22results about How to "Less soldering steps" patented technology

The invention relates to the technical field of electronic component welding, and discloses an electronic component manufacturing welding fixing device which comprises a containing box and further comprises a fixing unit arranged on the containing box. The fixing unit comprises an overturning positioning part arranged on the containing box and a clamping part arranged on the overturning positioning part, and the overturning positioning part comprises a structural assembly arranged on the containing box, an overturning assembly arranged on the structural assembly and a clamping assembly arranged on the structural assembly. According to the electronic component manufacturing, welding and fixing device, by lifting the overturning plate upwards, the sliding rod slides in the bottom vertical groove, the V-shaped groove, the steering groove and the top vertical groove, under the action of the bottom vertical groove, the V-shaped groove, the steering groove and the top vertical groove, the overturning plate can be overturned by 180 degrees, welding is facilitated, meanwhile, adjustment is also facilitated, the welding steps of operators are reduced, and the welding efficiency is improved. And the welding efficiency is improved, so that the welding between the electronic component and the circuit board is more stable.

The utility model relates to the technical field of glasses manufacturing, in particular to a tobacco pipe structure and metal frame glasses. The tobacco pipe structure comprises two glasses tobacco pipes, each glasses tobacco pipe comprises a tobacco pipe rod and a tobacco pipe head, one ends of the two tobacco pipe rods are connected, the two tobacco pipe heads are arranged at the other ends, far away from each other, of the two tobacco pipe rods respectively, welding spots do not need to be arranged, welding steps are saved, the two glasses tobacco pipes can be manufactured at a time, half of manufacturing procedures are reduced, and production efficiency is improved. And the productivity of the glasses tobacco pipe is improved.

This application relates to the field of commercial vehicle body technology, and particularly to a front bulkhead structure for a commercial vehicle. The front bulkhead structure includes a front bulkhead beam, which comprises an upper crossbeam and a lower crossbeam, connected by a front bulkhead longitudinal beam. The upper crossbeam includes an upper crossbeam body and an upper crossbeam armrest mounting location, with the thickness of the armrest mounting location greater than the thickness of the upper crossbeam body. The lower crossbeam includes a mounting bracket, one end of which connects to the front bulkhead longitudinal beam, with the thickness of the mounting bracket greater than the thickness of the upper crossbeam body. This application provides a front bulkhead structure for commercial vehicles to address the problem in related technologies where adding reinforcing plates to strengthen the front bulkhead increases the number of parts and welding processes, making it difficult to achieve lightweight design.

This utility model discloses a welding device for stainless steel-lined plastic-coated composite steel pipes, including a welding table, a lifting frame, a lifting assembly, a moving cylinder, an argon arc welding assembly, an electric arc welding assembly, positioning cones, and a positioning assembly. The lifting frame is movably positioned above the welding table, and the lifting assembly is positioned between the lifting frame and the welding table. Two moving cylinders are connected in the same direction within the lifting frame via the moving assembly. The argon arc welding assembly is installed below one of the moving cylinders, and the electric arc welding assembly is positioned below the other moving cylinder. Multiple positioning cones are movably positioned above the welding table, and the positioning assembly is positioned between the multiple positioning cones. The lifting assembly includes a support frame, a first electric cylinder, and a lifting plate. The support frame is fixedly connected to one side of the welding table. This welding device for stainless steel-lined plastic-coated composite steel pipes reduces welding steps and improves welding efficiency.

The utility model discloses a glass battery with a welding-free end cover fixing structure, which comprises a glass shell, a battery cell, an end cover and a fixing piece, the glass shell is of a hollow structure and is provided with at least one opening, and a hanging lug is convexly arranged on the outer wall surface close to the opening; each opening of the glass shell is matched with one end cover, and the end covers are pressed and fixed on the openings of the glass shell through fixing pieces matched with the hanging lugs, so that a sealed cavity is formed; the battery cell is positioned in the sealed cavity; and an electrode matched with the battery cell is inserted into the end cover. Generally speaking, the welding-free end cover fixing structure simplifies the assembly process, reduces the welding steps, provides a beneficial structural basis for the production and application of the glass shell battery, and improves the production efficiency.

The invention discloses a preparation method of a polymer pole frame electrolytic cell for hydrogen production by alkaline electrolysis of water. Comprising the following steps: processing a pole frame, a sealing gasket, a pole plate sealing gasket and a concave-convex pole plate; a diaphragm, an electrode, a sealing gasket, a concave-convex polar plate, a polar plate sealing gasket and a polar frame are sequentially placed as a small chamber; after the required number of the small chambers is reached, the two end plates are mounted and locked through bolts after the electrifying rings are mounted; and the bolts are fastened for multiple times to complete the assembly of the electrolytic cell. According to the invention, aiming at the relation setting of the polar plate salient point, the thickness of the sealing gasket and the compression amount of the sealing gasket and the setting of the polar plate edge fixing clamping point, the distance between the polar plate salient point and the electrode in the polymer electrolytic bath is minimized, the transmission efficiency of electric energy in the electrolytic bath is improved, the energy consumption is reduced, and the hydrogen production effect is effectively improved.

The utility model discloses a novel heliostat stand column relates to tower type solar thermal power generation technical field, including the stand column body and the flange disc of setting at the top of stand column body, and the stand column body is the tubular structure of upper and lower port through and overall hollow, and the stand column body bottom part inserts the concrete, and the stand column body bottom part is located in the concrete and is provided with the opening section, and the opening section is uniformly distributed with a plurality of weight reduction holes for improving and the concrete bonding degree on the circumference array. The stand column body of the utility model adopts the circular thin -walled pipe structure design, reduces the stand column diameter and wall thickness, and the material and transportation cost are reduced significantly. The opening section is equipped with the circumferential distribution's strip or circular weight reduction hole, can improve the bonding degree of concrete and steel stand column, reaches the purpose that steel stand column and concrete integration works, effectively promotes the torsional and tensile capacity of stand column.

The invention discloses a valve core structure of an electronic expansion valve, and relates to the technical field of electronic expansion valves, the valve core structure comprises a valve sleeve and a screw rod, a valve needle sleeve is slidably sleeved in the valve sleeve, a top plate is fixedly connected to the top of the valve needle sleeve, the screw rod is arranged on the upper surface of the top plate, a buffer spring is placed in the valve needle sleeve, and the buffer spring is fixedly connected to the top of the valve needle sleeve. The bottom of the valve needle sleeve is fixedly sleeved with a sealing cover, a sleeving hole is formed in the middle of the sealing cover, the sealing cover is slidably sleeved with a valve needle through the sleeving hole, a reset mechanism is arranged on the outer side of the lead screw, and when the lead screw moves up and down, the reset mechanism drives the valve needle sleeve to move up and down along with the lead screw. On the premise of ensuring the functions, not only are the welding steps reduced, but also the number of parts is optimized, the cost is saved, and meanwhile the production efficiency is improved.

The utility model relates to the technical field of batteries, in particular to a battery and an electric device. The battery comprises a shell, a pole group, an end cover and a supporting frame, openings are formed in the two ends of the shell in the first direction, the supporting frame surrounds the periphery of the pole group and is arranged in the shell, pole lug holes are formed in the two ends of the supporting frame in the first direction, the end cover comprises a cover plate and a conductive part, and the end cover covers the openings of the shell; the conductive part is arranged on the inner side of the cover plate and abuts against the supporting frame, the conductive part is provided with the clamping groove, the electrode lugs are arranged at the two ends of the electrode group in the first direction, the electrode lugs penetrate through the corresponding electrode lug holes and are embedded in the clamping groove, the electrode group and the cover plate do not need to be welded, the welding step is omitted, a welding heat affected zone is avoided, and the production efficiency of the battery is improved; when the pole group enters the shell, the support frame can prevent the pole group from being in direct contact with the shell, so that the pole group is prevented from being damaged when entering the shell.

The invention discloses seam welding equipment applied to arc-shaped steel pipe pieces, and belongs to the technical field of arc-shaped steel pipe piece machining. The seam welding equipment applied to the arc-shaped steel pipe pieces comprises an operation table, arc-shaped supporting blocks are connected to the surfaces of the two sides of the upper end of the operation table, a rotating assembly is connected to the middle of the operation table, moving assemblies are connected to the two ends of the rotating assembly, and a first controller is connected to the surface of one end of each moving assembly; through coincidence of a trigger block and a first controller, a first driving motor can be started to rotate forwards, so that a welding device is driven to weld the junction of the two arc-shaped steel sheet pipes, then the first driving motor is made to rotate backwards, a circular supporting block is driven to rotate by half a circle, and then the arc-shaped steel sheet pipes are turned over; in this way, the rotating assembly, the moving assembly and the welding assembly can generate the multi-linkage effect, so that the steps needed for welding the arc-shaped steel sheet pipe are reduced, and the machining efficiency of the arc-shaped steel sheet pipe is improved.

The invention relates to the technical field of scanning electron microscopes, and discloses a scanning electron microscope assembly leak detection tool, which is characterized in that a vacuum chamber is arranged in a tool body, and a plurality of interfaces are arranged on the tool body; the plurality of interfaces are communicated with the vacuum chamber; the plurality of to-be-tested scanning electron microscope assemblies are respectively connected with the plurality of interfaces; the leak detector is communicated with the vacuum chamber; and when the leak detector is started, the gas injection structure injects test gas into the joint of the to-be-detected scanning electron microscope assembly and the interface, and a leak rate value displayed on the leak detector is smaller than a leak rate set value, the leak rate of the current to-be-detected scanning electron microscope assembly is judged to be qualified, and otherwise, the leak rate of the current to-be-detected scanning electron microscope assembly is judged to be unqualified. According to the technical scheme, the leak detection efficiency is remarkably improved; compared with an automatic leak detection tool, the leak detection tool has the advantages that the structure is simpler, the operation is easier, and the cost is lower.

The utility model discloses a battery assembly and an energy storage device, the battery assembly comprises a plurality of batteries, the plurality of batteries are opposite in the length direction, the first end of the former battery is opposite to the second end of the latter battery, the first end is provided with a first pole, the second end is provided with a second pole, and the first pole and the second pole are opposite to each other. And the first pole columns and the second pole columns of the adjacent batteries are directly or indirectly inserted and matched, so that the structural connection and the electric connection of the adjacent batteries are realized. Therefore, on one hand, structural connection is realized through insertion matching, the assembly difficulty of the battery assembly can be reduced, the assembly efficiency can be improved, the welding step can be omitted, the assembly efficiency is further improved, and the production cost is reduced; and on the other hand, the space occupation of the connecting piece between the adjacent batteries is small, the space utilization rate of the battery assembly can be improved, the energy density is improved, the length of a single battery is short, the energy efficiency can be ensured, and the energy efficiency and the space utilization rate are both considered.

The utility model relates to a circuit board test technical field discloses a kind of PCB board clamps for bias high acceleration stress test, the placing groove being set in through mounting plate is placed PCB board, under the gravity of PCB board, first spring is compressed to make mounting plate descend, part test needle is inserted into placing groove and realizes connection with the test network pad on PCB board, and bias voltage is introduced into PCB board by test line;PCB board is tightly placed in the groove bottom of placing groove by lid structure, guarantee the contact of PCB board and test needle, PCB board is exposed in high temperature and high humidity environment by first air hole, whereby bias high acceleration stress test can be carried out by the PCB board clamps for bias high acceleration stress test clamping PCB board, to save the step of test line and PCB board welding, avoid board surface pollution, thereby reduce the risk of adjacent network bridging caused by board surface pollution in testing process, ensure the reliability of test result.

The utility model provides a condenser frame. The condenser frame comprises a condensation support and a draught fan support integrally formed in a bent mode. The fan support comprises a fan mounting plate, a first fixing folded plate and a second fixing folded plate, wherein the first fixing folded plate and the second fixing folded plate are located on the two opposite sides of the fan mounting plate respectively. The first fixing folded plate and the second fixing folded plate are connected with the condensation support, and the cross section of the second fixing folded plate is in a C shape. Through the arrangement, the welding steps can be effectively reduced, the assembly efficiency is improved, and the manufacturing cost is reduced.

The utility model belongs to the technical field of welding fixing devices, and discloses a graphene heating film welding anti-falling fixing device which comprises a supporting piece, a supporting face for supporting a heating film to be welded is formed at the top of the supporting piece, two moving pieces are arranged on the supporting piece, and each moving piece comprises a moving part and a limiting part which move relatively. The limiting part is connected to the moving part, the moving part slides on the moving part in the length direction of the supporting part, the moving direction of the limiting part is perpendicular to the moving direction of the moving part, the limiting part comprises a base frame, and the side, facing the supporting part, of the base frame is rotationally connected with a pressing roller used for abutting against the welding heating film. The moving part has the tendency to move towards the base frame. The moving part is pulled to move relative to the supporting piece, then the base frame and the pressing roller move till the pressing roller makes contact with the heating film to flatten the heating film, the graphene heating film does not need to be manually arranged in advance when the heating film is fixed through the device, and the welding efficiency of the graphene heating film is improved.

The present invention discloses an assembled multi-story stereoscopic car park and an assembly method, comprising at least two assembly components, wherein two adjacent assembly components can be spliced ​​with each other, wherein the assembly components comprise columns and a plurality of parking layers, wherein the plurality of parking layers are assembled on the columns. Most structures of the present invention can be quickly assembled on the ground by bolts, and installation materials are saved, welding points and welding steps of the columns are reduced, the structure is safer, the construction time is greatly shortened, the time and personnel allocation for underground installation are reduced, and the safety of construction is improved.

The utility model discloses an outer rotor dustproof and waterproof fan stator, which comprises a stator iron core, a PA66 plastic-coated framework, a stator winding, a base, a copper pin and a circuit board, the stator iron core is coated with the PA66 plastic-coated framework, the PA66 plastic-coated framework is arranged in the base, the circuit board is arranged on the base, an enameled wire of the stator winding is wound on the PA66 plastic-coated framework, and the copper pin is arranged on the base. The three starting ends of the stator winding UVW are respectively provided with a plugging end, the PA66 plastic-coated framework and the circuit board are respectively provided with plugging holes corresponding to the plugging ends, the circuit board is respectively and correspondingly welded with spring clamping pieces, the spring clamping pieces are respectively provided with copper contact pins in a plugging manner, the copper contact pins penetrate through the spring clamping pieces and the plugging holes to be inserted into the plugging ends, and the copper contact pins are matched with the elastic clamping pieces, so that the stator winding UVW is inserted into the plugging ends. And the circuit board is communicated with three starting ends of the stator winding UVW to realize electric conduction. According to the utility model, the dustproof and waterproof grade is improved; and the welding step of mounting the copper contact pin and the circuit board is reduced, the assembly is more convenient, and the simple and firm connection between the stator winding and the circuit board is realized.

The utility model discloses a solution of a brush motor with a chip capacitor. The brush motor aims to solve the problem that the conventional brush motor adopts the scheme of adding a piezoresistor and an electrolytic capacitor to suppress sparks. The brush motor comprises a shell and a rotating shaft, the left side of the rotating shaft is located in the shell and fixedly connected with a commutator segment and a circuit board, three chip capacitors are arranged on the circuit board, and one end of each chip capacitor is electrically connected with the commutator segment through a wire. According to the utility model, the scheme of the chip capacitor is adopted to suppress sparks, because the chip capacitor is small in size, the overall size can be reduced, welding can be automatically completed by using equipment during installation, a circuit board does not need to be penetrated, the labor cost is almost not needed, the welding steps are reduced, materials are saved, and the manufacturing time of the circuit board is shortened; and the production efficiency is greatly improved.

The application provides an antenna grounding structure and an electronic wearable device. The antenna grounding structure comprises a middle frame, an antenna, a metal decoration and an elastic conductive piece. The antenna is embedded in the middle frame and partially exposed on the surface of the middle frame. The metal decoration is clamped with the middle frame. The elastic conductive piece is arranged between the antenna and the metal decoration. The antenna, the elastic conductive piece and the metal decoration are electrically connected by extruding the elastic conductive piece. The electronic wearable device comprises the above antenna grounding structure. The application discards the traditional steel sheet welding design, connects the antenna and the metal decoration by using the elastic conductive piece, realizes the electrical connection by extrusion, and ensures the grounding function of the antenna. The design simplifies the process, reduces the welding steps, thereby reduces the production cost and improves the production efficiency. Since the welding points are reduced, the defective rate is significantly reduced, and the overall quality and reliability of the product are improved. In terms of product maintenance and maintenance, the structure is more convenient, and the after-sales service cost is reduced.

The utility model discloses a whole structure of a vibration motor, which comprises an upper shell and a lower shell, an FPCB (flexible printed circuit board) and a coil are fixed on the lower shell, a mass block is arranged in the upper shell, a magnet is arranged on the mass block, two elastic sheets are arranged on the mass block in a central symmetry manner, and thickening plates are integrally arranged on the inner sides of the elastic sheets. The elastic sheet is welded on the periphery of the mass block through the thickening plate; a protruding plate is arranged on the upper side of the movable end of the elastic piece and abuts against the top of the inner side of the upper shell. According to the utility model, the elastic sheet is directly welded on the mass block through the integrally arranged thickened part, so that the step of welding the elastic sheet and the supporting sheet is omitted, the production process is simplified, and the problem of poor welding caused by a gap and position deviation between the elastic sheet and the supporting sheet in the welding process is avoided; the elastic piece is provided with the protruding plate which abuts against the upper shell, it is guaranteed that the gap between the inner surface of the upper shell and the upper surface of the mass block is enough, the problem of poor noise generated in the product vibration process is avoided, and the product performance yield is improved.

The utility model discloses a lockset transmission bar connecting structure convenient to assemble in a cashbox drawer, which comprises a drawer and a transmission bar, a lock cylinder is arranged at the front end of the drawer, a lock hook is arranged at the rear end of the drawer, a mounting groove is arranged at the front end of the bottom wall of the drawer, and a lock tongue in the lock cylinder is positioned in the mounting groove. A front blocking strip is integrally formed on the bottom wall of the drawer and arranged on the mounting groove in a blocking mode, a rear blocking strip and a tension spring hole plate are integrally formed at the rear end of the bottom wall of the drawer, a movable groove is reserved between the rear blocking strip and the bottom wall of the drawer, the tension spring hole plate extends out of the drawer backwards, and a connecting part is arranged at the front end of the transmission strip in a bent mode. The connecting part penetrates through the front barrier strip and then extends into the mounting groove to be connected with the spring bolt, the front barrier strip does not interfere with left-right movement of the transmission strip, the rear end of the transmission strip is movably arranged in the movable groove in a penetrating mode, and a tension spring is connected between the tension spring hole plate and the transmission strip. According to the utility model, the production cost and the assembly steps can be reduced, thereby improving the assembly efficiency.