116results about How to "Avoid excessive bending" patented technology

The invention relates to a sealed type photovoltaic junction box with rapid heat dissipation, which comprises a box body, a box cover and a metal terminal that is sealed inside the box body and the box cover and is provided with a diode. The box body and the box cover are sealed with silicone, a sealant filling region is arranged at the upper part of the box cover and is sealed through a sealant filling upper cover which is provided with a sealant filling hole at the middle part thereof, an adhesive groove is arranged on the periphery of the box cover, the box body adopts hollowed design, a vent hole is arranged in the middle of the box body, adhesive bulges matched with the adhesive groove are arranged on the periphery of the box body, an upper wire clamping semicircular slot and a lowerwire clamping semicircular slot that are matched with each other in the vertical direction are arranged on each side surface of the box body and the box cover, the metal terminal adopts large-area thin-sheet design, and cables are connected with the two ends of the metal terminal and are placed inside the wire clamping semicircular slots. The sealed type photovoltaic junction box provided by the invention adopts silicone sealing, thereby resulting in better sealing performance, improved waterproof and dustproof capacity, good heat dissipation performance, and the like.

The invention relates to a portable movement power assisting device and a control method thereof. The portable movement power assisting device comprises an energy source assembly, a control assembly and at least one executing assembly. The energy source assembly is connected with the control assembly and the executing assemblies. The control assembly is connected with the executing assemblies. Each executing assembly comprises a supporting structure, torque generators and sensor devices. Each supporting structure comprises a thigh connecting section, a shank connecting section and a thigh and shank connecting shaft, wherein the thigh connecting section and the shank connecting section are connected through the thigh and shank connecting shaft, the thigh connecting section is provided with a thigh binding band used for tightly fixing the thigh fixing connecting section to the thigh of a user, the shank connecting section is provided with a shank binding band used for tightly fixing the shank connecting section to the shank of the user, and the thigh sensing device is arranged on the thigh connecting section so as to sense the tension force of the thigh binding band. The thigh torque generators are arranged between the thigh connecting sections and the shank connecting sections. Because each thigh connecting section and each shank connecting section are provided with the thigh binding band and the shank binding band which are used for tightly fixing the thigh connecting section and the shank connecting section to the thigh and the shank of the user respectively, the structure of the device is greatly simplified, the weight and the cost of the device are greatly reduced, and the purposes of lightness and low cost are achieved.

The invention relates to a flexible screen bending jig. The jig comprises a main body with a first surface attached to a first region of a flexible screen; a bonding body fixedly disposed opposite tothe main body and provided with an external surface attached to a bending region of the bent flexible screen and an axis parallel to the first surface; a driving member disposed on one side of the bonding body and capable of rotating relative to the main body. The driving member is provided with a second surface for a second region of the flexible screen, and a gap for the bending region of the flexible screen to pass is arranged between the second surface and the external surface of the bonding body. The flexible screen bending jig avoids the phenomenon that the bending region of the flexiblescreen is excessively bent, and reduces the bending stress caused by the bending of the bending region, thereby effectively avoiding stress concentration in the bending process of the bending region.A flexible screen bending method is further provided.

The invention relates to a curved-surface display device which comprises a base, a driving mechanism arranged on the base, two connection arms connected with the driving mechanism, and a curved-surface display screen. The base is located between the two connection arms. The two opposite side edges of the curved-surface display screen are connected with the two connection arms respectively. The driving mechanism is used for driving at least one connection arm to move in the extending direction of the connection arm so as to adjust the curvature of the curved-surface display screen. The curved-surface display device is simple in structure and convenient and fast to use, the curvature of the curved-surface display screen can be adjusted through the connection arms, a user can adjust the curvature of the curved-surface display screen according to the watching distance, a good watching experience is obtained, and the applicability and adjustability of the curved-surface display screen are improved.

The invention discloses a terminal and an assembling method thereof. The terminal comprises a bendable shell and a flexible screen module fixedly at an upper surface of the bendable shell; zigzag limiting structures are arranged at two opposite sides of the bendable shell; when the bendable shell is bent, sawtooth blocks included by the zigzag limiting structures mutually close to contact with each other, thereby performing the limiting; in the bending process of the bendable shell, sawtooth block modules on two opposite sides of the bendable shell close to each other, when all adjacent sawtooth blocks are in contact, the continuous bending deformation of the bendable shell is prevented, the overbending of the flexible screen module fixedly arranged on the upper surface of the bendable shell is avoided, and the flexible bending of the flexible screen terminal is realized, the bending protection is performed on the terminal flexible screen, and the problem that the existing flexible screen terminal is easy to be excessively bent and damaged due to the absence of the bending protection is solved.

A roller supporter for long-distance heavy-load drag chain features that the one end of the said drag chain is fixed to the foundation in the center of the roller supporting system and after passing through several roller, the another end of the said drag chain is fixed to its connection frame. The robot, speed-reducing drive motor and the connection frame are fixed to the baseplate of a moving carriage. Its advantages are no overbending of drag chain, long service life of drag chain, low resistance of carriage, and simple structure.

The invention discloses an angle-adjustable socket. The angle-adjustable socket comprises a base module, a telescopic module, a socket module and a conducting module, wherein the base module comprisesa first cover plate and a second cover plate which are matched for assembly; a base cavity is arranged between the first base and the second base; a rotational gear is arranged at the center of the base cavity; a plurality of racks matched with the gear are arranged at the periphery of the base cavity; the socket module is arranged between the base module and an end plate and comprises a rotational outer base; a rotational inner base is arranged in the rotational outer base; a semispherical inner cavity is formed in the rotational inner base; a rotational ball seat is arranged in the semispherical inner cavity; a plugboard assembly is connected to the outer side of the ball seat by a connecting piece. The socket disclosed by the invention can adapt to plugs in different directions and excessive bending of plug wires is avoided; meanwhile, the socket disclosed by the invention can be provided with a plurality of socket modules according to the requirements and can be horizontally placed or vertically placed; in addition, the angle-adjustable socket is good in stability when being vertically placed and is not easy to tilt.

The invention relates to the filed of metallurgical machinery, in particular to a strip tail blending machine, which comprises a rack, a lower steel roller construction member, an upper steel roller construction member and a driving element thereof, wherein the rack is fixed on a ground base and is fixedly fixed and connected with the lower steel roller construction member, the driving element is arranged on the top of the rack, the driving element is connected with the upper steel roller construction member and drives the upper steel roller construction member to lift, and the upper steel roller construction member and the lower steel roller construction member coordinate and blend a strip steel and strip tail. In the invention, a hydraulic cylinder drives a squeezing head of a pressure lever to push a moving steel roller to blend the strip tail, thereby ensuring the rolling and baling of the strip tail smoothly, and avoiding the damage to the recoiling machine, the steel coiling car and the like; and the hydraulic cylinder is equipped with a linear displacement sensor which feeds back the practical value of rolling reduction, controls the action of the hydraulic cylinder and restricts the rolling reduction through a limit pressure pad, so that excessive blending is avoided, and the device is applicable to strip blending of strip materials of various thickness, has simple operation, high controlling accuracy, long service life and is easy to maintain.

The invention provides a scalding-prevention dish clamping device suitable for clamping in narrow gaps, and relates to the field of kitchen utensils. The problem that it is inconvenient to take bowlsout of a pot of which the caliber is slightly larger than the outer diameter of the bowls is solved. The scalding-prevention dish clamping device suitable for clamping in the narrow gaps comprises a mounting control block, three connecting folding rods are equidistantly and movably mounted at the portion, close to the bottom side, of the side wall of the mounting control block, the bottoms of theconnecting folding rods are movably connected with the tops of sheet-shaped pulling rods through rotary movable blocks, and the bottoms of the sheet-shaped pulling rods penetrate through turning sideplates and are welded to the tops of arc-shaped pulling claws. By means of the scalding-prevention dish clamping device suitable for clamping in the narrow gaps, square rods are clockwise rotated, sothat the sheet-shaped pulling rods are rotated to be nearly parallel to a pot wall, the arc-shaped pulling claws inserted into the gaps restores to the original shape under the elastic effect of torsion springs, and then the bowls can be clamped. The device is easy and convenient to operate, and the situation that the bending radian of the bottom of the bowl clamping device is too large and the clamping device cannot be inserted into the narrow gaps to clamp the bowls is avoided.

The invention discloses a superconducting composite winding formed by winding MgB2 wires and YBCO strips. The superconducting composite winding is composed of a YBCO superconducting coil, a YBCO superconducting coil framework, an MgB2 superconducting coil, an MgB2 superconducting coil framework, a coil upper supporting plate, a coil lower supporting plate and a coil interlayer copper plate. The YBCO superconducting coil is wound on the YBCO superconducting coil framework, the MgB2 superconducting coil is wound on the MgB2 superconducting coil framework, the MgB2 superconducting coil framework is installed outside the YBCO superconducting coil framework, and the coil upper supporting plate and the coil lower supporting plate are installed on the upper portion of the YBCO superconducting coil and the lower portion of the YBCO superconducting coil respectively. The price of MgB2 superconducting materials is much lower than that of the YBCO superconducting strips, the cost of the composite winding formed by winding the MgB2 wires and the YBCO strips is much lower than the cost of a single-YBCO winding, and the superconducting composite winding is suitable for being applied to superconducting magnets with the magnetic field intensity being 3-5T.

The invention discloses an automatic feeding and receiving LED support injection molding device. The automatic feeding and receiving LED support injection molding device comprises a feeding device, an injection molding machine and a receiving device; the feeding device comprises a feeding base plate which is provided with a plurality of supporting rods, a bearing table is fixedly connected to the supporting rods, a guide rail is fixedly connected to the bearing table, and a clamping base plate is movably connected to the guide rail; two clamping lateral plates are movably connected to the upper surface of the clamping base plate and can move in the width direction of the upper surface of the clamp base plate, and clamping grooves are formed in the opposite inner sides of the two claming lateral plates; the injection molding machine comprises an injection molding machine base plate; the receiving device comprises a receiving base plate, receiving lateral plates capable of moving in the width direction of the upper surface of the clamping base plate are movably connected two the two sides in the width direction of the upper surface of the receiving base plate, adjusting plates capable of moving in the height direction of the receiving lateral plates are movably connected to the opposite inner side of the two receiving lateral plates, and rolling shafts are movably connected to the adjusting plates. By means of the structure, the machining accuracy is improved, and the yield is improved.

The invention provides a tidy structure for vehicle. When an external memory device is accommodated in the tidy provided adjacent to the audio unit, cables for connecting the external device and the audio unit can be easily sorted out inside the tidy. The left, right lateral walls of the tidy (13) provided in proximity of the audio unit includes a first lateral wall (13a) extending forward from the left side of the tidy opening portion (13g) and a second lateral wall (13b) extending forward from the right side of the front side of the first lateral wall (13a). because the cable (23) for connecting the external memory devices (25) are introduced from the audio unit to the tidy (13) through the second lateral wall (13b), the cable (23) can be bent smoothly comparing with that the cable (23)is introduced from the lateral wall in parallel with the opening portion (13g) of the tidy to the tidy (13). Therefore, not only the cable (23) can be easily processed inside the tidy (13), but also the condition of excessive bending of the cable (23) is avoided.

The invention relates to a medical deflectable grinding head. The medical deflectable grinding head comprises a deflectable tube assembly, a grinding head assembly, a handle and a transmission assembly; the deflectable tube assembly adopts a stainless steel tube cutting deflection scheme, front-back displacement of an outer tube is converted from screw rotation of the handle, the outer tube and aninner tube are mutually pulled when the outer tube is locked, and rigid support of the grinding head is achieved; by means of proximal incisions formed in the inner tube and the outer tube, two-way deflection of the deflectable tube assembly can be achieved; the transmission assembly is connected with the grinding head so as to achieve rotation of the grinding head through external drive. According to the medical deflectable grinding head, rigid support to the head end is achieved, and a work end of the grinding head has the smaller external diameter, and can pass through a smaller minimallyinvasive channel; by means of an inverted-hook-shaped incision, the phenomena that the incision overbends, and the grinding head is broken are prevented, and the surgical operation accuracy and the surgical safety are improved conveniently; meanwhile, the structure of the handle is improved, and assembling and using of operators are facilitated.

The invention discloses a U-shaped bending machine for a building. The U-shaped bending machine comprises a rack body, a driving mechanism, a first bending mechanism, a second bending mechanism, a fixing piece, a limiting mechanism, a push cylinder controller, a junction box and a steel bar. According to the U-shaped bending machine, the driving mechanism is arranged, a rack drives the first bending mechanism and the second bending mechanism to act through a gear, the synchronism is high, the bent arc shape is uniform, and the U-shaped bending machine is suitable for bending steel bar pieces with high bending precision; the first bending mechanism and the second bending mechanism are arranged, the structure is simple, the bending effect is good, and the labor intensity is low; the fixing piece is arranged, a bending column is arranged to be in a girdling shape, the situation that the steel bar or a steel pipe slips off or collapses out during bending can be prevented, and the safety ofthe machine is guaranteed; and the limiting mechanism is arranged, the steel bars with different bending degrees are subjected to bending limiting length adjustment by adjusting limiting columns in acontaining groove, and the situation that bending is excessive or insufficient is avoided.

The invention relates to an optical system, a camera module and electronic equipment. The optical system sequentially comprises a first lens element with positive refractive power from an object side to an image side along an optical axis, a second lens element with negative refractive power, a third lens element, a fourth lens element, a fifth lens element with negative refractive power, a sixth lens element with positive refractive power and a seventh lens element with negative refractive power, wherein the second lens element with negative refractive power has a convex object-side surface and a concave image-side surface in a paraxial region, respectively. the third lens is further included; the fourth lens is further included; the fifth lens element with negative refractive power is further included; the sixth lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof, and at least one of the object-side surface and the image-side surface is provided with an inflection structure; for the seventh lens element with negative refractive power, the image-side surface is concave in a paraxial region thereof, and at least one of the object-side surface and the image-side surface is provided with an inflection structure; the optical system satisfies the following conditional expression, ImgH/FNO is greater than 3.00 mm; ImgH is half of the image height corresponding to the maximum field angle of the optical system, and FNO is the number of apertures of the optical system. The optical system of the above design has a large image plane and high imaging quality.

The invention discloses an anti-sliding hasp type server case structure. The anti-sliding hasp type server case structure comprises an upper cover and a case base, wherein upper cover side plates arearranged on two sides of the upper cover and are connected with side walls of the case base, base sliding nails and side brackets are arranged on inner side walls of the case base, the base sliding nails are arranged above the side brackets, bracket clamping holes with one opened ends are formed in the side brackets, and slide plate clamping holes with opened lower ends are formed in the upper cover side plates and are matched with the base sliding nails; and pressing holes are formed in the upper end surface of the upper cover and are through holes, hasp elastic pieces are arranged on the lower end surface of the upper cover, one ends of the hasp elastic pieces are connected with the upper cover, hasp sliding nails are arranged at the other ends of the hasp elastic pieces, the pressing holes directly face towards the hasp elastic pieces, and the hasp sliding nails are matched with the bracket clamping holes.

The invention discloses a seafloor flexible riser armor product. The seafloor flexible riser armor product comprises a flexible riser, multiple bend limiters, a guiding pipe, an upper bell-shaped nozzle, a lower bell-shaped nozzle, and a flange connector. The flexible riser sequentially passes through the guiding pipe, the upper bell-shaped nozzle, the multiple bend limiters and the lower bell-shaped nozzle, the guiding pipe is fixedly connected to the bottom of an oil extraction ship, the upper bell-shaped nozzle is fixedly connected to the tail end of the guiding pipe, and the multiple bendlimiters are sequentially arranged on the periphery wall of the flexible riser in a sleeving mode in the length direction of the flexible riser. The lower bell-shaped nozzle is fixedly connected to the flange connector, the flexible riser passes through the lower bell-shaped nozzle to be connected with the flange connector, and the flange connector is fixedly connected to a seafloor oil well, so that the flexible riser communicates with the seafloor oil well. The seafloor flexible riser armor product is reasonable in structure, the gradual stiffness is provided by the bend limiters, the bending moment transition between the flexible riser and the rigid fixed end of the flexible riser is provided, and the overbending generated by the flexible riser is avoided.

The invention relates to an anti-theft lock core and an unlocking method. According to the invention, an unlocking motor, a lock container and an induction coil are arranged in a lock core casing; a trigger cylinder is arranged near to the inlet of a lock hole and is positioned in the lock hole in the lock container; a trigger rod with a trigger rod spring is in contact with or separated from a contact point through the trigger cylinder under the action of outside pressure, and the contact point is connected with a circuit board; the unlocking motor is arranged on a motor bracket and is connected with the circuit board; the unlocking motor is provided with a rotary unlocking cam; a blind hole with a small upper part and a large lower part is formed the lower side surface of the lock container, and the peripheral wall of the blind hole is an oblique surface; an unlocking cylinder is arranged in the lock core casing, can be inserted into the blind hole, and is pushed out of the blind hole by the peripheral wall of the blind hole when the lock container is rotated; the unlocking cylinder is provided with an unlocking cylinder spring for resetting, and the unlocking cam can support or is separated from the bottom surface of the unlocking cylinder after rotating. The anti-theft lock core has the advantages that the unlocking authentication of mechanical mode and electronic mode can be simultaneously carried out, so that the legality of unlocking and the safety of lock core are greatly improved; when the electronic authentication fails, the pure-mechanical unlocking is realized.

Tyre (10) comprising a radial carcass reinforcement (2) anchored in beads, the tyre (10) comprising two sidewalls (1), each sidewall (1) extending between a bead (4) and a crown (3), the two sidewalls comprising a first additional reinforcement (6) positioned either between the carcass reinforcement and the internal cavity of the tyre or axially on the outside of the carcass reinforcement, and atleast one of the sidewalls comprising a second additional reinforcing reinforcement (5), this tyre being characterized in that the first additional reinforcement comprises a plurality of reinforcing elements of a textile nature directed at an angle of at least 80 degrees and at most 90 degrees with respect to the circumferential direction, and in that the second additional reinforcement (5) comprises, in the circumferential direction and alternating, a plurality of first parts (51) and of second parts (52), these second parts (52) having a mean width at least equal to 20 mm, these first and second parts having rupture strengths, that is to say rupture forces per unit width of reinforcement, which are such that the rupture strength of the second parts (52) is lower than the rupture strength of the first parts, and in that the first and second additional reinforcements are positioned on either side of the carcass reinforcement.

The invention discloses a device for protecting a J-shaped pipe out of an offshore wind power submarine cable. A centralized positioning protective device is arranged on the submarine cable at the tail of the J-shaped pipe, the submarine cable is tightly hugged by the centralized positioning protective device, and the centralized positioning protective device is clamped in the J-shaped pipe, so that the submarine cable is located at the central position of the J-shaped pipe; the tail of the positioning protective device is further connected with a bending protective device, the bending protective device adopts a joint occlusion structure, and a chain shape is formed by increasing the number of joints; a through hole is formed in the center of the bending protective device, and is used for penetrating through the submarine cable. According to the device, the protection of the submarine cable after coming out of the J-shaped pipe can be effectively solved, the submarine cable can be restricted to swing in the J-shaped pipe, overbending of the submarine cable in a suspension section is prevented, ocean current erosive wear as well as foreign object impact and anchoring damage are avoided, all of the installation is completed on a construction ship, the installation is simple, and in the construction aspect, later-stage maintenance is not needed after the installation is in place, so that the construction cost and later-stage maintenance cost are greatly reduced.

The invention discloses a production method of a rigid-flexible board. The method comprises the steps of manufacturing a flexible board, a first rigid board, a second rigid board and first prepregs separately, sequentially stacking the first rigid board, the flexible board and the second rigid board, arranging the first prepregs between the boards and carrying out laminating production through thefirst prepregs; carrying out outer line production on the laminated circuit board; and after outer line production is completed, windowing a middle segment of the first rigid board to form a windowing area, windowing the middle segment of the second rigid board to form a second windowing area and exposing a bending part of the flexible board, wherein the length of the first windowing area is smaller than that of the second windowing area, and the length of the bending part of the flexible board is equal to that of the second windowing area. According to the rigid-flexible board produced by using the production method of the rigid-flexible board, the phenomena of excessive bending and line rupture at the rigid-flexible position are avoided and the reliability of the rigid-flexible board isimproved.

The invention relates to a simulated force field cluster binding method for a complex node connection diagram. The binding method is suitable for being used between connection wires of various angles, distances and proportions based on the local simulated gravitational field between edge wires. The binding scale is optimized and adjusted. Compared with the edge binding of the traditional node-connection view, the efficiency of the binding method is improved.