31results about How to "Elimination of welding process" patented technology

A secondary battery is capable of fastening a positive electrode tab and a negative electrode tab to each other without performing welding. The secondary battery comprises an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate, a positive electrode tab and a negative electrode tab coupled to the positive electrode plate and the negative electrode plate, respectively, a housing accommodating the electrode assembly and having one side open, a plate sealing up the open part of the housing, a fastening unit formed so as to protrude from the plate in a non-penetrating structure, and a first tab terminal inserted into the fastening unit via the positive electrode tab so as to electrically couple the positive electrode tab and the plate to each other.

A machine for manufacturing an electrode tape includes a means for adhering an adhesive material to a sidewall of a conductive structure but not covering a first contact point and a second contact point of the conductive structure, and a means for curing the adhesive material into a film including a first adhesive surface on which the first contact point is exposed and a second adhesive surface on which the second contact point is exposed, wherein the first adhesive surface and the second adhesive surface face outwardly to each other.

The present invention relates to a gas burner in which a burner body and a side plate are assembled together without a welding process, to thereby simplify manufacturing procedures and reduce manufacturing costs. To accomplish this, the gas burner of the present invention includes a plurality of burner units (110), each of which has a burner body (111) with a main flame being formed at the top thereof, a side plate (112) which forms auxiliary flame holes (116) in the spaces between both side surfaces of the burner body (111) and the side plate (112), and a plurality of supports (113, 114) protruding from the side plate (112). Both ends of each of the burner units (110) are supported by first and second brackets (200a, 200b), respectively. The supports (113, 114) formed at the side plate (112) of the burner unit are brought into contact with and are supported by supports (123, 124) formed at a side plate (122) of an adjacent burner unit (120).

The embodiments of the invention provide a manufacturing method of a multilayer circuit board, a multilayer circuit board and electronic equipment. The manufacturing method of the multilayer circuit board comprises the following steps that: a first circuit board and a second circuit board are provided, wherein the first circuit board has a preset thickness; an accommodating cavity is formed in thechip mounting area of the first circuit board, so that a first circuit board with a connecting part can be formed, the depth of the accommodating cavity is smaller than the thickness of the first circuit board; and the connecting part of the first circuit board and the second circuit board are stacked so as to form the multilayer circuit board, the opening direction of the accommodating cavity faces the second circuit board, and the accommodating cavity is used for accommodating components which are installed on the second circuit board and face the first circuit board. With the manufacturingmethod of the multilayer circuit board, the multilayer circuit board and the electronic equipment of the invention adopted, a chip mounting process and a welding process can be simplified, the welding reject ratio of products is reduced, cost is reduced, and production efficiency is improved.

The invention relates to the technical field of chemical power supply materials and in particular relates to a welding-free storage battery and a production method thereof. A continuous type welding-free lead storage battery pole group comprises continuous type positive electrode plates, continuous type negative electrode plates, a single-body-spanning connection sheet, a continuous type bipolar pole plate and a separation plate, wherein the continuous type bipolar pole plate is composed of the continuous type positive electrode plates, the continuous type negative electrode plates and the separation plate, which are inserted and matched. According to the welding-free storage battery provided by the invention, an integrated continuous design is carried out on the lead storage battery polegroup and a welding procedure of a plurality of pieces of the positive electrode plates or negative electrode plates in a pole plate group during a storage battery production process is eliminated; aserial and parallel connection welding procedure of bridge-spanning welding, wall-penetrating welding and the like of a plurality of single bodies of the storage battery is also eliminated. Therefore,the use amount of lead of the storage battery is reduced and sheet falling and missing welding phenomena do not happen between the pole plate group of the storage battery and the single bodies; the product quality and reliability of the storage battery are effectively improved.

The invention relates to a dielectric resonator and an assembly method thereof. The dielectric resonator includes a metal cavity, dielectric resonant posts located in the metal cavity and a metal cover plate mounted to an open end of the metal cavity. Mounting grooves are arranged in the top surface of the metal cover plate and corresponding to the dielectric resonant posts. A pressing piece is formed between the bottom of each mounting groove and the bottom surface of the metal cover plate. The pressing pieces and upper end faces of the dielectric resonant posts are in contact and first elastic deformations acting on the upper end faces of the dielectric resonant posts are generated therebetween. The mounting grooves are equipped with clamp nut posts. Second elastic deformations acting on the upper end faces of the dielectric resonant posts are generated between the clamp nut posts and the pressing pieces. The dielectric resonant posts are pressed and fixed into the metal cavity through the combined action of the first and second elastic deformations. According to the invention, good contact of the dielectric resonant posts with the metal cavity and the metal cover plate can be ensured without fixing the upper and lower end faces of the dielectric resonant posts by welding, the fixation is reliable, the assembly is simple and batch production is facilitated.

The invention provides a soft package lithium battery with a welding-free structure and belongs to the field of batteries. The soft package lithium battery comprises a plurality of cores which are sequentially connected through current collecting strips. The cores comprise lugs. A containing space is formed between every two adjacent cores. Each current collecting strip comprises a plurality of current collecting elements arranged at intervals, wherein the distribution direction of the current collecting elements is the length direction of the current collecting strip, and the extending direction of each current collecting element is perpendicular to the length direction of the current collecting strip. The current collecting elements are clamped into the containing spaces and connected with the lugs. The soft package lithium battery is compact in structure, the welding procedure in the bunching process is omitted, bunching efficiency is improved, and bunching cost is reduced. Besides, the yield can be increased, and the defective rate is reduced. In the later maintenance process, detachment can be completed in simple steps, subsequent maintenance is extremely convenient, and use and maintenance cost is reduced.

The invention provides an automobile steering lower transmission shaft assembly without welding structures. The automobile steering lower transmission shaft assembly comprises a telescopic transmission device, an upper universal joint and a lower universal joint, wherein the upper universal joint and the lower universal joint are arranged at two ends of the telescopic transmission device; the upper universal joint comprises two sleeve-loading universal joint forks and an upper universal joint cross shaft arranged between the two sleeve-loading universal joint forks; an upper locking nut is in interference fit with a locking sleeve; the locking sleeve is axially fixed on a connection sleeve; the connection sleeve is fixed on the sleeve-loading universal joint forks; the lower universal joint comprises a sleeve-unloading universal joint fork, a lower universal joint fork and a lower universal joint cross shaft arranged between the sleeve-unloading universal joint fork and the lower universal joint fork; a lower locking nut is in interference fit with the lower universal joint fork; the telescopic transmission device comprises a lower spline shaft; the lower spline shaft is fixed on the sleeve-loading universal joint forks, and is in sliding connection with a lower spline sleeve; a dustproof cover is fastened on the lower spline sleeve, and is fixed on the sleeve-unloading universal joint fork. The automobile steering lower transmission shaft assembly without the welding structures has the advantages that the welding process is eliminated, the problem of welding deformation of workpieces is solved, the overall structure is firm, the process is simple, the product quality is improved, and the production cost is reduced.

The invention discloses an LED lamp bead with a built-in drive IC. The LED lamp bead comprises a PCB, a colloid, an IC wafer, pins, an LED wafer and insulation paste. The PCB is connected with the colloid, the LED wafer is arranged on the PCB, and the LED wafer is connected with the PCB through the insulation paste; the LED wafer is arranged on the front surface of the PCB and comprises a red LED wafer, a green LED wafer and a blue LED wafer, and the red LED wafer, the green LED wafer and the blue LED wafer are linearly arranged; the IC wafer is arranged on the back face of the PCB, the pins are connected with the PCB, and the pins comprise outwards-turned pins. According to the invention, the LED lamp bead with the built-in drive IC is low in power consumption, prevents heat focusing, improves the product quality, reduces the process difficulty and improves the brightness of the LED lamp bead.