10results about How to "Optimize connection structure" patented technology

The high-precision piston rod connecting structure comprises a piston rod, the upper end of the piston rod is connected with a piston body, the lower end of the piston rod is connected with a crosshead, the upper end of the crosshead is connected with a positioning flange with a center hole, and the lower end of the piston rod is a reducing end transited through a conical surface section. The reducing end penetrates through the center hole of the positioning flange and is stretched and locked by a first fastening structure; the upper section of the center hole of the positioning flange is a taper hole matched with the conical surface section of the piston rod; the upper end of the piston rod penetrates into a center hole of the piston body, is stretched and locked by a second fastening structure and is provided with an anti-rotation structure. Automatic centering is achieved through conical surface matching, stable pre-tightening force is provided in cooperation with a double-fastening structure, the problems that a traditional connecting structure is insufficient in precision and poor in locking reliability are effectively solved, the operation precision and stability of a compressor are greatly improved, and meanwhile the compressor connecting structure has the advantages of being convenient to install and maintain and long in service life.

This utility model discloses a connection structure between the bottom tube and the middle tube of an electric vehicle frame, as well as the electric vehicle frame itself. The connection structure includes a middle tube and a bottom tube. The middle tube is a round tube with a first groove on its bottom side. The first groove includes a first upper end face and a first side end face. The bottom tube is a square tube. The height and width of the first groove match the height and width of the bottom tube, respectively. The rear end of the bottom tube has an arc-shaped structure that matches the wall shape of the middle tube. The upper end face of the bottom tube abuts against the first upper end face and is connected by a first weld. The side end face of the bottom tube abuts against the first side end face and is connected by a second weld. The rear end face of the bottom tube abuts against the middle tube and is connected by a third weld. The connection structure between the middle tube and the bottom tube of the frame is optimized, eliminating the original reinforcing plate design. The bottom tube and the middle tube adopt an insert connection, reducing the number of parts, lightening the overall vehicle weight, shortening the weld, optimizing material preparation and welding processes, and maintaining the overall strength of the vehicle.

This utility model provides an indoor unit for an air conditioner, including a housing, a first sliding plate, a second sliding plate, and two first driving devices. The first sliding plate has a first insert for downward insertion. The second sliding plate has a second insert for downward insertion. The output portion of each first driving device has a first through hole, which has a first side and a second side arranged opposite to each other. The first side of the first through hole of one first driving device faces upward, and the second side of the first through hole of the other first driving device faces upward. The first insert is inserted into the first through hole from the first side of the first through hole of one first driving device. The second insert is inserted into the first through hole from the second side of the first through hole of the other first driving device. The first driving device can be installed with either the first sliding plate or, conversely, with the second sliding plate, solving the problem in the prior art where the upward-curved edge of the sheet metal prevents the driving devices from being interchangeable.

This utility model relates to the field of automotive generator technology and discloses an automotive generator end cover, which solves the problems of existing end covers having difficulty in balancing heat dissipation and dust prevention, and having a simple structure. It includes an automotive generator end cover with a motor shaft passage at the top center. The surface is provided with an auxiliary mechanism and a heat dissipation mechanism. The heat dissipation mechanism includes an outer frame, an inner end cover, and an outer end heat dissipation cover. Correspondingly, a first row of heat vents in a ring array, a second row of heat vents in a radial pattern, and a third row of heat vents in a matrix pattern are opened to form a multi-path heat dissipation channel and improve heat dissipation efficiency. The third row of heat vents has a dust filter inside, which takes into account both heat dissipation and dust prevention. The inner end cover and the outer end heat dissipation cover are easy to install and stable, and easy to maintain. The auxiliary mechanism includes an end cover mounting base and an external buffer protective sleeve. The former facilitates the installation of the end cover and the generator body, while the latter provides buffer protection without affecting heat dissipation and motor shaft operation. This utility model has a practical structure and is suitable for promotion.

This invention discloses a manual wet clay sand pneumatic mold, relating to the field of casting technology. It includes a base, a pair of side plates, a top plate, a sand-bearing plate, a cylinder, a support plate, a mold core, and a sprue core. The pair of side plates are vertically and parallelly arranged on the left and right sides of the base. The top plate is horizontally positioned on top of the pair of side plates. The sand-bearing plate is fixedly positioned on the upper surface of the top plate. The cylinder is fixedly positioned at the center of the upper surface of the base. The support plate is horizontally positioned and fixedly connected to the output end of the cylinder. This invention features a reasonable structural design and reliable component connections, effectively optimizing the operation process, reducing labor intensity, and improving the quality and consistency of sand mold forming.

The utility model discloses a kind of water-stopping shunt devices for preventing and treating water drilling construction, including spout, water-stopping shunt mechanism and at least one branch pipe;Water-stopping shunt mechanism is connected on spout, water-stopping shunt mechanism includes connecting main pipe, connecting main pipe is connected with spout by flange, connecting main pipe is connected with multiple shunt pipes on, shunt pipe is installed with water-stopping mechanism in;Branch pipe is connected on shunt pipe, shunt pipe is connected with connecting main pipe inside, connecting main pipe is equipped with connecting end, branch pipe is screw-threaded connected on connecting end, branch pipe is connected on connecting end by screw-threaded connection mode, the quick disassembly of branch pipe is convenient, water-stopping mechanism includes baffle, baffle is fixedly connected on shunt pipe inner wall, baffle is used to cut off shunt pipe.The utility model can optimize the connecting structure of water-stopping shunt, convenient for staff to disassemble, simultaneously, shunt mouth can be increased, to meet the demand of multiple shunt when preventing and treating water drilling construction.

This utility model relates to the field of compressor parts, specifically to a high-strength compressor guide rod, comprising a rod body with an H-shaped cross-section, and a first ball joint and a second ball joint connected to its two ends, respectively; the height of the rod body gradually increases towards the first ball joint and gradually decreases towards the second ball joint. Compared with existing technologies, this solution uses an H-shaped cross-section, which, compared with the traditional circular cross-section, consists of two flanges and a web, offering significant advantages in resisting bending deformation and shear force, enabling more efficient load transfer, and improving the overall strength and stiffness of the link.

An omni-directional water flow metamaterial energy gathering device comprises a power generation system and an energy gathering array structure, the power generation system comprises a hydro-generator, the hydro-generator is fixed to the top of a supporting column, and the supporting column is fixed to an underwater base; the energy gathering array structure comprises a support and a plurality of groups of energy gathering structures, the support is fixedly connected with the supporting column, and the plurality of groups of energy gathering structures are fixed on the support; wherein each energy gathering structure comprises a plurality of energy gathering units, and each energy gathering structure is vertically arranged in the normal direction of the supporting column; the energy gathering unit is of a cylinder structure, the section of the energy gathering unit is in an NACA0012 wing shape, and the tip end of the energy gathering unit points to the supporting column. By means of the energy gathering array structure, efficient gathering and optimized utilization of water flow energy are achieved, the requirement for the starting water flow speed of the hydro-generator is lowered, the energy conversion efficiency of the hydro-generator under different water flow conditions is improved, and therefore the overall performance and stability of a power generation system are enhanced.

The application discloses a rotating mechanism of a sleeve ring, which comprises a detection station of the sleeve ring and three bases, the three bases are circularly distributed outside the detection station, the structure further comprises a sliding block capable of freely sliding on the base and three driving boxes fixed on the base, each of the driving boxes is provided with a sliding driving part for driving the sliding block to slide on the base, each of the sliding driving parts is provided with a fixed plate connected with the sliding block, one of the fixed plates is provided with an elastic movable movable plate, the other two fixed plates are both fixed with a supporting block, the movable plate and the two supporting blocks are both provided with an L-shaped clamping rotating part, the long side of the clamping rotating part is provided with a rotatable roller, the short side of the clamping rotating part is provided with a rotatable shaft sleeve, and the supporting block and the driving box are both provided with a rotating driving part for driving the roller to rotate, the sleeve ring can be kept in the same central position during rotation, and the stability of the sleeve ring detection is ensured.

The utility model discloses a kind of anti-static structures for automobile switch, including the automobile gear combination switch being constituted by base and handle, the upper shell and lower shell of the handle are connected by the connecting structure of preventing static electricity from entering shell, the connecting structure includes being provided in lower shell edge inside, and long slot is provided in the length direction along edge, and long protrusion that is adapted with long slot is provided in the upper shell edge inside, long protrusion is buckled in long slot, so that the upper shell and lower shell are buckled together. The utility model is simple in structure, low in cost, and the buckling gap between the upper shell and lower shell can be shielded by long protrusion, when handle outside is static, it can avoid static electricity from entering shell from gap, interfere with the normal work of its internal electronic components, improve the service performance and service life of switch.