84results about How to "Effective bending" patented technology

A refraction-type LED ceiling lamp, especially a plate-type ceiling lamp which is used on an indoor ceiling, includes primarily a fiber light guide plate, a reflection surface of which is provided with multiple chip-shape reflection elements, distributed in arrays. A chip size of the reflection elements decreases gradually toward an entrance surface by a geometric series; whereas, a gap between the reflection elements increases gradually. A reflection curve of the reflection element allows light to be projected out uniformly and a required illumination angle to be achieved.

A piezoelectric pump having a first opening in a center portion of a pump body, and a second opening apart from the center. An outer peripheral portion of a metal diaphragm is fixed to the pump body, and a piezoelectric element having a size that covers the first opening and does not cover the second opening is bonded to a back center portion of the diaphragm. By applying a voltage near the resonance frequency to the piezoelectric element, a portion of the diaphragm opposing the first opening and a portion of the diaphragm opposing the second opening are bent in opposite directions so that fluid is drawn in from one of the first opening and the second opening and is discharged from the other opening. Such a piezoelectric pump can increase the discharging pressure, and can reliably discharge the fluid even under a condition where the pressure on the discharging side is high.

The invention provides a wide-angle distortion-removing dual-band confocal optical lens which comprises a front group, a diaphragm, a back group and an optical filter. The wide-angle distortion-removing dual-band confocal optical lens is characterized in that the front group is a Galileo optical system and comprises a first negative lens, a second negative lens, a third negative lens, a first positive lens and a second positive lens in sequence from a near object side, the back group has positive focal power and comprises a third positive lens, a fourth negative lens, a fourth positive lens, a fifth positive lens and a sixth positive lens in sequence from the near object side, the third positive lens, the fourth negative lens and the fourth positive lens are tightly connected into a tight-connecting group, and the lenses are all glass lenses. According to the wide-angle lens, ten lenses are used, elements are arranged reasonably, the structure is simple, production difficulty and cost are lowered, the requirement that a view field angle reaches 126 degrees, and distortion is smaller than 5% is met, imaging quality is high, wave bands are visible bands and near-infrared bands, and the optical lens can be used for a monitoring camera for day and night.

Walking aids are described which are of simple construction but which allow for both resilience, i.e. the part of the walking aid which is gripped by the user and the ground-engaging end (3) can be resiliency pressed together, as well as a degree of angular flexibility so that the end (3) stays aligned with the ground even if the stick, crutch or the like (1) is angled relative thereto. This is achieved in particular by the use of a bellows structure (2) between the shaft (1) of a walking aid and a ground-engaging foot (3).

The busbar molded article 10 includes: a busbar 12 formed by being stamped out from an electrically conductive substrate; a plurality of terminal parts 17 lined up on the busbar; and a resin band 25 for alignment-correction formed on the side of an end of a plurality of the terminal parts 17, wherein each terminal part 17 is provided with: a first bent part 21 bent by a small bend angle θ1; and a second bent part 22 bent by a large bend angle θ2 by stamping with a pressing machine, the second bent part 22 being formed nearer to the side of a base of each terminal part 17 than the first bent part 21 being formed, so that the resin band 25 is offset to a mold 45 that moves up and down of the pressing machine.

The invention discloses a reinforcing steel bar bending device for a building. The reinforcing steel bar bending device comprises a bottom plate, a supporting plate, a supporting device, a cover plate device, a first pushing device, a second pushing device and a positioning device, wherein a first supporting block and a first roller are arranged on the bottom plate; a first supporting rod, a first cross rod and a second roller are arranged on the supporting plate; the supporting device comprises a second supporting rod, a third roller, a third supporting rod, a fourth roller, a fourth supporting rod, a fifth roller, a second cross rod, a first obliquity rod, a third cross rod and a first bent rod; the cover plate device comprises a first bracket, a second bracket, a fourth cross rod, a second vertical rod, a fifth cross rod, a third vertical rod, a fourth vertical rod, a sixth cross rod, a sixth roller and a cover plate; and the first pushing device comprises a first air cylinder, a first pushing rod, an eighth roller, a third bracket, a sixth vertical rod, a fifth supporting rod, a first guide block, a fourth bracket, a second bent rod and a fifth bracket. The reinforcing steel bar bending device can be used for effectively bending a reinforcing steel bar.

The aim of the invention is to provide a method for connecting two pieces of sheets, including: a step of forming a bending piece by bending a end part of a first sheet from one of the two sheets made of metal to a sharp angle relatively to a base part of the first sheet; a step of forming a bending piece by bending a end part of a second sheet from the other one of the two sheets made of metal to form an opening of the end relative to a base part of the second sheet, which opening is shorter than a maximum distance between the bending piece and the base part of the first sheet; a step of connecting the first and the second sheets, due to elastic recovery of the bending piece of the first sheet, by inserting the bending piece and the opposite base part of the first sheet into the bending piece and the opposite base part of the second sheet via the opening, and bending the bending piece of the first sheet to a further sharp angle.

The invention provides a steel bar net bending machine which comprises a base (1), a bottom plate (2), an upper press plate (3), a bending plate (4), a first cylinder (5), a cylinder support (6) and a second cylinder (7). The bottom plate (2) is arranged on the top of the base (1); the bending plate (4) is arranged on a side of the base (1), and the bending plate (4) and the bottom plate (2) are positioned on the same horizontal plane; the first cylinder (5) is fixed on a side of the base (1) and is connected with the bending plate (4); and the upper press plate (3), the second cylinder (7) and the cylinder support (6) are sequentially connected with each other. The steel bar net bending machine is simple in structure, low in cost and convenient to operation, steel bar nets can be bent at optional angles as needed, labor intensity can be reduced, and production efficiency can be increased.

A grooming device for use on a walk behind mower which has an operator's handle. The lawn grooming device includes an adjustable tow bar mounted on an operators handle of the walk behind lawn mower; a hitch member mounted on the adjustable tow bar; and a weighted earth engaging roller assembly releasably coupled to the hitch member, and oriented in trailing relation relative to the walk behind lawn mower, and wherein the weighted roller assembly is pivotally moveable in both a horizontal and vertical plane relative to the tow bar.

A vehicle seat includes a seat frame; and a shield that is fitted to the seat frame. The shield includes a fitting portion that is integrally fitted to the seat frame, and an elastic support portion that is elastically pressed against the seat frame at a position different from a position of the fitting portion.

An immersive rear projection imaging and audio system with interactive capability. It utilizies a single projection device. Said device receiving its image correction information via a computer interface. The computer interface is performing 3-D geometric image reformation and correction from the source. Said source may be supplied by any commercially available media or means. The receiving surface of the specially treated, vertically oriented open ended dome screen having a truncated lower quadrant section. Within said hemispherical display screen, the viewer's field of vision is immersed within the projected image. We further cause an immersive audio experience within this same space and present a method for producing same.

A first separator constituting a separator member of a fuel cell stack is provided with a first rib that protrudes from the first separator at a portion between a first seal line and a load receiving portion toward a second separator located on the opposite side across an MEA and that extends in a line along the extending direction of the first seal line. An opening is formed in at least one end of the first rib in the extending direction thereof.

The invention discloses an under-actuated manipulator with a manual synchronous control function. The under-actuated manipulator comprises an induction glove main body, an under-actuated manipulator main body and a control module; the induction glove main body comprises a rubber glove with five finger sleeves; resistance bending sensors are fixed on the back surfaces of the five finger sleeves ofthe rubber glove; the under-actuated manipulator main body comprises a palm base; the palm base is connected with five driving fingers; an under-actuated mechanism is arranged between each driving finger and the palm base; the control module comprises a single-chip microcomputer module; the single-chip microcomputer module is connected with the resistance bending sensors, and is used for receivingfeedback signals of the resistance bending sensors; and the single-chip microcomputer module is connected with a driving steering engine. The induction glove can be used for manual synchronous control of the manipulator; and the improved under-actuated mechanism is used for driving, so that the under-actuated manipulator has the characteristics of high adaptability, high strength and simple control.

The invention provides a detection tool based on the rebound performance test of a high-strength plate beam structure. The detection tool comprises a connecting hole, a pull rod and baffles. A body isa of rectangular plate structure. Guide slots are arranged on the two sides of the upper right end of the body, and springs are installed in the guide slots. The bottom of fixing parts is connected with the upper left end of the body through fixed connection. Anti-skid parts are of a rectangular plate structure, and are made of rubber. The inner sides of side parts are connected with the two sides of the body through fixed connection. A roof plate is installed at the left end of the body, so that the roof plate can assist in fixing a high-strength plate beam, and the roof plate can fix the high-strength plate beam and prevent the plate beam from hurting people due to sliding during bending. The inner side of the roof plate is of an inclined structure, and the right side of the roof platecan block the plate beam even if the plate beam bounces up.

The invention relates to a method for detecting the firmness of a steel structure truss after butt joint. Equipment for detecting the firmness of the steel structure truss after butt joint is used inthe method. According to the method, the problem that the overall quality of the steel structure truss is affected due to the fact that a traditional truss inspection method adopts manual observation,and the manual observation has a certain uncertainty, is inaccurate and easily makes wrong misjudgment can be solved; after the truss is formed into an I shape, when bending is caused due to externalcauses, the overall structure of the I-shaped steel structure truss is inclined and deformed if the bent truss is not processed, so that the installed I-shaped steel structure truss is not stable; and when the I-shaped steel structure truss is inspected, multiple points of the I-shaped steel structure truss can be detected to obtain reliable data so as to provide accurate analysis, and bending ofthe I-shaped steel structure truss can be effectively processed.

The invention discloses a preparation device of antibacterial active carbon cloth, which comprises a surface layer reel, a bottom layer reel, a winding reel, a carbon charging tank and two middle layer reels, wherein middle layer cloth pulled out of the two middle layer reels passes through the carbon charging tank and then converges to form two-layer cloth; the surface layer reel and the bottom layer reel are symmetrically arranged on the two sides of the two-layer cloth; surface cloth pulled out of the surface layer reel and bottom cloth pulled out of the bottom layer reel converge with the two-layer cloth to form four-layer cloth; and finally the four-layer cloth is wound by the winding reel. The active carbon cloth prepared by the device has functions of bacterium adsorption and control.

The invention discloses a steel pipe production device which is used for machining a steel plate to form a steel pipe. The steel plate is provided with a first end and a second end. The device comprises a limiting part used for limiting the first end of the steel plate, a clamping part used for clamping the second end of the steel plate and a power part used for driving the clamping part to move from the second end of the steel plate to the first end of the steel plate and driving the clamping part to rotate circumferentially till the second end of the steel plate abuts against the first end of the steel plate. By means of the device, the steel plate can be effectively bent and then welded to form the steel pipe.

The present invention discloses a drainage device capable of adjusting a drainage area. The drainage device comprises an outer sleeve pipe and also comprises an inner sleeve pipe structure, a connection structure and a suction adjustment structure; a plurality of drainage holes are arranged in an outer circumference of the outer sleeve pipe, the inner sleeve pipe structure comprises an inner pipeand a bifurcation structure; the suction adjustment structure is connected with a top end of the connection structure; the suction adjustment structure comprises a bracket, a bottom end of the bracketis fixedly connected with the top end of the connection structure, the bracket is provided with a space for passing out of bifurcation ends and an adjustment member, and the adjustment member is fixedly arranged on the bracket and contacts with the bifurcation structure to press the bifurcation ends. By arranging the inner sleeve pipe structure, the drainage device in human body can also conductdrainage of liquid near bifurcation suction holes in the bifurcation ends by the bifurcation structure in the inner sleeve pipe structure; and users only need to push the inner pipe, so that the adjustment member of the suction adjustment structure contacts and presses the bifurcation ends to conduct drainage of different areas in body cavities.

The invention provides a PEEK pipeline hot bending production process and a hot bending die, and relates to the technical field of aviation pipeline hot bending production processes. The PEEK pipelinehot bending production process is a process in which a PEEK pipe is formed by injection molding of PEEK granules, and then the PEEK pipe is bent while being heated. The process comprises the following steps that a PEEK pipeline is arranged on a hot bending die; and the hot bending die is heated, and after the PEEK pipeline reaches a preset temperature, the hot bending die is driven by a bending machine to bend the PEEK pipeline. The PEEK pipeline hot bending production process is used for bending the PEEK pipeline.

To provide a roll, a rolling mill and rolling method capable of not only effectively correcting the plate crown of a material to be rolled but also reducing the edge drop and preventing a roll from damage caused by the increase of the local line pressure between the rolls.

A roll crown is formed by a continuous curve having a local maximum point and a local minimum value point where the central region held between the local maximum point and the local minimum point represents one function and the end region from the local maximum point to the nearer roll end represents another function having an inclination of steeper gradient (or having a radius decreasing more sharply toward the roll end) than that of the extension of the function in the central region.