137results about How to "Does not affect assembly" patented technology

The invention provides a trimming die structure for a mobile phone casing. The structure comprises an upper die part and a lower die part, and is characterized in that: the upper die part comprises an upper splint, a slanted wedge and a stripper plate; and the lower die part comprises a product positioning die core, a male die cutter, a male die return spring, a male die return stop screw, a maledie cutter slide block, a female die cutter, a female die cutter slide block, a female die cutter slide block return spring and a lower die holder. By the trimming die structure for the mobile phone casing, the mobile phone casing is punched from inside to outside by a punching head, so that burrs are generated on the outer surface of the mobile phone casing, assembly of electronic parts of a mobile phone is not influenced, and the use effect of the mobile phone is ensured.

The invention discloses a system and a method for indirectly measuring stress distribution of assembly combined surfaces. The system comprises pressure sensing paper, strain gages, a pressure sensor, a display device, a scanner and a computer. The method includes firstly constructing the correspondence between the stress of the adjacent sides and the stress distribution of the combined surfaces, placing the pressure sensing paper between the combined surfaces of a part I and a part II for some time and taking the paper out, scanning the color distribution condition of the pressure sensing paper to be images inputted into the computer by the scanner, drawing a stress contour map of the combined surfaces by the computer, and affixing the strain gages on the extending lines of the stress contour on the adjacent sides; determining the stress distribution of the combined surface by measuring the stress of the stress gages. The method provided is a novel method for measuring the stress distribution of the assembly combined surfaces, and the method for measuring is low in cost in measurement of the stress distribution and is simple.

The invention relates to an oil sprayer compress tightly screw cap. The oil sprayer compress tightly screw cap comprises an installing section and a screw thread section, the installing section is used for installing an oil sprayer couple part, a spring and a backing block, and the screw thread section is used for connecting the compress tightly screw cap and an oil sprayer body. The oil sprayer compress tightly screw cap is characterized in that a lengthening section is arranged, and the lengthening section is located above the screw thread section. The compress tightly screw cap is matched with a pressing plate or a compress tightly sleeve, so that an oil sprayer can be fixed on a cylinder cover, the interference of oil sprayer fixing structure with a valve spring and an air inlet and outlet rocker arm is eliminated, simultaneously the fuel gas in a cylinder can be effectively sealed, and assembly and disassembly are convenient.

The present invention discloses a process for electrophoretic painting of a fastener, which comprises the following; firstly, a step of phosphatization of zinc series, in which the phosphatization is carried out in a phosphatization tank at a temperature of between 30 and 40 DEG C for 3 to 5 minutes, and the sample piece is subjected to ceaseless shaking, washing, drying for 20 minutes at a temperature between 80 and 100 DEG C; secondly, a step of cathodic electrophoresis, in which the cathodic electrophoresis is carried out in an electrophoresis tank, the tank liquid temperature is between 28 and 32 DEG C, the electrophoresis time is between 2 and 3 minutes and the painting voltage is between 140 and 180 volt, and water washing is adopted; thirdly, a step of drying, in which the surface is dried for 40 minutes at a temperature of between 170 and 180 DEG C. The process solves the problem of processing main Cr6+ pollution in the most universal fastener surface treatment (zinc plating+passivation process, Dacro coating process, darkening process, and the like). The cathodic electrophoretic painting process adopted by the fastener is a novel technology, which improves the corrosion resistance of the fastener and has capacity of protecting environment as well. The composite cost of the process is lower than that of the barrel plating.

The invention provides a metal housing structure of a battery and an insulating treatment method for the metal housing structure. The insulating treatment method comprises the following steps: coating the edges and the welded parts of a metal housing of the battery with an ultraviolet (UV) adhesive or UV paint, and carrying out solidification treatment through a UV machine; and coating various surfaces of the metal housing of the battery with the UV adhesive or the UV paint, and carrying out solidification treatment through the UV machine. According to the metal housing structure of the battery and the insulating treatment method for the metal housing structure provided by the invention, the production efficiency of the battery can be greatly improved; and good insulating property of the metal housing of the battery can be ensured.

The invention provides a chassis and an air conditioner. The air conditioner comprises a rear casing assembly with an opening in the front end, a connecting part capable of being tightly connected with the bottom of the rear casing assembly is arranged at the rear part of the chassis, and reinforcing parts capable of being tightly connected with the front opening end of the rear casing assembly are arranged at the front part of the chassis. According to the chassis provided by the invention, the reinforcing parts are additionally arranged at the front part of the chassis, so that the integral strength of the chassis is enhanced; besides, the reinforcing parts can be tightly connected with the front opening end of the rear casing assembly, the connecting strength and the stability of the chassis and the rear casing assembly of the air conditioner are improved, and the stability of a machine body is enhanced accordingly; meanwhile, the reinforcing parts are arranged at the front parts of the chassis, thus, the rear casing assembly and the front part of the chassis are also tightly connected, a casing of the air conditioner and the whole chassis are connected more stably, and the stability of the machine body is further enhanced.

The invention discloses a low-temperature valve testing device which comprises a first sealing supporting plate, a second sealing supporting plate, a first connecting plate, a second connecting plate, an outlet stopping block component and an inlet stopping block component. When the testing device is used, the first connecting plate and the second connecting plate are mounted on the periphery of the outlet end of a low-temperature valve and the periphery of the inlet end of the low-temperature valve in a sleeved mode and are stopped and supported by the outlet stopping block component and the inlet stopping block component, the first connecting plate and the first sealing supporting plate are fixed through a fastener, and the second connecting plate and the second sealing supporting plate are fixed through a fastener. The testing device solves the problem that according to an existing testing device, leakage easily happens, the torque is reduced by shortening the length of a stud, the sealing performance of the low-temperature valve and the sealing supporting plates is good, and normal operation of a low-temperature valve test is guaranteed.

The invention discloses a device and method for leading out an optical fiber grating sensor from a composite axle tube. The device includes a first outer sleeve, a second outer sleeve and an inner sleeve; one end of the inner sleeve is sleeved with the inner side end of the first outer sleeve; the inner sleeve is fixedly connected with the first outer sleeve; the other end of the inner sleeve is sleeved with the inner side end of the second outer sleeve; the inner side end of the first outer sleeve is in contact spliced connection with the inner side end of the second outer sleeve; a through hole is formed at the spliced joint of the first outer sleeve and the second outer sleeve; the through hole passes through the sleeve wall of one side of the inner sleeve; an open groove along the length direction of the sleeve wall of the inner sleeve is formed in the sleeve wall of the inner sleeve; and one end of the open groove is communicated with the through hole, and other end of the open groove extends to an end surface of one side of the inner sleeve, the second sleeve being located at the one side of the inner sleeve. With the device and method adopted, the problem that an optical fiber can be only led out from end surfaces of the axle tube can be solved; and optical gratings are distributed in an all-round multi-point manner between the laid layers of prepregs, and therefore, damage to the optical fiber and the composite axle tube in the separation process of the optical fiber and composite axle tube can be avoided, and the performance and preparation quality of the composite axle tube can be improved.

The invention discloses a three-side-turning advertising board prism transmission assembly. The three-side-turning advertising board prism transmission assembly comprises a support base, an upper transmission central spindle, a lower transmission central spindle, a transmission wheel, a transmission shaft sleeve and a spring, wherein a containing cavity is arranged in the center of the support base; the upper transmission central spindle is arranged on the upper portion of the containing cavity; the lower transmission central spindle is arranged on the lower portion of the containing cavity; the transmission wheel is arranged below the support base and connected with the lower transmission central spindle; the transmission shaft sleeve is vertically arranged along the containing cavity; the upper end of the transmission shaft sleeve is in transmission connection with the upper transmission central spindle; the lower end of the transmission shaft sleeve is connected with the lower transmission central spindle; and the upper transmission central spindle and the lower transmission central spindle are spaced, and the spring is arranged in the space formed by the upper transmission central spindle and the lower transmission central spindle. The transmission shaft sleeve and the spring are additionally arranged, the upper transmission central spindle is downwards pressed, the springis made to be compressed, the upper transmission central spindle moves downwards by a certain distance after the spring is compressed, and thus field assembly and maintenance and replacement when a three-prism advertising board is damaged later are facilitated.

The invention discloses a batch drilling well wellhead design and assembling-disassembling method for a modular drilling machine. The wellhead design comprises the following design of supporting facilities: wellhead deck design, split bell mouth design, bell mouth fixing mode design, bell mouth fixed suspension design, grouting pipeline fixed design of bell mouths, reflux pipes and metering pumps, bell mouth variable diameter design, bell mouth variable diameter hoisting special tool design, telescopic inner and outer drum horn tube design, sealing design of special pressure plate sealing or gas inflatable pneumatic tires, lifting pipe hoisting special design, and special lifting pipe suspending channel design which are easy enough to operate. The batch drilling well wellhead design and matched wellhead assembling-disassembling method for the modular drilling machine provided by the invention can solve the problem of time consumption caused by frequently moving of a derrick in batch drilling operation of the modular drilling machine, reduce hoisting risks and risks of high falling objects caused by dissembling and throwing wellhead parts and optimize assembling and disassembling method of wellheads, and further are simple and convenient in design and simple in operation mode.

The invention discloses an electrical conductivity module, which comprises a substrate, a first electrical conductivity circuit and a first superfine circuit. The line width of the first superfine circuit is less than that of the first electrical conductivity circuit. The first electrical conductivity circuit and the first superfine circuit are arranged on the same surface of the substrate and arranged with each other at intervals. The electrical conductivity module can shorten the development cycle of the superfine circuit. The invention further discloses a touch screen.

The invention discloses a motor, a sealing ring for the motor and an air conditioner provided with the motor. The motor comprises a shell body, a rotation shaft, at least one sealing ring and a waterproof cover, wherein a cavity is formed inside the shell body in a limited mode, open end ports are formed in the two ends of the shell body respectively, the rotation shaft penetrates through the end ports in the two ends of the shell body, the sealing ring is arranged on one end port of the shell body, seals the corresponding end of the shell body and is annular, a water-blocking plate extending inwards in the radial direction is arranged on the inner wall face of the sealing ring and is provided with a receding hole where the rotation shaft is not located, the waterproof cover is arranged on the rotation shaft in a sleeved mode and located inside the sealing ring, and the radial dimension of the waterproof cover is larger than the radial dimension of the receding hole. According to the motor, the waterproof cover can be installed between the inner wall face of the sealing ring and the outer wall face of the rotation shaft, so that the motor is more compact in overall structure, is convenient to assemble, meets various requirements of users, and has a good waterproof effect.

The invention discloses an ABS/ESC valve body machining method for an automobile braking system. The ABS/ESC valve body machining method is characterized by comprising the following steps that firstly, a valve body machined face and hole are selected as a machining rough positioning datum after oxidation, and the machining allowance is reserved; b, a rough positioning datum hole and a rough positioning datum face of a valve body and an energy accumulator hole in the valve body are machined; c, integral sulfuric acid hard oxidation is conducted on the valve body obtained after machining in thesecond step; and d, the rough positioning datum hole and the rough positioning datum face on the valve body serve as the datum, the rest of holes of the valve body obtained after oxidation in the third step are machined, and the rough positioning datum hole and the rough positioning datum face are machined to the size through datum conversion. According to the ABS/ESC valve body machining method,the anode oxidation surface area is small, only the surface of the energy accumulator hole of the valve body is provided with an oxidation film through machining finally, and the later procedure assembling and functions of the ABS/ESC valve body cannot be influenced.

The invention belongs to the technical field of textile equipment, and discloses an automatic coiling device for cloth for spinning. The automatic coiling device is characterized by comprising a cloth conveying mechanism arranged on a rack, a cutting mechanism is arranged above the cloth conveying mechanism, a coiling mechanism is arranged below the cloth conveying mechanism, the cloth conveying mechanism adopts a belt conveying structure and is used for turning the cloth by 180 degrees and conveying the cloth to the coiling mechanism through the cutting mechanism, the cutting mechanism is used for cutting the cloth meeting the coiling length requirement, and the coiling mechanism adopts a belt conveying structure, is used for coiling the cloth conveyed by the cloth conveying mechanism and adopts a connecting rod structure to automatically convey the coiled cloth to a transporting mechanism so as to complete coil unloading operation.

The invention discloses a turbine handpiece provided with a needle locker, which comprises a support, an ejector needle, a needle guard and a sleeve. Mutually adaptive through holes are formed in the radial direction in the tail end of the ejector needle and the sleeve; a fixing needle is inserted into the through holes for fixing the ejector needle and the sleeve, and comprises a fixing part and a limiting arc, the fixing part is a cylinder, the limiting arc is an arc connected with one end of the fixing part, and the arc is matched with the outer surface of the sleeve. According to the invention, the ejector needle and the sleeve are connected by utilizing the fixing needle, all that is needed for connection is to align the through hole in the ejector needle to the through hole in the sleeve, and then insert the fixing part of the fixing needle into the through holes, the installation is convenient and simple, and the fixation is relatively stable, so that conditions of misplacement and ejector needle deflection are avoided; the ejector needle comprises the limiting arc, the fixing part inserted into the through holes can sleeve the sleeve to prevent the fixing needle from falling off and causing a potential safety hazard; a needle groove matched with the limiting arc is arranged on the sleeve and can hide the limiting arc in the needle groove without influencing the assembly of other parts in the handpiece.

The invention discloses a vehicle-mounted air inlet valve. The vehicle-mounted air inlet valve comprises an upper valve body and a lower valve body. The upper valve body is fixedly connected with thelower valve body. A valve cavity is cooperatively formed in the upper valve body and the lower valve body, an air inlet communicating with the valve cavity is formed in the upper valve body, an exhaust port communicating with the valve cavity is formed in the lower valve body, a valve element and a valve element spring are arranged in the valve cavity, one end of the valve element spring abuts against the lower valve body, and the other end of the valve element spring abuts against the valve element. The valve element abuts against the upper valve body under the effect of the valve element spring in order to block the portion between the air inlet and the valve cavity, multiple shunting blocks are arranged at the position, located on an air outlet, of the lower valve body, one ends of themultiple shunting blocks are evenly distributed along the circumference of the inner wall of the lower valve body, the other ends of the multiple shunting blocks are connected with the position of thecircle center of the inner wall of the lower valve body, and the shunting blocks and the lower valve body are of an integrally-formed structure. The upper valve body and the lower valve body are arranged, the effect of lowering noise can be achieved, and the shunting blocks and the lower valve body are of the integrally-formed structure, so that it is guaranteed that the shunting blocks are not separated from the lower valve body.

The invention discloses a wiring double-terminal automatic assembling machine and an assembling process thereof, and belongs to the technical field of terminal assembling equipment; the wiring double-terminal automatic assembling machine comprises a rack, wherein the rack is provided with an insulator feeding mechanism, a vibrating disk, a material belt conveying mechanism, a material folding mechanism, a material belt conveying mechanism, a material folding mechanism and a clamping mechanism; the material belt conveying mechanism comprises a first fixed seat fixed on the rack, a lower mounting plate transversely arranged on the first fixed seat, a placement groove transversely formed in the lower mounting plate, a first support which is fixed on the rack and is positioned on the rear sideof the first fixed seat, a first rotary motor arranged on the first support, and a rotary gear in transmission connection with the output shaft of the first rotary motor. According to the automatic assembling machine, a U-shaped rotating gear which can be clamped with a material belt is arranged in the material belt conveying mechanism to drive the material belt to move forwards slowly in a placing groove inner seat, so that the probability of breakage of the material belt is lowered.