56results about How to "Solve the problem of exposure" patented technology

The invention relates to a plastic case material for a breaker and a preparation method thereof. The material comprises the following components in parts by weight: 22-80 parts of nylon, 5-25 parts of glass fiber, 5-25 parts of needle-like filling material, 8-20 parts of fire retardant, 2-6 parts of auxiliary fire retardant and 0.1-2 parts of other auxiliaries. The preparation method comprises the following steps: evenly mixing the raw materials with a high-speed mixer at a high speed; and then bracing and pelleting the mixed materials with a screw extruder at the temperature of 220 DEG C-290DEG C to obtain the plastic case material. Compared with the prior art, the plastic case material has high breaking strength and elastic modulus, the strength of a compound material is barely influenced by a proper addition of the raw materials, and the obtained product has the advantages of no glass fiber rich surface, no buckling deformation, high strength and good heat resistance.

The invention discloses a glass fiber toughened and reinforced nylon 6 composite material, a preparation method and application thereof, wherein the glass fiber toughened and reinforced nylon 6 composite material comprises, in parts by weight, 50 parts to 75 parts of a PA6 resin, 20 parts to 40 parts of an alkali-free glass fiber, 1 part to 8 parts of a graft elastomer, 1 part to 3 parts of a grafted polyolefin, 0.1 to 1.2 parts of a glass fiber dispersant and 0.1 parts to 0.6 parts of an anti-oxidant. This composite material is prepared by a twin-screw extruder and also used for automobile cooling fans. The invention has the following advantages that this composite material has excellent mechanical properties, and excellent high, low temperature resistance performance. Besides, this invention ensures the uniform distribution of the material composition, particularly for glass fiber which is uniformly distributed in a matrix resin(PA6), which solves the problems of uneven distribution and exposure of the glass fiber. Therefore the fans made from this material have excellent dynamic balance performance, brightening surfaces and no glass fiber flow line and exposure.

The invention relates to the field of traffic signal lamp pole devices, in particular to a light-weight liftable sectional material signal lamp pole assembly. The assembly comprises a base for detachably fixing a lamp pole assembly to the ground, and a signal lamp unit mounted on the lamp pole assembly. The lamp pole assembly comprises at least two sections of sectional material lamp poles which are sleeved and / or embedded with each other. A second cap is installed at the joint of every two adjacent sectional material lamp poles. The signal lamp unit is installed on the sectional material lamppole at the topmost end, and a first cap used for blocking the end is installed at the free end of each sectional material lamp pole. A plurality of lamp strip grooves used for installing lamp stripsare formed in the side wall of any section of sectional material lamp pole. The lamp strip grooves are arranged in parallel in the length direction of the sectional material lamp pole, and the lamp strips and the signal lamp unit are electrically connected in parallel and synchronously displayed. According to the invention, the length can be adjusted according to actual needs, the weight is light, and the prompting effect is good.

The invention belongs to the field of materials, relates to a novel polypropylene material, and in particular relates to a modified nano zinc oxide-glass fiber-polypropylene composite material and a preparation method thereof, the modified nano zinc oxide-glass fiber-polypropylene composite material comprises A and B components, the A component comprises 45 to 75 parts by weight of polypropylene,0.15 to 0.2 part by weight of an antioxidant and 0.15 to 0.2 part of a lubricant; the B component includes 10 to 30 parts of glass fiber and 1-3 parts of modified nano-zinc oxide, and the modified nano zinc oxide is obtained by use of a silane coupling agent for chemical modification of the surface of nano zinc oxide. The nano zinc oxide is added to improve the mechanical properties of the composite material, the preparation process is simple and easy, the needs of the combination of the modified nano zinc oxide, the glass fiber and the polypropylene can be met without adding of a compatibilizer.

The invention discloses a mold array process method for coating the side edge of a substrate. More than four substrate units of a substrate strip are arrayed into a matrix. Cutting channels are respectively formed between adjacent substrate units and on the periphery of the matrix; and precutting slotted holes with the widths greater than those of the corresponding cutting channels are formed along the cutting channels. A sealing colloid is formed on the substrate strip through mold sealing to continuously cover the substrate units and the cutting channels; and the sealing colloid is enabled to be filled into the precutting slotted holes to cover the side edges of the substrate units. Through monomer separating, the substrate units form semiconductor packing structures, and the side edges of the cut substrate units are still covered by the sealing colloid. Therefore, the problem that the electroplated lines of the substrate units in the mold array process are exposed is solved, and the wet resistance of the semiconductor packing structures is further improved.

The invention relates to a nano intensified-nylon-6 composite, which is prepared by blending the following major materials according to different percentages, melting and extruding the materials under the temperature of 215 DEG C to 250 DEG C: 50 percent to 70 percent of nylon slices, 25 percent to 30 percent of glass fiber, 0.05 percent to 0.1 percent of antioxidant I, 0.05 percent to 0.1 percent of antioxidant II, 1 percent to 1.5 percent of lubricant, 0.5 percent to 1 percent of nano material and 0.25 percent to 1 percent of coupling agent; the invention needs no compatilizer and tackifier, which greatly reduces the cost, solves the problem that the glass fiber of the engineering plastics is exposed during the injection molding process, improves the appearance quality of the products and enhances the physical indexes of the products to a certain degree, thus changing the situation that some domestic manufacturers depend on the imported nylon. The composite of the invention can be used in automobile and electromechanical industry field, can be acted as thin walled complicated structural product due to the high rigidness, and is an environment protective product that can substitute the present halogenous fire retardants, which is energy conservative and environment protective and is an ideal product for the current engineering plastics modification industry.

The invention provides a discharge pipe. The discharge pipe comprises an outer pipe and a connecting pipe, wherein the connecting pipe is sleeved in the outer pipe and does reciprocating motion in the outer pipe; and the discharge pipe also comprises a first clamp sleeve fixedly connected to the tail end of the outer pipe and a first clamp collar fixedly connected to the head end of the connecting pipe, wherein the first clamp sleeve is matched with the first clamp collar when the head end of the connecting pipe moves to the tail end of the outer pipe. Correspondingly, the invention also provides a bulk powder goods tanker. By the technical scheme, the connecting pipe is sleeved in the outer pipe, space occupied by the whole discharge pipe is reduced, and attractive appearance is ensured; and moreover, a good sealing effect can be achieved under the action of magnetic force.

The invention provides a cooking bench and an embedded gas stove. The cooking bench comprises a shell, a panel, sealing cover assemblies and a lifting assembly, wherein the shell forms a containing space of which the upper end is provided with an opening; the panel is arranged at the opening in a covering mode, the panel is provided with at least one outlet, and the end surface, facing towards theopening, of the panel is provided with a slide rail; the sealing cover assemblies are consistent with the outlets in layout, and are detachably installed on the slide rail and used for sealing or opening the outlets; and the lifting assembly is arranged at the bottom of the shell, a cooking appliance is put on the lifting assembly, and through driving of the lifting assembly, the cooking appliance has the first state of ascending onto the surface of the panel and the second state of descending into the shell. According to the cooking bench and the embedded gas stove, the problem that a cooking appliance especially a gas stove affects the space aesthetic sense of a kitchen is solved.

The invention discloses a totally closed bionic upper arm prosthesis, which is composed of a lower arm drum (1), an electric wrist joint (2), an upper arm drum (3), a decorative strip (4), a baffle cover (5), an elbow joint (6) and an elbow connecting plate (7), wherein the upper arm drum (3) and the lower arm drum (1) are connected by virtue of the electric wrist joint (2); a flange structure (5-1) of the baffle cover (5) is matched with the edge of an arc-shaped notch (3-2) of the upper arm drum; the elbow connecting plate (7) is connected to the upper arm drum (3) by virtue of a bolt (8) and a nut (9); an output shaft of the elbow joint (6) is matched with a boss waist-shaped hole (7-2) in the elbow connecting plate (7); the decorative strip (4) covers the baffle cover (5) and the upper arm drum (3); and cylindrical covers (4-1) at two ends of the decorative strip (4) are matched with two ends of the output shaft of the elbow joint (6). The upper arm prosthesis disclosed by the invention can be used for solving the problem of exposure of electronic circuits, bolts, nuts and the like which is common in the upper arm prosthesis, and can be used for improving the appearance quality of the upper arm prosthesis; and the entire upper arm prosthesis is neat and uncluttered.

The invention relates to a connection structure for a wall plate and a main body structure. The connection structure for the wall plate and the main body structure comprises a connection element embedded into the wall plate and partially arranged into the main body structure in an insertion manner, a hole groove formed in the main body structure and communicating with the part arranged into the main body structure in an insertion manner, of the connection element, and a limit element arranged in the hole groove and matched with the connection element, wherein the limit element is connected with the connection element in a matching manner through the hole groove, so that the wall plate is fixedly connected with the main body structure. The connection structure for the wall plate and the main body structure effectively solves the problem of exposure of a connection joint of the wall plate and the main body structure; and a connection part is hidden into the wall plate and the main body structure, and cannot influence the indoor aesthetic property, and the connection joint does not need to be shielded, so that the indoor actual use area is not influenced.

The invention discloses a device for solving the problems that the turned edge of the high terry towel presses the terry and the scattered yarn is exposed outside. According to the device provided by the invention, two air-blowing ports for inletting the compressed air are formed in the turned edge trumpet shaped covering part, the terry is blew away from the seam area and the thread ends are blew into the turned edge by the empty pneumatic directional airflow blowing effect. The device has a simple structure, solves the problems that the turned edge of the high terry towel presses the terry and the scattered yarn is exposed outside, is simple, convenient and labor saving, and is good in effect.

The invention discloses a bridge deck drainage supporting facility. A drainage channel is formed in the outer side of a bridge deck pavement edge curb and provided with an open rectangular section, a footpath cover plate covers the upper portion of the drainage channel, the outside of the drainage channel is wrapped with a stainless steel plate, rainwater holes are formed in the curb, the drainage channel extends into linking roads at two ends of a bridge along the bridge, a spherical rubber expansion joint for water passage is formed in the position of the drainage channel passing an expansion seam, two ends of the rubber expansion joint are fastened on vertical seal head steel plates of the drainage channel through flange plates and bolts, openings are formed in the vertical seal head steel plates of the drainage channel and correspond to the expansion joint, the stainless steel plate externally wrapping the drainage channel is crimped at the openings of the seal head steel plates, the stainless steel plate, the rubber expansion joint and the flange plates are jointly anchored on a steel plate, a plurality of spheres are formed on the vertical surface of the rubber expansion joint, the displacement deformation requirement of beams on two sides of the expansion seam is met, and the cross section of the expansion joint is rectangular. The bridge deck drainage supporting facility can solve the problems that a drainage pipe of a traditional bridge deck drainage scheme is exposed, joints frequently leak and the like.

The invention relates to a wood structure assembly type connecting device. The device comprises a quick connecting component connected with each wood structure. Each quick connecting component comprises a shell, each shell comprises a female connector part and a male connector part, the portion, located in the shell of each male connector part is provided with a semicircular cavity, a semicircular limiting body is hinged to the interior of each cavity, an arc-shaped groove is formed in the edge of each cavity, and an abutting rod is connected to the outer circle face of each limiting body. A frame body is hinged to the inner side face of the lower portion of each shell, a baffle is slidably connected into each frame body, a rod piece is connected to each baffle, the free end of each rod piece penetrates through the corresponding frame body, the free end of each rod piece located outside the frame body is hinged to the free end of the corresponding abutting rod, and each rod piece located between the baffle and the inner bottom face of the frame body is sleeved with a compression spring. According to the device, wood structures are connected in an assembled mode through the two sets of quick connecting components, the problem that hardware is exposed in existing wood structure connection is effectively solved, and the device can be applied to industrial production and has high practicability.

The invention relates to a grid treadle bar and a manufacturing method thereof. The grid treadle bar is an accessory for doors, and belongs to the field of daily life. The grid treadle bar comprises the following raw materials in portions by weight: 60-65 portions of unsaturated polyester resin, 35-40 portions of saturated polyester type low shrink additive, 10-20 portions of reinforcing fiber, 30-60 portions of inorganic filler the length-to-diameter ratio of which is greater than 2, 100-140 portions of calcium carbonate or aluminum hydroxide with the grain size of 400-600 meshes, 1-4 portions of active magnesium oxide paste, 0.5-3 portions of organic peroxide, 0.01-1 portion of para-benzoquinone, 1-4 portions of zinc stearate, 0.5-4 portions of technical assistant and 1-5 portions of pigment. The invention has the advantages of reasonable formula design, stable product quality, low manufacturing cost, reasonable technical steps and quantifiable performance indexes.

The invention discloses a printing head modular design based on a 3D printer. A printing head comprises an upper protection cover and a lower protection cover, a moving block is installed between the upper protection cover and the lower protection cover, a wiring board and a fast-plug connector are installed at the upper end of the moving block, a material extruding module is installed at the left end of the moving block, a cooling fan is installed at the right end of the moving block, and an automatic leveling module is installed at the front end of the moving block. The printing head modular design based on the 3D printer has the advantages that the upper protection cover and the lower protection cover are installed, not only is the effect of protecting and shielding circuits achieved, but also the air cooling shunting effect is achieved; automatic leveling miniaturization is achieved, and the problem that a traditional printer head is lack of an automatic leveling device, or the leveling device is overweight is solved; by means of the material extruding module, the weight of the printing head of the 3D printer is significantly reduced, the printing quality and accuracy are improved, and the printing speed is increased; meanwhile, the cooling fan is installed on the moving block, and the effects of radiating heat, preventing heat from moving upwards and cooling a printed model are achieved.

The invention discloses an LED arc three-dimensional light guide table lamp, which comprises a light source system, a parallel rotating support system connected with the light source system and a lampstand arranged at the bottom of a rotating support, wherein the light source system comprises an aluminum alloy heat dissipation tray and a zenith sealing heat dissipation cover, the light source system comprises a light guide sheet and a circle of yellow-white two-color lamp strip arranged around the light guide sheet, a milky-white true light softening sheet is arranged on one side of the lightguide sheet, a reflective film is plated on the reverse side of the light softening sheet, a dodging film and a light softening sheet are arranged on the front side of the light guide sheet, and a light source of the lamp strip is injected into the light guide sheet, reflected by the light softening sheet, uniformly distributed by the dodging film and refined by the light softening sheet to forma conical light beam to be emitted. According to the invention, LED glare is eliminated, and a method for applying arc curvature and expanding a light source light field is created; the parallel support is simple in structure and prevents power lines from being exposed; a capacitive touch switch is designed, a moon-shaped finger groove capacitive touch switch is provided with eight lifting systempoint positions for adjusting brightness, the gear adjustment is finer and more user-friendly, and the operation is convenient.

The invention provides a railway vehicle integrated lamp. A return air opening is formed in the integrated lamp and enables a carriage passenger room to be communicated with an air conditioner return air duct. The return air opening is integrated in the lamp, so that the problems that a carriage return air opening additionally occupies space and return air in a carriage is insufficient are solved. The integrated lamp is arranged in the center of the top of the carriage, the sectional area of a passenger room lamp is increased, and the light-transmitting angle is increased. The surface shape of a lampshade and the shape of a top plate of the carriage are matched to form a unified passenger interface, and the attractive effect of the carriage is improved. Through the hasp structure of the lampshade and a lampshade frame, disengagement of the lampshade is avoided, and the problem that in the prior art, a lampshade fastener is exposed is solved.

The invention discloses a palm vein identification access control scheme with a novel lock cylinder. The palm vein identification access control scheme comprises a separation blade, a spring, attraction blocks, contact pins, an identification device, a microprocessor, a driving motor, a lock cylinder part and a contact pin disc, wherein the separation blade is located at the outer part of the lock cylinder part of a lock structure and is used for stopping the lock cylinder; the contact pin disc is arranged just below the separation blade; the spring, more than one attraction block and more than two contact pins are mounted at the upper part of the contact pin disc and the contact pin disc is used for controlling displacement of the separation blade; after a signal identified by the identification device is processed by the microprocessor, the signal is transmitted to the contact pin disc and the separation blade is adsorbed through more than one attraction block; after all the contact pins are in contact with the separation blade, the signal is transmitted to the microprocessor; the signal is transmitted to the driving motor through the microprocessor and the driving motor is used for controlling the lock cylinder part to do unlocking action; one of the separation blade and the attraction blocks is made of a permanent magnet and the other one is made of a ferromagnetic material or both of the separation blade and the attraction blocks are composed of the permanent magnets and are mutually attracted by polar directions. The palm vein identification access control scheme with the novel lock cylinder is high in safety, low in cost and wide in application range.

The invention discloses a mounting structure of an automobile rear skin assembly. The mounting structure comprises a rear skin assembly and an arched upper decorative plate assembly located on the rear skin assembly, a C-shaped groove is formed in the lower edge of the upper decorative plate assembly, and an upper flanging which is matched with the C-shaped groove in shape and can be inserted intothe C-shaped groove is arranged at the position, adjacent to the upper decorative plate assembly, of the rear skin assembly. The upper decorative plate assembly can cover the rear lower vehicle bodysheet metal part, so that the problem that in the prior art, the sheet metal part is exposed in the tail door opening state is solved, the upper flanging of the rear skin assembly can be inserted intoor pulled out of the C-shaped groove of the upper decorative plate assembly, so that the rear skin assembly is convenient to disassemble and assemble; the problem that the gap segment difference is difficult to control in the prior art is solved by controlling the formed gap through the C-shaped groove; the C-shaped groove effectively supports the rear skin upturned edge from the lower portion, and the problem that in the prior art, the rear skin upturned edge is prone to deformation is solved.

The invention discloses a pipeline mounting method. The method comprises the following steps: uniformly excavating a foundation trench in a segmented and layered manner, and leveling; laying pipeline concave flexible bases at the bottom of the foundation trench at equal intervals; determining the drilling position and drilling a pull anchor rod body; and performing section-by-section quality inspection on to-be-used pipe sections according to product standards, hoisting the pipe sections by adopting a crane, and placing the pipeline perpendicular to the groove edge and stably cushioning the pipeline. A flexible clamping belt is used for fixing, fluidized soil is used for backfilling, the structure is reasonable, manual installation is convenient, the reinforcing effect is durable, environment protection is facilitated after soluble plastic is degraded, the strength of the hardened fluidized soil is fully utilized, the problem that a pipeline anchoring device is exposed or buried in soil to be damaged is well solved by backfilling the foundation trench with the fluidized soil, the solidified and hardened fluidized soil has extremely high strength, and the pipeline mounting effect is extremely good.

The invention discloses a bridge floor drainage system which comprises a bridge floor water collecting well for lateral drainage, a transverse drainage pipe, a longitudinal drainage pipe and a water drainage pipe. The bridge floor water collecting well comprises a well base and a well lid. The well lid is provided with a water inlet; a water outlet is formed in the side surface of the well base; the bridge floor water collecting well is positioned above a main beam box chamber and is communicated with the transverse drainage pipe; the transverse drainage pipe is communicated with the longitudinal drainage pipe; the water drainage pipe penetrates through the main beam cantilever arm, the upper end of the water drainage pipe is communicated with the longitudinal water drainage pipe, and thelower end of the water drainage pipe is located below a bridge floor. According to the bridge floor drainage system provided by the invention, by arranging the water collecting well for lateral drainage and the corresponding drainage pipe, the bridge floor drainage and drainage mode is improved, and the damage to the box chamber structure of a bridge girder due to the fact that the drainage pipe is vertically arranged on the bridge with the sidewalk is avoided.

The invention discloses an externally filled and prefabricated wood-plastic plate, which comprises a wood-plastic plate, an interface adhesive, a priming coat, a top coat or a true stone coating and a face protective paint, wherein the surface on one side or the surfaces on both sides of the wood-plastic plate are grinded to a rough surface / rough surfaces, the interface adhesive is coated on the surface of the wood-plastic plate grinded to the rough surface, the priming coat is coated on the interface adhesive, the top coat or the true stone coating is arranged on the priming coat, and the face protective paint is coated on the top coat or the true stone coating.