87results about How to "Increase the number of pieces" patented technology

The invention relates to a voice coil motor, which comprises a lens cylinder, a magnet, at least one spring plate and a printed circuit board process coil, wherein the lens cylinder is provided with a lateral wall and a first accommodating cavity for accommodating a lens; the magnet surrounds the lateral wall and is separated from the lateral wall; the at least one spring plate is connected with the lens cylinder; and the printed circuit board process coil is fixed on the lateral wall and is opposite to the magnet. The printed circuit board process coil generates a magnetic field force with the magnet after being electrified, to drive the lens cylinder to move along the axis. The at least one spring plate generates deformation when the lens cylinder moves, and applies a restoring force to the lens cylinder, so that the lens cylinder moves to a preset position from an initial position under the actions of the magnetic field force and the restoring force, is then still and restores to the initial position after the current of the printed circuit board process coil is powered off. The voice coil motor is convenient to assemble.

The invention discloses a planar metal micro-needle array and a preparation method thereof, and belongs to the technical field of medical instruments and the field of machining. A large-size metal sheet is cut into small-sized metal sheets, a clamping tool composed of an upper metal cover plate and a lower metal cover plate is machined, a groove matched with the size of the small-sized metal sheets is formed in the inner side of the upper cover plate of the tool, and through holes are formed in the edges of the periphery of the cover plate; the metal sheet is placed in the groove, and fastenedthrough bolts; the geometrical shape and the size of the sheet-shaped micro-needle array are designed, and a plane micro-needle CAD model is constructed; according to a cutting wire feeding path of the CAD model, the sharp degree of needle tips is ensured by adopting an 8-shaped path during machining of the micro-needle tips, and a few materials are left on the two sides of a micro-needle array substrate to be not cut; and after the processing is finished, a tool is disassembled to clean the substrate, and unprocessed parts of the two sides of the micro-needle substrate are cut to obtain theplanar metal micro-needle array with a plurality of micro-needle bodies. The micro-needle array can be manufactured in a large scale through simple assembly, the cost is low, the efficiency is high, and the machining precision of the micro-needle tips can be guaranteed.

The invention relates to the technical field of investment pattern precision casting, in particular to a loose control method for a fine and long thin-wall crowned isometric crystal cast turbine blade. According to the provided loose control method for the fine and long thin-wall crowned isometric crystal cast turbine blade, a blade body inner pouring gate does not need to be additionally arrangedduring wax pattern combination, the opening design is made on a prepared shell when the 1/3 section of the middle portion of a blade body is wrapped by heat preservation cotton, the temperature at the blade body cotton wrapping opening position of the shell is low, solidification is fast, and the 1/3 section of the middle portion of the blade body can be promoted to be preferably solidified; goodfeeding can be provided for the preferably-solidified 1/3 section of the middle portion of the blade body through the non-solidified or slowly-solidified tenon end blade body 1/3 section and the blade crown end blade body 1/3 section, good feeding can be provided for the tenon end blade body 1/3 section and the blade crown end blade body 1/3 section through a blade crown inner pouring gate, a tenon inner pouring gate and a transverse sprue, accordingly, the sequential solidification mode that the 1/3 section of the middle portion of the blade body is preferably solidified can be achieved, andthe loose degree of the fine and long thin-wall crowned isometric crystal cast turbine blade can be effectively reduced.

The invention discloses a large length-diameter ratio plane metal microneedle array, a preparation method and clamping and penetration auxiliary devices of the large length-diameter ratio plane metalmicroneedle array, and belongs to the technical field of medical instruments. A large-sized metal sheet is cut into small-sized metal sheets; a clamping tool consisting of an upper metal cover plate and a lower metal cover plate is machined, wherein the inner sides of the upper metal cover plate and the lower metal cover plate of the clamping tool are provided with grooves, and the metal sheets are placed in the grooves and fastened through bolts; and the geometric shape and the size of the microneedle array are designed, and linear cutting is performed on the tool and the metal sheets as a whole to obtain the plane metal microneedle array with a plurality of microneedle bodies. In addition, the invention also provides the assembly clamping device and the penetration auxiliary device of the large-aspect-ratio plane metal microneedle array. The assembled penetration auxiliary device is placed on the skin, and the microneedle array penetrates into the skin through the auxiliary device. The microneedle array can be manufactured in large batches through simple assembly, the cost is low, the efficiency is high, and the processing precision of microneedle tips can be guaranteed; and moreover, the use reliability of large length-diameter ratio microneedles can be comprehensively improved.

The invention relates to an electric motor construction kit for assembling a plurality of electric motors, in particular for mounting at least two configurations or types of preferred electronically commutated electric motors. The electric motor construction kit for assembling a plurality of electric motors includes at least one module and a plurality of assemblies for constructing the plurality of electric motors. At least one assembly of the plurality of assemblies includes one or more modules of the at least one module. Apart from a cooling system of an electric motor of the plurality of electric motors, each module of the electric motor assembly is constructed from general parts. In addition, the invention further relates to an electric motor or diffent types of electric motors, in particular electronically rectified electric motor or electronically rectified different types of electric motors, preferably full-bearing motor and / or semi-bearing motor (0), has/have a support module or a support module in the electric motor assembly, the support module of the motor is suitable for a second motor in different type, or different motors have substantially the same support module.

The invention discloses an object receiving shelf which can infinitely extend. The object receiving shelf comprises received objects and a plurality of connecting devices, wherein the corners of the received objects form a plurality of connecting parts; each connecting device comprises two connecting blocks, a rod piece and a connecting piece; two connecting blocks are in clamping combination and simultaneously cover the connecting part connecting the received object; the rod piece is inserted in one of the connecting blocks; two connecting blocks are connected and fixed through the connecting piece so that the connecting device does not fall off; the received objects and the plurality of the connecting devices form the object receiving shelf; the connecting blocks of the connecting device can be axially and infinitely extended with the connecting device; and the connecting blocks can be transversely and infinitely extended with the received object to form the object receiving shelf which can infinitely extend.

The invention provides a door construction for a vehicle, and rigidity of a base portion of a window frame portion can be reliably improved through simple construction. An inner side reinforcer (22) is engaged to an inner side of a carriage supporting a window outer side reinforcer (21) of a window frame (3A), a lower portion (22b) of the inner side reinforcer is engaged to an inner plate (12), the inner side reinforcer (22) and the window outer side reinforcer (21) have an expansion surface (21b), and the expansion surface is formed at one side opposite to a door window based on the window frame (3A), wherein, an outer side reinforcer (4) has an extension portion (41) extending to the expansion surface and engaged with the inner side reinforcer (22) via the extension portion.

A webbing winding device (10) is provided with: a spool (14) on which webbing (12) is wound and which has a webbing insertion hole (14B) through which the webbing (12) is passed; and a stopper member (15) which engages with a peripheral edge of the webbing insertion hole (14B) to affix an end of the webbing (12) to the spool (14). The webbing winding device (10) is further provided with load support sections (a portion (P2) which is located on one axial side of a first serration section (34A) and a portion (P5) which is located on the other axial side of a cylindrical section (34E), the first serration section (34A) and the cylindrical section (34E) being formed on a torsion shaft (34)), the load support sections being disposed radially inside the spool (14) relative to the stopper member (15) so as to be located close to the spool (14), the load support sections supporting a load inputted from the webbing (12) to the spool (14) through the stopper member (15).

The present invention provides an optical device and a camera device, wherein a lens unit is provided with a ganged plate (204), having a ganged key (203) extending in an optical axis direction and rotating gangedly along with a rotation of a zooming loop; a rear element lens frame (107), having a helical part (201) on an external circumference surface containing an arris extending in a direction inclined relative to the optical axis direction, and a key groove (202) jointed with the ganged key (203) rotating along with the rotation of the ganged plate (204); and a back lens cone, arranged on an external side of the rear element lens frame (107) and showing a approximate cylinder shape, and having helical parts for forming a helical mechanism by conjoining with the helical part (201) on an inner circumference surface, so as to support the rear element lens frame (107), the ganged key (203) and the key groove (202) movably in the optical axis direction through the helical mechanism, inclined in a direction different from the helical part (201) relative to the optical axis direction. Thereby, by means of a simple structure, it is capable of preventing the position of the optical component from departure caused by a clearance between the helical part and the helical support part, and the mobile performance of the optical component will not be reduced.

An outer glass contact section (40), which is parallel to and comes into close contact with the outer surface of a windscreen (14), and inner glass contact parts (50), which have lips that press the inner surface of the windscreen (14), are formed at the vehicle rear-side edge of a cowl body (20). The lips (60) each have a folded shape or a curved shape, have a folding point (P1) for the folded shape or a curving point (P2) for the curved shape as a boundary, and comprise a base-side first lip section (61) and a distal-side second lip section (62).

The invention provides a zoom lens, wherein the zoom lens realizes miniaturization of diameter of a front lens and shortens total length of the lens system in light axis direction apart from maintaining high optical performance. The zoom lens comprises four lens assemblies from a first lens assembly (G1) to a forth lens assembly (G4). The first lens assembly (G1) and the third lens assembly (G3) are fixed, and the second lens assembly (G2) is moved when zooms in or out, and the forth lens assembly (G4) is moved to correct image plane position of the zoom and focus. The first lens assembly (G1)comprises a negative lens and two positive lens. The second lens assembly (G2) comprises four lens with one negative lens having a aspheric surface. The following conditional expression (1), (2) aresatisfied: 6.0<f1/fw<8.0 (1), 0.10<H2f/fw<0.20 (2). Further more, f1 means focal distance of the first lens assembly, fw means focal distance of the entire system on a wide-angle end, H2f means distance from object side of a lens that nearest to the object side of the second lens assembly to an light axis of a principal point on an object side of the second lens assembly.

A method of manufacturing an optical fiber end, provided with a face transparent to light waves, for attaching a ferrule, is described, in which the face is formed by cutting through the optical fiber and mechanical machining and the optical fiber is freed of its outer cladding, which completely encloses the outside of the optical fiber, in the region of an end section, the cutting through of the optical fiber (1) and the mechanical machining of the face (14, 15) being performed as a self-contained work step, which simultaneously includes the cutting through of the optical fiber (1) and the fine machining of the face (14, 15) obtained in this way, and the removal of the outer cladding (21, 22) in the region of the end section (23, 24) only being completed subsequently to this work step.

In the present invention, a hydraulic circuit (53) comprises: a first pressure-boosting flow path (501) that connects a first main flow path and a first wheel cylinder (41); a first pressure-boostingvalve (502) that is disposed in the first pressure-boosting flow path (501) and that opens in a non-energized state; a first pressure-reducing flow path (503) that connects the first wheel cylinder (41) and a reservoir (24); a first pressure-reducing valve (504) that is disposed in the first pressure-reducing flow path (503) and that closes in a non-energized state; a second pressure-boosting flowpath (505); a second pressure-boosting valve (506); a second pressure-reducing flow path (507); and a second pressure-reducing valve (508). A control unit (6) comprises: a first drive circuit (61) that controls the first pressure-reducing valve (504); and a second drive circuit (62) that is separate from the first drive circuit (61) and that controls the second pressure-reducing valve (508).

The invention relates to a method for manufacturing a separator plate (12) for a fuel cell, wherein a curable and electrically conductive material (20) is applied to a substrate material (14). A flowfield (34) for a reactant which can be supplied to the fuel cell is formed in the material (20). After the flow field (34) is formed, the material (20) is cured. The invention also relates to a separator plate (12) for a fuel cell and an intermediate product for a separator plate (12).

A seat retainer (14) fitted with a ball seat (15) is provided on one or both sides of a ball (12) having a through hole (12a) provided inside a body (11), the ball (12) is provided so as to be rotatable by a stem (13), and the ball seat (15) is prevented from flying out into a fitting groove (32) formed in the seat retainer (14), and is fitted in a free state. Excess pressure due to abnormal pressure increases in a cavity (35) when fully open or fully closed causes the seat retainer (14) to move in an opposite direction from the ball (12) due to a self-sealing force making use of this pressure, and excess pressure that has flowed to the rear surface side of the ball seat (15) inside the fitting groove (32) pushes the ball seat (15) toward the ball (12), and is relieved to a flow channel via a communication part (40) provided between the inner circumferential surface (27) of the ball seat (15) and the fitting groove (32).

On the assumption that a mount having a triangular structure is used, even without particularly increasing the number of components, strength between the leading edge section of a placing frame and a bracket is improved, positioning of a solar cell module is facilitated, and furthermore, the bracket and fittings at the vicinity of the bracket are prevented from corroding. In an abutting section (73m) of a front bracket (73), a frame member (21) of a solar cell module (2) is positioned by being protruded to the side of the abutting section (73m) from a bottom plate (73a) of the front bracket (73). Thus, even when rain water enters between the solar cell module (2) and a placing frame (11), the rain water gradually flows on the bottom surface of the solar cell module (2), and the rain water drips as a water drop (W) from an end section of the solar cell module (2), the water drop (W) does not drop on the bottom plate (73a) of the front bracket (73) and a base rail (71).