surface is protected under the situation that the dressing does not need to change to achieve real-time monitoring of thewound surface, physical bacteriostatic effect is achieved and drug resistance is not generated, comprehensive and accurate information can be provided for medical workers in clinical application to relieve the pain of a patient and accelerate the healing of the wound surface, powerful support is provided for customized and accurate medical treatment, the preparation method of the bacteriostatic dressing is simple, the dressing has great significance in meeting clinical demands and solving the problem faced by the implementation of the clinical dressing, and the medical demands which cannot bemet by an existing clinical dressing are solved.

The invention discloses a disposable self-pressurizing intestinal stapler. The stapler comprises two pressurizing mechanisms which are anastomosed with one another and made of degradable polymer materials and a positioning locking mechanism made of memory alloy; the positioning locking mechanism comprises a plurality of memory alloy locking inserting members, two ends of each memory alloy lockinginserting member are provided with plugging heads to be correspondingly connected with the pressurizing mechanisms in an inserting mode, and the pressurizing mechanisms are connected and anastomosed with one another by adopting the memory alloy locking inserting members as connecting members. According to the stapler, after the stapler is installed in a patient, based on phase transition temperature characteristics of the memory alloy, the memory alloy is in an state in which the alloy constantly restores to an original state in a body temperature state, so that constant contraction force is generated to conduct effective, reliable and constant pressurizing on an anastomosis site to pertinently solve the problem of end-to-end anastomosis of a colonic area, and ensure that anastomosis forceis not affected by repeatedly opening and closing, and various kinds of complications are effectively and safely reduced, and the problem of difficult operation of the intestinal stapler during an operation is solved; the intestinal stapler can be excreted out of the body, and residuals do not remain in the body.

The invention provides a double-channel luggage central control lock which comprises a lock shell, a central control lock set, a custom lock set, a side lock and a linkage mechanism. When the central control lock set and the custom lock set are locked at the same time, unlocking of the edge lock is limited through the linkage mechanism, and the limitation on the edge lock is released through the linkage mechanism when the central control lock set and the custom lock set are unlocked. The linkage mechanism comprises a left connecting head, a right connecting head, left and right transmission connecting rods, left and right limiting blocks and a locking rod. The locking rod is matched with the central control lock set and moves left and right along with unlocking and locking of the central control lock set. The left connecting head and the right connecting head are connected with the two ends of the locking rod correspondingly. The left connecting head is matched with the custom lock set and moves left and right along with unlocking and locking of the custom lock set. The two ends of the transmission connecting rod are hinged to the corresponding connecting heads and the corresponding limiting blocks correspondingly. The limiting blocks can be rotationally connected to the lock shell through a fixing shaft. Limiting heads are arranged on the limiting blocks. When the central control lock is locked, the limiting heads abut against the edge lock. The double-channel luggage central control lock has the beneficial effects that the structure is simple, and transmission is reliable.

The invention relates to the technical field of OCA optical cement, in particular to UV solvent-free OCA optical cement with high adhesion and a preparation method and application thereof. The invention relates to a strong-adhesion UV (ultraviolet) solvent-free OCA (optical clear adhesive). The strong-adhesion UV solvent-free OCA is mainly prepared from the following components in parts by weight: 10 to 55 parts of epoxy acrylate, 5 to 30 parts of aliphatic polyurethane acrylate oligomer, 10 to 40 parts of multifunctional acrylic monomer, 0.2 to 2 parts of photoinitiator, 0.3 to 1.5 parts of silane coupling agent and 0.6 to 3 parts of long-chain acrylate. According to the invention, long-chain acrylate is introduced into the OCA optical cement, so that on the basis of not influencing the bonding performance and high light transmittance characteristic of the OCA optical cement, the three-dimensional macromolecular structure of the OCA optical cement is improved, the bonding performance is improved, meanwhile, the friction between molecules is reduced, the fluidity is improved, and the defoaming in the bonding process of touch screen components is facilitated.

The invention discloses a test bench for a water immersion performance test of a precision rolling bearing, the test bench comprises a test bench and a rotatably arranged working disc, the test bench is arranged along the circumferential direction of the working disc, the working disc is provided with a plurality of lifting frames, the lifting frames are provided with lifting rods and first driving members, and the lifting rods are connected with the first driving members. An electromagnet is arranged at one end of the lifting rod, a placing area, a soaking area, a high-speed flushing area and a rotary testing area are sequentially arranged in the testing table, a plurality of mounting seats are arranged in the placing area, mounting grooves are formed in the mounting seats, armature seats are rotationally arranged at one ends of the mounting seats, and positioning grooves are formed in the other ends of the mounting seats; a high-pressure water gun is arranged in the high-speed flushing flow area, a driving shaft and a second driving piece are arranged in the rotation testing area, a positioning head is arranged at the end of the driving shaft, and a locking piece used for being tightly matched with the positioning groove is arranged on the positioning head. The water immersion test device is simple in structure, can effectively and comprehensively carry out water immersion test, and has high detection efficiency.

The invention discloses a vibrating screening machine for asphalt concrete, and relates to the technical field of screening machines. According to the technical scheme, the vibrating screening machine comprises a base, a first screening assembly, a conveying assembly and a second screening assembly are arranged on one side of the base, the first screening assembly comprises a fixing table, the fixing table is fixedly connected with the base, a first screening box is hinged to the side, away from the base, of the fixing table, a plurality of screens are fixedly connected into the first screening box from top to bottom, the side, close to the first screening box, of the base is fixedly connected with a plurality of first motors, output ends of the first motors are fixedly connected with lead screws, the lead screws are sleeved with first sliding blocks, and the lead screws and the first sliding blocks are in threaded connection, first connecting rods are hinged to the first sliding blocks, the first connecting rods are far away from the first sliding blocks and are hinged to the first screening box, a discharging opening is formed in the vertical side wall, close to the fixing table, of the first screening box, and an opening and closing assembly is arranged at the discharging opening. The vibrating screening machine has the advantages that the asphalt concrete can be thoroughly split, and the screening effectiveness is improved.

The invention provides a material washing box, an upper shell assembly and a cooking utensil. The material washing box comprises a box body with a material discharge hole in the bottom wall, and at least one externally connected pipeline, wherein at least one through hole is formed in the side wall of the box body, an elastic connecting pipe is arranged at each through hole, a first end opening ofeach elastic connecting pipe communicates with the corresponding through hole of the box body, and a second end opening of each elastic connecting pipe extends towards the direction far away from thebox body; the at least one externally connected pipeline is in one-to-one correspondence with the elastic connecting pipes, one end of each externally connected pipeline is inserted into the second end opening of the corresponding elastic connecting pipe, and is connected with the corresponding elastic connecting pipe in an interference fit manner, and the at least one externally connected pipeline communicates with the inside of the box body through the elastic connecting pipes. In the technical scheme, the elastic connecting pipes have elasticity, so that the rapid interference connection of the at least one externally connected pipeline with the elastic connecting pipes is realized, meanwhile, the at least one externally connected pipeline is surrounded and occluded by the elastic connecting pipes, so that the situation that water or air leaks from the joints of the at least one externally connected pipeline and the elastic connecting pipes is effectively avoided, and the use stability of the material washing box is improved.

The invention relates to the field of orthopedic rehabilitation equipment, in particular to a lower limb exercise device for orthopedic nursing, which comprises a bottom plate and further comprises a squatting mechanism with resistance adjustment, the squatting mechanism is arranged on the bottom plate and comprises a fifth support and a second support which are fixed on the bottom plate, the fifth support is provided with a back plate, the second support is provided with a winding wheel, and the winding wheel is connected with the bottom plate. A pull rope is wound on the winding wheel, and one end of the pull rope is fixedly connected with the back plate; the bearing mechanism is arranged at the lower end of the back plate and is used for bearing and protecting the patient when the patient squats to the lowest point; and the anti-falling mechanism is arranged on the fifth support, is in transmission connection with the back plate and is used for stopping the back plate when the back plate suddenly slides down. According to the lower limb exercise device for orthopedic nursing, a patient has targeted lower limb rehabilitation training, so that the training effect is improved, and the safety of the patient during lower limb rehabilitation training is improved.

The invention belongs to the technical field of automobile plastic articles, mainly relates to a shaping tool and a method of using the same and is intended to solve the problem that plastic products of stiffeners that are shaped by means of conventional natural cooling experience severe shrinkage and cannot meet the requirement for technical sizes of products. The shaping tool comprises a frame, a plurality of correcting components are arranged on the frame, each correcting component comprises a shaping presser and a shaping press plate, one end of every shaping presser is connected to the frame, the other end of each shaping presser is fixedly connected to the lateral side of one side of the corresponding press plate. The shaping tool herein can be used to perform shaping correcting to meet the needs of customers without affecting subsequent installation fit with other products.