64results about How to "Optimal Assembly Method" patented technology

A method of installing a seat belt system (100) into a passenger compartment of a vehicle, the system of the type including a seat belt retractor (501), a height adjuster (102) and a web guide (104), the method including the steps of: a) providing a height adjusting mechanism having a bar or track and a carrier; b) securing the web guide to the carrier so the height adjuster and web guide form a subassembly; c) locating and securing the retractor to a desired location within the vehicle and; d) lifting the subassembly and manipulating the height adjuster to a desired location in the vehicle and securing the height adjuster to the desired location, wherein the step of lifting the subassembly simultaneously locates the web guide to its desired location.

An improved mouse structure has a cover and a base pivotally connected to the cover. The cover is an elliptically curved shell with two ends, and has a pivoting portion extending downwardly from one of the ends thereof as well as a hook formed on another end thereof. The base comprises a receiving portion formed on an end thereof for receiving the pivoting portion, an engaging seat formed on another end thereof, and an engaging hole formed in the engaging seat for engaging with the hook.

The invention relates to a support for a front module of a motor vehicle comprising a first support part for connection to a chassis of the motor vehicle and left and right brackets, wherein the left and right brackets are configured to receive a headlight unit and for connection to a bumper of the motor vehicle, respectively, wherein the left and right brackets with the left and right elastic elements are connected to the first support part, and comprising structure for fixing the elastic elements relative to the chassis when the elastic elements have assumed an assembly position following elastic deformation.

The invention discloses a method for assembling a screw rod and rolling bearing assembly. The method comprises the steps of mounting a screw rod flange, mounting a rolling bearing, mounting a screw rod fixing sleeve, fixing a screw rod flange and the screw rod fixing sleeve and finally obtaining the assembled screw rod and rolling bearing assembly. The method is simple, convenient and easy to achieve, and the assembled screw rod and rolling bearing assembly is tight, firm and clean. The parallelism between the screw rod and a working table linear guide rail in the horizontal and vertical directions, the coaxiality between a bearing seat and a ball nut and the rotating precision of a ball screw are guaranteed, namely, radial runout precision and axial float precision are guaranteed, continuous lubrication can be achieved, leakage of lubricating oil inside is avoided, external dust is prevented from entering the assembly, and long-term stable work of parts is facilitated.

The invention discloses fully-automatic assembly equipment and method for a mechanical digital counter of a meter. Effective optimization for an assembly method is carried out on the basis of the existing manual assembly procedures and steps, so that the assembly method is adaptive to fully-automatic assembly and production for a machine. The fully-automatic assembly equipment for the mechanical digital counter of the meter is formed through development of an automatic loading device for a digit wheel, an automatic loading device for a magnetic steel wheel, a loading device for a first-place character wheel, a shaft penetrating device for the digit wheel, a transferring device for the digit wheel, a shaft penetrating loading device for a switch wheel group, a shifting device for the digitwheel, and the like. The equipment provided by the invention is high in automation degree, greatly increases the assembly efficiency for the counter of the meter, ensures the consistency of product quality, lowers the production cost, and remarkably increases economic benefits. The equipment is provided with an Ethernet interface capable of being networked with an information-based system of a workshop to accept the control of an MES and other systems, so that a solid foundation is laid for establishment for a digitized manufacturing workshop for the mechanical digital counter of the meter.

The invention relates to a using method of a scraper stop valve. The using method comprises the following steps: from an open state to a closed state, lifting a positioning pin till the two ends of the positioning pin are clamped into a concave seam allowance respectively, clockwise rotating a small hand wheel to drive an internal valve rod and a scraper assembly to rotate, outwardly moving a cutter head, and moving an upper scraper to a valve clack sealing surface; anticlockwise and outwardly rotating a big hand wheel to drive a valve clack, the scraper assembly, a plug head and other components to move downward till a lower scraper contacts a valve seat sealing surface, continuing rotating the small hand wheel for a round clockwise, then anticlockwise rotating the small hand wheel till the head of an inclined rod contacts a baffle block, continuing rotating the small hand wheel anticlockwise to drive the cutter head to move inward, moving the upper scraper and the lower scraper away from the valve clack sealing surface and the valve seat sealing surface respectively, and stopping rotating the small hand wheel; moving the positioning pin away from the concave seam allowance, moving downwardly, and clamping the two ends of the positioning pin into a clamping slot; continuing rotating the big hand wheel anticlockwise till the valve clack sealing surface presses against the valve seat sealing surface, and closing the valve. The using method of the scraper stop valve is simple; by the using method, wear of sealing surfaces is low and the service life of the scraper stop valve is prolonged.

The invention relates to a support for a front module of a motor vehicle comprising a first support part for connection to a chassis of the motor vehicle and left and right brackets, wherein the left and right brackets are configured to receive a headlight unit and for connection to a bumper of the motor vehicle, respectively, wherein the left and right brackets with the left and right elastic elements are connected to the first support part, and comprising means for fixing the elastic elements relative to the chassis when the elastic elements have assumed an assembly position following elastic deformation.

The invention discloses a construction method of a low-rise fully-fabricated concrete shear wall structure system. The low-rise fully-fabricated concrete shear wall structure system comprises precastindependent foundations, precast ground beams mounted on the precast independent foundations, precast bottom plates mounted on the precast ground beams, precast shear walls vertically mounted on the precast bottom plates, precast beams and precast floor slabs laid on the precast shear walls and the precast beams. The construction method comprises the steps that firstly, the precast independent foundations are hoisted; secondly, the precast ground beams are hoisted; thirdly, the precast bottom plates are hoisted; fourthly, the precast shear walls are hoisted; fifthly, the precast beams are hoisted; sixthly, the precast floor slabs are hoisted; and seventhly, concrete is cast in situ to connect the precast beams, the precast shear walls and the precast floor slabs. According to the construction method of the low-rise fully-fabricated concrete shear wall structure system, the problems that an existing fabricated concrete structure is low in fabrication rate and large in site wet operationamount are solved, site construction mainly refers to site fabrication between precast structural members, connection is safe and reliable, and the construction efficiency can be greatly improved.

The invention discloses a vehicle tail light fixing structure. The vehicle tail light fixing structure comprises a fixed tail light, a movable tail light, a vehicle body side outer plate and a back door outer plate; the fixed tail light is installed on the vehicle body side outer plate, and the movable tail light is installed on the back door outer plate. In this way, the position of the fixed tail light relative to the vehicle body side outer plate and the position of the movable tail light relative to the back door outer plate are conveniently adjusted, and then the clearance plane difference between the fixed tail light and the vehicle body side outer plate and the clearance plane difference between the movable tail light and the back door outer plate are easily controlled; the fixed tail light is directly installed on the vehicle body side outer plate, the movable tail light is directly installed on the back door outer plate, the use of an inner plate is reduced, materials for thevehicle body are reduced, and lightweight design is facilitated; besides, the technological dimension chain is reduced technologically, the assembly error is reduced accordingly, and the clearance plane differences of the tail lights and the vehicle body are reduced. The invention further discloses a vehicle tail light assembly method.

The invention discloses a method for quickly assembling rolled heels in the production of shoes. The large palm surface of the heel is sanded and raised; the bonding surface is sanded and raised; After the heel line is within 2~3mm from the edge of the inner bottom, the side and the inner bottom are sanded and raised; the adhesive surface is brushed with glue; one 19mm nail is nailed on each side of the rear end of the inner bottom and on both sides of the heel For round nails, after driving 5mm into the inner bottom, use the pair of pliers to pinch off the nail cap obliquely; align the large palm of the heel with the bonding position, place it flat on the tip of the nail rod, and tap the small palm of the heel with a hammer to make The nails are glued to the correct position; the heel nails are nailed in the shoe cavity, and the holes are pierced with a straight cone from the shoe cavity to determine the nail position and the angle of the nails; the heel nails are nailed. This method improves the assembly method of the rolled heel, simplifies the assembly process, the rolled heel is assembled in place, and the rolled heel is installed smoothly. Make people difficult to grasp the problem of balance when wearing.

The invention relates to an anti-impact lift check valve. The anti-impact lift check valve is characterized in that an isolation block is arranged inside a guide sleeve, and a guide inner cavity is divided into a piston cavity and a pressure regulating cavity through the isolation block; the piston cavity is located above the isolation block, and the pressure regulating cavity is located below the isolation block; an air inlet hole is formed in the upper portion of the guide sleeve; one end of the air inlet hole communicates with the piston cavity, and the other end of the air inlet hole communicates with an outlet flow channel; a valve clack is composed of a valve clack head and a valve clack handle; the lower end face of the valve clack head is provided with a valve clack sealing surface capable of being sealed with a valve seat sealing surface; the upper end of the valve clack head stretches into the pressure regulating cavity, and the valve clack handle is installed at the upper end of the valve clack head; the upper end of the valve clack handle penetrates through a center hole of the isolation block to stretch into the piston cavity; a regulating hole perpendicular to the valve clack sealing surface is formed between the upper end face and the lower end face of the valve clack head, and the regulating hole communicates with an inlet flow channel and the pressure regulating cavity; an inverted counterbore hole is formed in the portion of the isolation block, and a floating plug is arranged at the inverted counterbore hole; and an air outlet hole is formed in a valve deck. The anti-impact lift check valve has the advantages that the valve clack sealing surface and the valve seat sealing surface cannot be damaged easily, the service life is long and noise is small.

The invention discloses an external limiting module split mounting type track structure which comprises a base plate, the base plate forms top face millimeter-level precision through cast-in-place or is prefabricated and formed in a factory, an adjusting layer is cast in place on a foundation or is replaced by novel materials such as asphalt, and the base plate is pressed downwards by a track plate during cast-in-place so as to form the top face millimeter-level precision; a middle layer is laid on the base plate, track units are sequentially laid on the middle layer, and each track unit comprises a prefabricated track plate module; a concave-convex embedded structure is further arranged between every two adjacent sets of track plate modules. The further comprises two sets of limiting strips, the two sets of limiting strips are arranged on the two sides of the track plate module respectively, and the limiting strips are connected to the supporting foundation and abut against the track plate module for limiting. In the structure, multiple modules are combined, the applicability is high, the prefabricated modules are miniaturized and light, production, transportation and installation are convenient, the structure is simple, the assembly method is simple and convenient, the assembly efficiency is high, and replacement is easy.