30 results about "Circular segment" patented technology

A holder with a variable receiving opening for beverage containers with different outer diameters for a vehicle is described, wherein the holder (1) has one or more holding devices (4, 4a, 4b) which have several, in particular lamellar, predominantly non-flexible holding elements (14) or crescent-shaped predominantly non-flexible holding elements (24) or circular segment-shaped predominantly non-flexible holding elements (34), and a radial movement of the several holding elements (14, 24, 34) with respect to the central axis (X) of the receiving opening (3) is effected by a mechanical or electromechanical action, in particular by actuator devices (7, 7a, 7b, 17a, 17b), on the several holding devices (4, 4a, 4b) and / or on one or more bearing devices (8, 8a, 8b), and if necessary,Simultaneously, a sliding movement and / or a pivoting movement and / or a rotational movement of the several holding elements (14, 24, 34) around a central axis (X) of the receiving opening (3) is effected to enlarge or reduce the receiving opening (3).

Three-dimensionally (3D) printed, wearable, electronic sensing articles and methods of manufacture are disclosed. In one example embodiment, the present disclosure provides A wearable article that includes a three-dimensionally printed base, wherein the base of the article comprises a three-dimensionally printed mesh which is formed of an elastomeric polymer composition. The wearable article also includes a microfluidic channel coupled to the mesh, the microfluidic channel having an inlet and an outlet disposed at opposite ends of the channel, wherein the microfluidic channel is curved in a form of a serpentine shape; and wherein the serpentine shape is provided by a plurality of 180-degree semi-circular segments.

The application discloses a kind of modular narrow terminal assembly, top cover assembly and assembly method, it is related to electric core terminal assembly technical field, the narrow terminal assembly is runway shape, including coaxial by inside to outside setting pole, injection molding insulating part, assembly ring;Assembly ring is successively divided from bottom to top into bottom, middle and top, middle is multiple ladder bending structure and is equipped with the plane of set width at bending portion, and top inner side edge is equipped with multiple vertical direction's through type notch, in the linear section of runway shape, waist round notch is used, circular segment adopts circular notch;Injection molding insulating part is formed by injection molding between pole and assembly ring, and injection molding insulating part is passed over assembly ring top and is collected glue in the plane outside in assembly ring middle, while filling the multiple notch of top;Pole is integrally stamped, and pole body is runway shape and the linear section of runway shape constitutes torsion resistance section.The application can realize the narrow terminal assembly assembly of more optimal overcurrent capacity and structural reliability, simpler process.

Holder, insert or retrofit kit (1) for beverage containers (2) with different outer diameters for a vehicle (19), with a receiving opening (3) for receiving beverage containers (2) and a device for variable - stepwise or stepless adjustment - Adjustment of the receiving opening (3) depending on the outer diameter of a beverage container (2) to be inserted, comprising a holder, insert or retrofit kit (1): - one or more holding devices (4, 4a, 4b) with several - in particular lamellar or crescent-shaped or circular segment-shaped - predominantly non-flexible holding elements (14, 24, 34), and - one or more actuator devices (7, 7a, 7b, 17a, 17b) in operative connection with one or more holding devices (4, 4a, 4b) and / or with one or more bearing devices (8, 8a, 8b) - wherein the one or more holding devices (4, 4a, 4b) and the one or more actuator devices (7, 7a, 7b, 17a, 17b) and / or the one or more bearing devices (8, 8a, 8b) are designed such that a mechanical and / or hydraulic and / or pneumatic and / or electromechanical action on the one or more actuator devices (7, 7a, 7b, 17a, 17b) and / or on the one or more holding devices (4, 4a, 4b) and / or on the one or more bearing devices (8, 8a, 8b) causes a radial movement of the several predominantly non-flexible holding elements (14, 24, 34) with respect to the central axis (X) of the receiving opening (3) to enlarge or reduce the receiving opening (3), particularly The holder, insert, or retrofit kit (1) is designed and / or controllable in such a way that, depending on detected current or imminent acceleration or deceleration forces and / or centrifugal forces acting on the vehicle (19) and / or on the holder, insert, or retrofit kit (1), the receiving opening (3) is automatically reduced in size to lock a beverage container (2) in the receiving opening (3), and / or wherein in particular the one or more holding devices (4, 4a, 4b) and the one or more actuator devices (7, 7a, 7b, 17a, 17b) and the one or more bearing devices (8, 8a, 8b) of the holder, insert or retrofit kit (1) are designed such that when a beverage container (2) is inserted into the receiving opening (3) the receiving opening (3) is automatically reduced in size by means of the one or more holding devices (4, 4a, 4b).

Dispenser (1) for dispensing flowable, for example liquid or pasty masses (2), comprising a reservoir (6) for receiving the mass (2), a dispenser pump (3) preferably of a modular design, the dispenser pump (3) having an inlet and an outlet channel (26) and a pump chamber (4) delimited on the inlet and outlet sides by valves (15, 16), and a headpiece (5), the headpiece (5) having a dispensing nozzle (42), a return device (7) formed by a spring being provided between the headpiece (5) and the reservoir (6), the return device (7) being formed by a plastic spring (8), with a lower spring ring (9) and an upper spring ring (10) being arranged substantially coaxially to each other, a plane (E) spanned by the spring rings (9, 10) extending substantially perpendicular to a longitudinal axis (y) of the plastic spring (8),wherein several intermediate rings (39, 39') extending substantially transversely to the longitudinal axis (y) of the plastic spring (8) are formed over the height (h) of the plastic spring (8), wherein the spring rings (9, 10) and the intermediate rings (39, 39') are further connected to each other by spring struts (11) extending between the intermediate rings (39, 39') and between the spring rings (9, 10) and the intermediate rings (39, 39'), characterized in that two successive intermediate rings (39, 39') in the direction (r) of the longitudinal axis (y) are curved in opposite directions, wherein the spring struts (11) have opposing, circular segment-shaped side contours.

The invention describes an operating device for doors and windows, comprising: a box-like body; a wheel having a first circular segment with a smooth surface and a second circular segment with teeth; a rod slidingly inserted into the box-like body and having a relative end outside the box-like body configured to be connected, in use, to a mobile closing / opening device of a door leaf on a door leaf, the rod having a surface equipped with an operating rack engaging with the second circular segment of the wheel, allowing the sliding of the rod by rotating the wheel, which can obtain, in sequence, a first position and a second open position starting from the closed position of the door leaf; a slider selecting and locking the wheel, which can be stably inserted inside the box-like body through a first through seat made on the box-like body, the slider being positioned radially with respect to the wheel and positioned so as to hinder the rotation of the wheel by abutting against a first tooth of an end portion of the second circular segment and thus limiting the rotation of the wheel only between the closed position and a single open position of the door leaf and vice versa.

The invention relates to a print head (10) for a 3D printer (1), comprising a feed zone (11) with a feeder (12) for a starting material (21) with variable viscosity, a plasticizing zone (14) with a heater (15) and an outlet opening (16) for the liquid phase (22) of the starting material (21), and a conveying device (30) for conveying the starting material (21) from the feed zone (11) to the plasticizing zone (14), wherein the conveying device (30) comprises a piston (31) that can be inserted into the feed zone (11), wherein the piston (31) has a first piston section (5) facing the plasticizing zone (14) with a guide surface (9) through which the piston (31) is guided in a recess (7) of the print head (10), wherein the piston (31) is connected by a positive locking connection of the first piston section (5) is secured against radial rotation by the recess (7) of the printhead (10). It is characterized by the fact that the first piston section (5) and the recess (7) of the print head (10) form a cross-sectional area (F), wherein a maximum diameter (d1) of the cross-sectional area (F) is formed by a circle (2) and the cross-sectional area (F) has rotationally symmetric circular segment-shaped recesses (3).

The utility model discloses a wear-resistant casting blank convenient to stack and store, which relates to the technical field of casting blanks, and comprises a first casting blank, a second casting blank, a third casting blank and a fourth casting blank, the second casting blank is located at the bottom of the first casting blank and movably connected with the first casting blank; and the third casting blank is located at the bottom of the second casting blank and movably connected with the second casting blank. According to the utility model, as the tangent planes of the arc-shaped grooves and the arc-shaped convex blocks are of the arc-shaped structures, the outer diameters of the arc-shaped convex blocks are smaller than the inner diameters of the arc-shaped grooves, and the outer heights of the arc-shaped convex blocks are larger than the inner heights of the arc-shaped grooves, a gap can be formed between two adjacent groups of casting blanks by utilizing the height difference; the contact face between every two adjacent casting blanks is an annular line segment, the contact area between the multiple sets of casting blanks is reserved, certain thrust is applied along the smooth arc face, and then the casting blanks can be moved out from the casting blanks stacked and stored below, so that the casting blanks are more convenient to take.

The utility model relates to the technical field of single-pile tools, in particular to a single-pile large-diameter roll-on and roll-off tool which comprises a base, two triangular brackets and two wedge block structures. The two triangular brackets are symmetrically arranged at the top of the base, and the wedge block structures are detachably arranged at the tops of the triangular brackets; the wedge block structure comprises a wedge block bottom plate, a top plate arranged above the wedge block bottom plate and a first connecting plate fixedly connected with the wedge block bottom plate and the top plate, the two sides of the first connecting plate are each provided with a plurality of first reinforcing ribs, and the upper ends and the lower ends of the first reinforcing ribs are fixedly connected with the wedge block bottom plate and the top plate respectively; the top plate comprises a first arc section, a second arc section and a third arc section which are connected in sequence, the second arc section is an arc which is concave inwards, the first arc section and the third arc section are arcs which are convex outwards, and the curvature of the first arc section and the curvature of the third arc section are both larger than the curvature of the second arc section. The large-diameter single pile fixing and transferring device can adapt to fixing and transferring of large-diameter single piles with different diameters.

The application discloses a kind of complex curved surface structural member electric arc fuse additive manufacturing methods based on equal arc length slice, for maximum inclination angle exceeding 45 °, and the outer wall profile can be enclosed by circular segment ring structure piece, the application proposes equal arc length slice forming strategy, is based on the three-dimensional model of part, in the center line section, extract the outer wall profile envelope curve formed by circular segment fitting, along the outer wall envelope curve, the arc length is equal to the segmentation cutting, at each cutting point, construct a radius line through the segmentation point and the center, make the radius line rotate around the center line of part model, form rotation surface, generate additive manufacturing track with this surface as segmentation surface to the part model layering slice, obtain structural member by electric arc fuse additive manufacturing.The method effectively improves the forming stability and material utilization of this kind of complex parts, and significantly shortens production cycle and reduces cost.

A plastic spring (8) with a lower spring ring (9) and an upper spring ring (10) arranged substantially coaxially to each other, wherein a plane (E) spanned by the spring rings (9, 10) extends substantially perpendicular to a longitudinal axis (y) of the plastic spring (8), and wherein several intermediate rings (39, 39') extending substantially transversely to the longitudinal axis (y) of the plastic spring (8) are formed over the height (h) of the plastic spring (8), and wherein the spring rings (9, 10) and the intermediate rings (39, 39') are further connected to each other by spring legs (11) extending between the intermediate rings (39, 39') and between the spring rings (9, 10) and the intermediate rings (39, 39'), characterized in that two successive intermediate rings (39, 39') in the direction (r) of the longitudinal axis (y) are curved in opposite directions, wherein the spring legs (11) have opposing, circular segment-shaped side contours.

Described is a method for optimizing a synchronous reluctance motor assisted by magnets (1), comprising the arrangement of a stator (2) provided with a number (t) of slots (3), the arrangement of a rotor (4) having an outer cylindrical surface (S.sub.e) of radius (r.sub.e), an inner cylindrical surface (S.sub.I) of radius (r.sub.I), a rotation axis (A) and a number (p) of pole pairs, realisation in the rotor (4) of a number (n) of slots (7) defining flow barriers (Bn) with axial extension for each pole of the motor (1), designed to house magnets (6) and definition of each barrier (B.sub.n) with peripheral profile in the form of a circular segment with convexity facing towards the axis (A) and with concentric radii of curvature (r.sub.nA, r.sub.nB) with common centre (C) arranged along a radial axis (X). The number (n) of barriers (B.sub.n) is greater than or equal to 3.

A gasket retainer that is absent sharp corners, has apertures of reasonable dimensional tolerance, and may be conveniently made by a variety of manufacturing processes. The retainer is made from thin flat springy material that readily returns to form after slight bending. Representative gasket capturing apertures are of smoothly non-convex outline with major dimension sufficiently large to allow passage of a ring shaped gasket turned on edge and minor dimension sufficiently small to engage, on approximately opposite circular segments that each engage along less than one third of a gasket circumference, a cavity or groove on the outside diameter periphery of the gasket turned flat parallel to the retainer material sheet. Fasteners may be retained by similar apertures.

The utility model discloses a prevent DFN or QFN lead frame structure after cutting has metal residue, including frame substrate, and be located on the frame substrate on a plurality of matrix arrangement's lead frame unit, be equipped with first connecting muscle between two rows of lead frame unit of adjacent, be equipped with second connecting muscle between two columns of lead frame unit of adjacent, the intersection of first connecting muscle and second connecting muscle is connected and forms cross -shaped structure, the both sides lateral wall of one end of first connecting muscle close to cross -shaped structure all recessed has first gap, first gap has first inner lateral wall, the both sides lateral wall of one end of second connecting muscle close to cross -shaped structure all recessed has second gap, second gap has second inner lateral wall, first gap and adjacent second gap form the slot of communicating, form the circular segment between first inner lateral wall and adjacent second inner lateral wall, the utility model discloses when cutting, can cut off the metal material of circular segment completely, avoid metal and remain on product.

The utility model discloses a painting device for automobile modification. The painting device comprises a conveying structure, a clamp structure and a steering structure, wherein the conveying structure is arranged on the upper surface of a bottom plate and is used for conveying an automobile modified part; the clamp structure is used for clamping the automobile modified part; the sliding block is pulled by the connecting rod to continue to slide in the special-shaped groove, in the process that the sliding block slides from the arc section to the linear section, the rotating shaft continues to drive the whole clamp structure to rotate till the sliding block slides to the limit end of the other side of the special-shaped groove, and 180-degree overturning of the clamp structure is achieved. And in the sliding and overturning process of the clamp structure, the painting structure is located on one side of the clamp structure all the time to conduct spraying treatment on the automobile modified part, it is guaranteed that the painting structure is located on one side of the clamp structure all the time to conduct uniform spraying, and the uniformity and efficiency of painting on the two sides of the automobile modified part are greatly improved.

Driving point (1) for a substantially tubular, in particular hollow cylindrical, driven pile (2) with a pile core (3) through which concrete can be injected into the driven pile (2), wherein the driving point (1) can be attached to a pile end (4) of the driven pile (2), wherein at least one first support web (6) with a first bearing surface (7) for an end face (8) of the pile end (4) is arranged on an inner wall (5) of the driving point (1), wherein the driving point (1) has a cavity (9) extending at least partially in the driving direction (E) from the plane of the first bearing surface (7), into which concrete can be injected through the pile core (3) when the driven pile (2) is attached, wherein at least one concrete outlet channel (10) is provided which connects the cavity (9) with an upper edge (11) of the driving point (1), characterized in thatthat at least one first support web (6) is designed in cross-section in relation to the driving direction (E) as a circular segment or circular ring segment, and that a circular arc (12) of the circular segment or circular ring segment extends over 40° to 120°.

The present invention discloses a structure and manufacturing and installation method for an arc-shaped cable strand embedded pipe of a suspension bridge anchoring system; the corresponding anchoring system comprises a straight segment L1, a circular segment L2 and a straight segment L3; a portion of the embedded pipe at the front end of the straight segment L1, the circular segment L2 and the straight segment L3 is designed as a branching pipe composed of multiple small steel pipes, while the embedded pipe at the rear end of the straight segment L3 is a single straight steel pipe. A rectangular branching plate is inserted 10 cm from the rear end of the branching pipe, and the 10 cm pipe body is inserted into the straight embedded pipe, and a circular branching plate and a 20 cm long circular connecting pipe are inserted 10 cm from the front end, with the branching pipe being perpendicular to the branching plate and the connecting pipe being parallel to the axis of the branching pipe. After installation is completed, the lower end branching plate is welded to the straight embedded pipe opening. The present invention has the following advantages: it avoids the problem of uneven force caused by multiple cable strands contacting, squeezing and entangled with each other in the circular segment embedded pipe; it solves the installation problem of circular cross-section and arc-shaped embedded pipes; and it is easy to operate.

The invention relates to a cutting insert (1) for a turning tool, the cutting insert comprising a first surface (2) and a second surface (3), wherein the first and second surfaces are arranged opposite each other and facing opposite directions. The cutting insert further comprises a peripheral surface (4) connecting the first surface (2) and the second surface (3). A central axis (C) of the cutting insert extends from the first surface to the second surface. An edge formed by an intersection between the first surface and the peripheral surface, when seen in a plan view of the first surface, includes a plurality of circular segments (5), each having a radius of curvature (r), and a corresponding number of intermediary segments (6) interposed between the circular segments (5). Each circular segment (5) has a first length of extension (L1) and each intermediary segment (6) has a second length of extension (L2), wherein the first length of extension (L1) is greater than the second length extension (L2). The radius of curvature (r) of the circular segments is smaller than a maximum radial distance (Rmax) from the central axis (C) to the edge.

This invention relates to the technical field of rotary drilling in hard rock, and discloses a method for detecting obstacles in staged enlargement drilling of hard rock, comprising the following construction steps: 1) forming a pile hole with a casing inside; 2) dividing the casing into multiple circular segments evenly and numbering them; 3) using a cutting tooth cutting drill bit against the inner wall of the casing to sequentially probe the multiple circular segments; during the probing process, the cutting tooth cutting drill bit is lowered to the bottom of the pile hole and rotated sequentially along the multiple circular segments without advancing a diameter to determine the planar position of the obstacle; after determining the planar position of the obstacle, the cutting tooth cutting drill bit is lowered from top to bottom from the pile hole until it abuts against the obstacle from top to bottom to determine the vertical position of the obstacle; based on the planar and vertical positions of the obstacle, the spatial position of the obstacle is determined. The method is convenient to operate and has high detection efficiency.

Transfer star (10) for transferring pharmaceutical products, comprising: a central area (11) with a plurality of contact sections (12), each contact section (12) being configured to come into contact with a pharmaceutical product in order to transfer it along a rotational direction, the central area (11) having at least one circular segment (13), the at least one circular segment (13) being displaceable in a radial direction (R) with respect to the rotational direction, such that the at least one circular segment (13) is displaceable between a first position and a second position.

The utility model relates to the technical field of electric motorcycle motor manufacturing, in particular to an electric motorcycle motor rotor punching sheet, which comprises a punching sheet body, and the contour line of the punching sheet body between any two adjacent second symmetric lines comprises a first arc section, a second arc section and a third arc section which correspond to magnetic steel grooves. Wherein the first arc section intersects with the first symmetric line and is symmetric about the first symmetric line, and the first arc section is different from the second arc section. According to the motor rotor punching sheet of the electric motorcycle adopting the technical scheme, due to unequal arcs of the outer circle, the magnetic steel is uniformly distributed in a V shape, and an air gap between the rotor sheet and a stator is adjusted through the unequal arcs; and an air gap flux density mean value and a pole-arc coefficient in a space are corrected, so that a relatively high air gap flux density amplitude can be ensured while a potential waveform is corrected.

A delivery pen includes: a reservoir including a non-circular shape; a plunger, the plunger being positioned in the reservoir; and a screw mechanism, the screw mechanism being at least partially inserted within the reservoir. The screw mechanism comprises: a drive shaft comprising one or more protruding members at a proximal end and an elongate member extending longitudinally from the proximal end; an inner screw, the inner screw being concentrically engaged with the elongate member; an outer housing comprising a circular section and a non-circular section, the circular section being rotatably engaged with the one or more protruding members, the non-circular section being dimensioned to fit within the reservoir; and a pusher disposed between the inner screw and the outer housing to linearly translate the plunger to dispense medication from the reservoir.

The application discloses a kind of underground continuous wall arc segment reinforcement cage erection platform structure, it is related to the technical field of building construction, including two groups of fixed frame and several groups of support frame, all support frame is arranged along the length direction of fixed frame, the two ends of each support frame are respectively connected with two groups of fixed frame, first support piece is arranged between two fixed frames, the two sides of first support piece are inclinedly provided with second support piece, first support piece and second support piece are arranged along the length direction of fixed frame and are connected with support frame, the side of second support piece away from first support piece is higher than the side of second support piece close to first support piece.The application is because all second support piece is inclinedly arranged, so that second support piece satisfies the arc surface of arc reinforcement, increase the contact area of second support piece and arc reinforcement, so as to improve the supporting effect of second support piece to arc reinforcement, that is, improve the precision of erecting arc segment reinforcement cage.

The invention relates to a transfer star wheel (10) for transferring pharmaceutical products, comprising: a central region (11) having a plurality of contact sections, wherein each contact section (12) is designed to come into contact with a pharmaceutical product in order to transfer the pharmaceutical product along a circumferential direction, wherein the central region (11) has at least one circular segment (13), and the at least one circular segment (13) can be displaced in a radial direction (R) with respect to the circumferential direction such that the at least one circular segment (13) can be moved between a first position and a second position.

Waveguide arrangement (2), in particular for a motor vehicle radar, - with an air-filled waveguide (4) which defines an interior space (12) with a first geometry for the propagation of a radar wave of a first fundamental mode, wherein the interior space (12) has a cross-section, - with a dielectric waveguide (6) having a second geometry designed for the propagation of the radar wave of a second fundamental mode, and - with an adapter element (8) coupled in between, wherein the adapter element (8) selectively converts the first basic mode step by step into the second basic mode, the adapter element (8) does not completely fill the cross-section of the interior (12), the adapter element (8) has a conical end region (20) on the side facing the waveguide (4), characterized in that the adapter element (8) has a cylindrical sub-region (28) which adjoins the conical end region (20), wherein a circular segment-shaped cavity (30) is formed in cross-section between an inner wall (10) of the interior space (12) and the adapter element (8).