405results about How to "Won't bend" patented technology

The invention discloses a flexible display screen and a flexible display device. The flexible display screen comprises a display device, a flexible base material, a supporting structure and a drivingchip, wherein the display device is located on the flexible base material, the flexible base material is located on the supporting structure, the supporting structure is provided with a groove, and the groove is used for accommodating the driving chip. Therefore, compared with the prior art, the groove for accommodating the driving chip is formed in the supporting structure in the flexible displayscreen in the embodiment of the invention, the driving chip does not make a screen body of the flexible display screen bent, and thus the display effect of the flexible display screen is not affected.

A return spring adjustment apparatus and method of a wave power system. The apparatus comprises return springs (5, 9), a stepper motor (6), transducers (7, 10, 27, 29), a single chip microcomputer control module (8) and a power source. The two ends of the return springs (5, 9), a chassis (12) of the stepper motor, a rotor (11), the two ends of the transducers (7, 10, 27, 29) can all be randomly arranged in series, and connected with a spindle (4) and a frame (22). When a single chip microcomputer detects that the transducers (7, 10, 27, 29) measure that the pulling force is too large or too small, it sends an instruction to the stepper motor (6) to perform adjustment. After the adjustment is completed, the stepper motor (6) stalls and brakes, so that the return springs (5, 9) can work in within a specified range.

The invention discloses a smart card conveyer belt and a smart card conveying mechanism. The smart card conveyer belt comprises a conveyer belt body, the conveyer belt body is provided with a plurality of rigid shifting teeth, the shifting teeth extend in the height direction of the conveyer belt body to extend out of the lower edge of the conveyer belt body, and a card pushing part for pushing cards is formed by the extending-out part. The smart card conveying mechanism comprises the conveyer belt and a power mechanism, the power mechanism comprises a motor and at least two synchronization belts, synchronization teeth of the conveyer belt are meshed with tooth grooves in synchronization belt wheels, and one synchronization belt wheel is driven by the motor. By means of the smart card conveyer belt, the shifting teeth cannot be bent and deformed when the cards are pushed to conduct code printing, and it is guaranteed that the positions of printed characters on the cards are accurate.

The invention provides a creep compression experimental apparatus. The creep compression experimental apparatus comprises an installation frame connected between an upper stretching rod and a lower stretching rod of a creep test machine, wherein the installation frame comprises an upper pressure block and a lower pressure block, the upper pressure block is provided with a threaded hole A, the lower pressure is provided with a conical hole coaxial with the threaded hole A, one end of a test sample is fixed in the threaded hole A, the other end is located in the conical hole by virtue of a conical head of a conical positioning device, and when the conical head is matched with the conical hole, the threaded hole A, the conical head, the conical hole and the test sample are coaxial. The auto-positioning function is realized by virtue of a conical surface contact of the conical positioning device, so that the test sample can be well centralized in the single-axis compression process, and the instability bending possibility of the test sample can be reduced. By virtue of the reversely-arranged extension rod, the rebound displacement of a precompressed sensor measuring head in the reset process is taken as the compression creep deformation of a sample, so that the occurrence of overstroke of the sensor measuring head and damage to the displacement sensor can be effectively avoided.

The invention discloses an aerobics flexibility training aiding device. The device comprises a bottom plate and a back plate. A sit-and-reach tester is arranged on the bottom plate, and a first binding band is further arranged on the bottom plate. The left end of the rear side wall of the bottom plate is horizontally hinged with a left leg restraining plate, and the left end of the front side wallof the bottom plate is horizontally hinged with a right leg restraining plate. The right end of the upper surface of the left leg restraining plate is vertically provided with a left pedal, and the upper surface of the left leg restraining plate is also provided with a second binding band capable of binding the left leg. The right end of the upper surface of the right leg restraining plate is vertically provided with a right pedal, and the upper surface of the right leg restraining plate is also provided with a third binding band capable of binding the right leg. Support rods are vertically and fixedly arranged at the front end and the rear end of the upper surface of the back plate, and a leg pressing device and a back bending device are detachably connected between the two support rodsfrom bottom to top. Compared with the prior art, the device has the advantage that the flexibility training can be completed by a user himself/herself, and the device integrates a plurality of flexibility training functions, and is applicable to users of different heights.

The invention discloses a diode lead-out line straightening machine, which comprises a primary straightening device, a transmission conveying device, an oscillation orientation precise straightening device, a finished product gathering hopper, a control system, a stander and a supply device enabling the diodes to be sequentially arranged at intervals. The supply device, the primary straightening device, the transmission conveying device and the oscillation orientation precise straightening device are sequentially connected with one another, the oscillation orientation precise straightening device comprises a first straightening roll, a second straightening roll, a material uniformly-distributing mechanism, a reversing device enabling the orientation of lead-out liens of the diodes to be in consistency, a second drive mechanism for driving the first straightening roll to rotate and supplying power to the material uniformly-distributing mechanism and a third drive mechanism for driving the second straightening roll to rotate, the first straightening roll and the second straightening roll make relative differential movement, and a precise straightening passage with an adjustable gap and capable of dropping the diodes processed by the material uniformly-distributing mechanism is arranged between the first straightening roll and the second straightening roll. Through twice screening, the twisting, broken pin and reject phenomenon of the diodes in the straightening process can be avoided, and the phenomenon that the diode misses the straightening also can be avoided.

The invention provides a voice coil and an electrodynamic speaker. The electrodynamic speaker uses the tabulate voice coil in scroll direction vertical to the vibrating direction of a speaker vibration plate and is long and thin with short diameter being smaller than the long diameter. The electrodynamic speaker has superior voice reproduction capacity and is suitable for being mounted on equipment such as a display. The voice coil is formed by bonding end surfaces of the first and second coils as the tabulate hollow coils by way of making the first coil and second coils consistent with respective scrolls and connecting the bonded first and second coils in series or in parallel by way of flowing voice signal current in a same direction. The hollow coil is formed by winding the flat wire in multiple layers in a non-staggered manner relative to the scrolls and comprises a reinforcing board which is accommodated in an internal peripheral space regulated by an internal peripheral end part formed by bonding the first and second coils. The internal peripheral end part is matched with the external peripheral end part.

The invention provides a wear-resistant waterproof rubber flexible cable of a suspender. The cable comprises a cable body and projections arranged symmetrically at the upper and lower ends of the cable body, and the cable body is composed of a cable core, an inner sheath, a bearing reinforced layer and an oversheath; the cable core is composed of a water-blocking tape wrapping layer and an internal core; the cable core is internally provided with three power cores and a grounding core; the water-blocking tape wrapping layer is extruded outside the power cores and the grounding core; the inner sheath is extruded outside the cable core; the bearing reinforced layer is extruded outside the inner sheath; the oversheath is extruded outside the bearing reinforced layer; and bearing steel ropes are arranged in the projections respectively. According to the structure of the cable, two high-intensity aviation steel ropes are added symmetrically and serve as bearing carriers when the oversheath is extruded, the cable has a large bearing capability as well as high mechanical, wear-resistant, corrosion-resistant, cold-resistant and waterproof performances, and the cable is especially suitable for suspenders of hoisting equipment.

The invention relates to a mortise lock and a key thereof, which belong to a door lock and a key device. The mortise lock comprises a lock body, an inner lock core column, an outer lock core column, an inner clutch, an outer clutch and a plectrum, wherein the plectrum is placed between the inner clutch and the outer clutch. The invention has the essential that an inner hole is arranged at the outer end part of the inner lock core column, a spring is arranged in the inner hole, and the outer end part of the spring is supported on the inner end surface of the inner clutch; the mortise lock is provided with an ordinary key and a knob key capable of being inserted into the inner lock core column, and the length of the knob key capable inserted into the inner lock core column is shorter than the length of the ordinary key inserted into the outer lock core column; the inner lock core column and the outer lock core column are provided with two rows of marbles, wherein the marbles on the upper row control an upper locking key, and the marbles on the lower row control a lower locking key; and a clamping spring and a steel column are arranged at the outer end part of the outer lock core column. The mortise lock has the advantages that the prying, drilling and technical unlocking capabilities are strong, the mortise lock not only can be unlocked in a single direction, but also can be converted into bidirectional unlocking, and the mortise lock has safe and convenient use for users.

The invention discloses an anti-seismic prefabricated assembly bridge pier and a construction method thereof. The bridge pier is formed by assembling a pier column upper section, a pier column lower section, prestressing tendons and a rubber elastic layer to form a bridge pier body, notches are reserved around the prefabricated bridge pier body, energy-consuming steel plates are anchored into thenotches, and it is ensured that the energy-consuming steel plates do not be bent to the inner side of a prefabricated pier column under the effect of loads; and split bolts are arranged between the oppositely-arranged energy-consuming steel plates, and it is ensured that the energy-consuming steel plates cannot be bent to the outer side of the pier column. By arranging the rubber elastic layer, onthe one hand, the anti-seismic energy dissipation capacity of the externally-mounted energy-consuming steel plates and the built-in rubber elastic layer is fully utilized, and the energy-consuming steel plates and the rubber elastic layer cooperate to jointly ensure the anti-seismic performance; on the other hand, collision between the upper and lower sections and caused by the earthquake can beprevented, and cracking and crushing of concrete are effectively prevented. By means of the construction method, the technical route of pre-prefabrication and on-site assembly is adopted, and the prefabricated energy-consuming steel plates, the pier column upper section and the pier column lower section can be connected together through an anchoring device and the prestressing tendons, and assembly is completed simply and efficiently.

The invention relates to a manufacturing device and a manufacturing method of an engineering plastic drainage plate. The manufacturing device comprises a feeding device, a pressing device and a winding device, wherein a discharging port of the feeding device is connected with a feeding port of an extruding device, the plastic drainage plate which is extruded in the extruding device sequentially passes through a cooling device, a drying device, a film coating deviation correcting device, a copper wire filling device, an adjustable coating device, a pressing device, an automatic cutting device and the winding device, film coating non-woven fabric is arranged on the film coating deviation correcting device, and the film-coated non-woven fabric and the plastic drainage plate enter the adjustable coating device together, and the copper wire filling device comprises a supporting frame, a copper wire coil, a rolling wheel and a nail pulling device. According to the manufacturing device, the plastic drainage plate can be safely and efficiently manufactured, an induction copper wire is arranged on the plastic plate water plate, and the induction copper wire can be kept in a straight line, so that the production efficiency is improved, and the induction copper wire in the plastic drainage plate cannot be bent.

The invention relates to the field of breaking devices of metal filling, and particularly to a chipping and breaking device of aluminum product chippings. The chipping and breaking device comprises a chipping and material receiving basket, a chipping device and a material discharging device, wherein the chipping and material receiving basket is designed into the shape of a square funnel, the throat is connected with the chipping device, the chipping device comprises a breaker roll, a breaker roll speed reducer for driving the breaker roll to rotate and a knife edge plate, a plurality of cutterheads are vertically and uniformly processed on the breaker roll at intervals, 4 cutting heads are uniformly distributed on each cutterhead, the cutting heads of two adjacent cutterheads are mutually malposed, the knife edge plate and the breaker roll are installed in a parallel and adjacent manner, and the gap between the cutting edge of the cutting head on the breaker roll and the knife edge plate is 1 to 3 millimeters. The chipping and breaking device is provided with the knife edge plate, the knife edge plate supports aluminum chippings together with the breaker roll when the chipping and breaking device is not in the working state, the load bearing burden of a spiral material feeding stick is reduced, the spiral material feeding stick can not be bent under pressure, and the service life of the spiral material feeding stick is prolonged.

Copper electroplating methods provide low internal stress copper deposits. Concentrations of accelerators in the copper electroplating bath vary as a function of the plating current density and the low internal stress copper deposit is observed as a matt copper deposit.